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1. general description the 74ahc2g126; ahct2g126 is a high-speed si-gate cmos device. the 74ahc2g126; ahct2g126 provides a dual non-inverting buffer/line driver with 3-state output. the 3-state output is controlled by the output enable input (oe). a low at pin noe causes the output to assume a high-impedance off-state. 2. features n symmetrical output impedance n high noise immunity n esd protection: u hbm eia/jesd22-a114-b exceeds 2000 v u mm eia/jesd22-a115-a exceeds 200 v u cdm eia/jesd22-c101 exceeds 1000 v. n low power dissipation n balanced propagation delays n multiple package options n speci?ed from - 40 c to +85 c and from - 40 c to +125 c. 3. quick reference data 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state rev. 02 21 september 2004 product data sheet table 1: quick reference data gnd = 0 v; t amb = 25 c; t r = t f 3.0 ns. symbol parameter conditions min typ max unit type 74ahc2g126 t phl , t plh propagation delay na to ny c l = 15 pf; v cc = 5 v - 3.4 5.5 ns c i input capacitance - 1.5 10 pf c pd power dissipation capacitance c l = 50 pf; f i = 1 mhz [1] [2] -10-pf
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 2 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state [1] c pd is used to determine the dynamic power dissipation (p d in m w). p d = c pd v cc 2 f i n + s (c l v cc 2 f o ) where: f i = input frequency in mhz; f o = output frequency in mhz; c l = output load capacitance in pf; v cc = supply voltage in volts; n = total load switching outputs; s (c l v cc 2 f o ) = sum of the outputs. [2] the condition is v i = gnd to v cc . 4. ordering information type 74AHCT2G126 t phl , t plh propagation delay na to ny c l = 15 pf; v cc = 5 v - 3.4 5.5 ns c i input capacitance - 1.5 10 pf c pd power dissipation capacitance c l = 50 pf; f i = 1 mhz [1] [2] -10-pf table 1: quick reference data continued gnd = 0 v; t amb = 25 c; t r = t f 3.0 ns. symbol parameter conditions min typ max unit table 2: ordering information type number package temperature range name description version 74ahc2g126dp - 40 c to +125 c tssop8 plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm sot505-2 74AHCT2G126dp - 40 c to +125 c tssop8 plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm sot505-2 74ahc2g126dc - 40 c to +125 c vssop8 plastic very thin shrink small outline package; 8 leads; body width 2.3 mm sot765-1 74AHCT2G126dc - 40 c to +125 c vssop8 plastic very thin shrink small outline package; 8 leads; body width 2.3 mm sot765-1 74ahc2g126gm - 40 c to +125 c xson8 plastic extremely thin small outline package; no leads; 8 terminals; body 0.95 1.95 0.5 mm sot833-1 74AHCT2G126gm - 40 c to +125 c xson8 plastic extremely thin small outline package; no leads; 8 terminals; body 0.95 1.95 0.5 mm sot833-1
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 3 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 5. marking 6. functional diagram table 3: marking type number marking code 74ahc2g126dp a26 74AHCT2G126dp c26 74ahc2g126dc a26 74AHCT2G126dc c26 74ahc2g126gm a26 74AHCT2G126gm c26 fig 1. logic symbol. fig 2. iec logic symbol. fig 3. logic diagram. mna946 2a 1a 2oe 1oe 2 1 7 5 1y 2y 6 3 mna947 1 en1 1 6 2 7 3 5 mna127 oe a y
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 4 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 7. pinning information 7.1 pinning 7.2 pin description fig 4. pin con?guration tssop8 and vssop8. fig 5. pin con?guration xson8. 126 1oe v cc 1a 2oe 2y 1y gnd 2a 001aab648 1 2 3 4 6 5 8 7 126 1y 2oe v cc 2a 2y 1a 1oe gnd 001aab647 36 27 18 45 transparent top view table 4: pin description symbol pin description 1oe 1 output enable input (active high) 1a 2 data input 2y 3 data output gnd 4 ground (0 v) 2a 5 data input 1y 6 data output 2oe 7 output enable input (active high) v cc 8 supply voltage
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 5 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 8. functional description 8.1 function table [1] h = high voltage level; l = low voltage level; x = dont care; z = high-impedance off-state. 9. limiting values [1] the input and output voltage ratings may be exceeded if the input and output current ratings are observed. 10. recommended operating conditions table 5: function table [1] input output noe na ny hl l hhh lxz table 6: limiting values in accordance with the absolute maximum rating system (iec 60134). voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min max unit v cc supply voltage - 0.5 +7.0 v v i input voltage - 0.5 +7.0 v i ik input diode current v i < - 0.5 v - - 20 ma i ok output diode current v o < - 0.5 v or v o >v cc + 0.5 v [1] - 20 ma i o output source or sink current v o > - 0.5 v or v o < v cc + 0.5 v - 25 ma i cc , i gnd v cc or gnd current - 75 ma t stg storage temperature - 65 +150 c p tot power dissipation t amb = - 40 c to +125 c - 250 mw table 7: recommended operating conditions symbol parameter conditions min typ max unit type 74ahc2g126 v cc supply voltage 2.0 5.0 5.5 v v i input voltage 0 - 5.5 v v o output voltage 0 - v cc v t amb operating ambient temperature see section 11 and section 12 per device - 40 +25 +125 c t r , t f input rise and fall times v cc = 3.3 v 0.3 v - - 100 ns/v v cc = 5.0 v 0.5 v - - 20 ns/v
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 6 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 11. static characteristics type 74AHCT2G126 v cc supply voltage 4.5 5.0 5.5 v v i input voltage 0 - 5.5 v v o output voltage 0 - v cc v t amb operating ambient temperature see section 11 and section 12 per device - 40 +25 +125 c t r , t f input rise and fall times v cc = 5.0 v 0.5 v - - 20 ns/v table 7: recommended operating conditions continued symbol parameter conditions min typ max unit table 8: static characteristics type 74ahc2g126 at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit t amb = 25 c v ih high-level input voltage v cc = 2.0 v 1.5 - - v v cc = 3.0 v 2.1 - - v v cc = 5.5 v 3.85 - - v v il low-level input voltage v cc = 2.0 v - - 0.5 v v cc = 3.0 v - - 0.9 v v cc = 5.5 v - - 1.65 v v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 2.0 v 1.9 2.0 - v i o = - 50 m a; v cc = 3.0 v 2.9 3.0 - v i o = - 50 m a; v cc = 4.5 v 4.4 4.5 - v i o = - 4.0 ma; v cc = 3.0 v 2.58 - - v i o = - 8.0 ma; v cc = 4.5 v 3.94 - - v v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 2.0 v - 0 0.1 v i o = 50 m a; v cc = 3.0 v - 0 0.1 v i o = 50 m a; v cc = 4.5 v - 0 0.1 v i o = 4.0 ma; v cc = 3.0 v - - 0.36 v i o = 8.0 ma; v cc = 4.5 v - - 0.36 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 0.25 m a i li input leakage current v i = v cc or gnd; v cc = 5.5 v - - 0.1 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5 v - - 1.0 m a c i input capacitance - 1.5 10 pf
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 7 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state t amb = - 40 c to +85 c v ih high-level input voltage v cc = 2.0 v 1.5 - - v v cc = 3.0 v 2.1 - - v v cc = 5.5 v 3.85 - - v v il low-level input voltage v cc = 2.0 v - - 0.5 v v cc = 3.0 v - - 0.9 v v cc = 5.5 v - - 1.65 v v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 2.0 v 1.9 - - v i o = - 50 m a; v cc = 3.0 v 2.9 - - v i o = - 50 m a; v cc = 4.5 v 4.4 - - v i o = - 4.0 ma; v cc = 3.0 v 2.48 - - v i o = - 8.0 ma; v cc = 4.5 v 3.8 - - v v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 2.0 v - - 0.1 v i o = 50 m a; v cc = 3.0 v - - 0.1 v i o = 50 m a; v cc = 4.5 v - - 0.1 v i o = 4.0 ma; v cc = 3.0 v - - 0.44 v i o = 8.0 ma; v cc = 4.5 v - - 0.44 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 2.5 m a i li input leakage current v i = v cc or gnd; v cc = 5.5 v - - 1.0 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5 v --10 m a c i input capacitance - - 10 pf t amb = - 40 c to +125 c v ih high-level input voltage v cc = 2.0 v 1.5 - - v v cc = 3.0 v 2.1 - - v v cc = 5.5 v 3.85 - - v v il low-level input voltage v cc = 2.0 v - - 0.5 v v cc = 3.0 v - - 0.9 v v cc = 5.5 v - - 1.65 v v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 2.0 v 1.9 - - v i o = - 50 m a; v cc = 3.0 v 2.9 - - v i o = - 50 m a; v cc = 4.5 v 4.4 - - v i o = - 4.0 ma; v cc = 3.0 v 2.40 - - v i o = - 8.0 ma; v cc = 4.5 v 3.70 - - v table 8: static characteristics type 74ahc2g126 continued at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 8 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 2.0 v - - 0.1 v i o = 50 m a; v cc = 3.0 v - - 0.1 v i o = 50 m a; v cc = 4.5 v - - 0.1 v i o = 4.0 ma; v cc = 3.0 v - - 0.55 v i o = 8.0 ma; v cc = 4.5 v - - 0.55 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 10 m a i li input leakage current v i = v cc or gnd; v cc = 5.5 v - - 2.0 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5 v --40 m a c i input capacitance - - 10 pf table 8: static characteristics type 74ahc2g126 continued at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit table 9: static characteristics type 74AHCT2G126 at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit t amb = 25 c v ih high-level input voltage v cc = 4.5 v to 5.5 v 2.0 - - v v il low-level input voltage v cc = 4.5 v to 5.5 v - - 0.8 v v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 4.5 v 4.4 4.5 4.5 v i o = - 8.0 ma; v cc = 4.5 v 3.94 - - v v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 4.5 v - 0 0.1 v i o = 8.0 ma; v cc = 4.5 v - - 0.36 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 0.25 m a i li input leakage current v i = v ih or v il ; v cc = 5.5 v - - 0.1 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5 v - - 1.0 m a d i cc additional quiescent supply current per input pin v i = 3.4 v; other inputs at v cc or gnd; i o = 0 a; v cc = 5.5 v - - 1.35 ma c i input capacitance - 1.5 10 pf t amb = - 40 c to +85 c v ih high-level input voltage v cc = 4.5 v to 5.5 v 2.0 - - v v il low-level input voltage v cc = 4.5 v to 5.5 v - - 0.8 v
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 9 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 4.5 v 4.4 - - v i o = - 8.0 ma; v cc = 4.5 v 3.8 - - v v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 4.5 v - - 0.1 v i o = 8.0 ma; v cc = 4.5 v - - 0.44 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 2.5 m a i li input leakage current v i = v ih or v il ; v cc = 5.5 v - - 1.0 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5v --10 m a d i cc additional quiescent supply current per input pin v i = 3.4 v; other inputs at v cc or gnd; i o = 0 a; v cc = 5.5 v - - 1.5 ma c i input capacitance - - 10 pf t amb = - 40 c to +125 c v ih high-level input voltage v cc = 4.5 v to 5.5 v 2.0 - - v v il low-level input voltage v cc = 4.5 v to 5.5 v - - 0.8 v v oh high-level output voltage v i = v ih or v il i o = - 50 m a; v cc = 4.5 v 4.4 - - v i o = - 8.0 ma; v cc = 4.5 v 3.70 - - v v ol low-level output voltage v i = v ih or v il i o = 50 m a; v cc = 4.5 v - - 0.1 v i o = 8.0 ma; v cc = 4.5 v - - 0.55 v i oz 3-state off-state current v i = v cc or gnd; v cc = 5.5 v - - 10 m a i li input leakage current v i = v ih or v il ; v cc = 5.5 v - - 2.0 m a i cc quiescent supply current v i = v cc or gnd; i o = 0 a; v cc = 5.5 v --40 m a d i cc additional quiescent supply current per input pin v i = 3.4 v; other inputs at v cc or gnd; i o = 0 a; v cc = 5.5 v - - 1.5 ma c i input capacitance - - 10 pf table 9: static characteristics type 74AHCT2G126 continued at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 10 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 12. dynamic characteristics table 10: dynamic characteristics type 74ahc2g126 gnd = 0 v; t r = t f 3.0 ns; see figure 8 . symbol parameter test conditions min typ max unit t amb = 25 c t phl , t plh propagation delay na to ny see figure 6 v cc = 3.0 v to 3.6 v; c l =15pf [1] - 4.7 8.0 ns v cc = 4.5 v to 5.5 v; c l =15pf [2] - 3.4 5.5 ns v cc = 3.0 v to 3.6 v; c l =50pf [1] - 6.6 11.5 ns v cc = 4.5 v to 5.5 v; c l =50pf [2] - 4.8 7.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 v cc = 3.0 v to 3.6 v; c l =15pf [1] - 5.0 8.0 ns v cc = 4.5 v to 5.5 v; c l =15pf [2] - 3.6 5.1 ns v cc = 3.0 v to 3.6 v; c l =50pf [1] - 6.9 11.5 ns v cc = 4.5 v to 5.5 v; c l =50pf [2] - 4.9 7.5 ns t phz , t plz propagation delay noe to ny see figure 7 ; c l =15pf v cc = 3.0 v to 3.6 v; c l =15pf [1] - 6.0 9.7 ns v cc = 4.5 v to 5.5 v; c l =15pf [2] - 4.1 6.8 ns v cc = 3.0 v to 3.6 v; c l =50pf [1] - 8.3 13.2 ns v cc = 4.5 v to 5.5 v; c l =50pf [2] - 5.7 8.8 ns c pd power dissipation capacitance c l = 50 pf; f i = 1 mhz [3] [4] -10-pf t amb = - 40 c to +85 c t phl , t plh propagation delay na to ny see figure 6 v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 9.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 6.5 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 13.0 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 8.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 9.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 6.0 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 13.0 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 9.0 ns t phz , t plz propagation delay noe to ny see figure 7 ; c l =15pf v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 11.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 8.0 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 15.0 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 10.0 ns
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 11 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state [1] typical values are measured at v cc = 3.3 v. [2] typical values are measured at v cc = 5.0 v. [3] c pd is used to determine the dynamic power dissipation (p d in m w). p d = c pd v cc 2 f i n + s (c l v cc 2 f o ) where: f i = input frequency in mhz; f o = output frequency in mhz; c l = output load capacitance in pf; v cc = supply voltage in volts; n = total load switching outputs; s (c l v cc 2 f o ) = sum of the outputs. [4] the condition is v i = gnd to v cc . t amb = - 40 c to +125 c t phl , t plh propagation delay na to ny see figure 6 v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 11.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 7.0 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 14.5 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 9.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 11.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 6.5 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 14.5 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 9.5 ns t phz , t plz propagation delay noe to ny see figure 7 ; c l =15pf v cc = 3.0 v to 3.6 v; c l = 15 pf 1.0 - 12.5 ns v cc = 4.5 v to 5.5 v; c l = 15 pf 1.0 - 8.5 ns v cc = 3.0 v to 3.6 v; c l = 50 pf 1.0 - 16.5 ns v cc = 4.5 v to 5.5 v; c l = 50 pf 1.0 - 11.0 ns table 10: dynamic characteristics type 74ahc2g126 continued gnd = 0 v; t r = t f 3.0 ns; see figure 8 . symbol parameter test conditions min typ max unit table 11: dynamic characteristics type 74AHCT2G126 gnd = 0 v; t r = t f 3.0 ns; v cc = 4.5 v to 5.5 v; see figure 8 symbol parameter test conditions min typ max unit t amb = 25 c [1] t phl , t plh propagation delay na to ny see figure 6 c l = 15 pf - 3.4 5.5 ns c l = 50 pf - 4.8 7.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 c l = 15 pf - 3.9 5.1 ns c l = 50 pf - 5.1 7.5 ns t phz , t plz propagation delay noe to ny see figure 7 c l = 15 pf - 4.5 6.8 ns c l = 50 pf - 6.1 8.8 ns
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 12 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state [1] typical values are measured at v cc = 5.0 v. [2] c pd is used to determine the dynamic power dissipation (p d in m w). p d = c pd v cc 2 f i n + s (c l v cc 2 f o ) where: f i = input frequency in mhz; f o = output frequency in mhz; c l = output load capacitance in pf; v cc = supply voltage in volts; n = total load switching outputs; s (c l v cc 2 f o ) = sum of the outputs. [3] the condition is v i = gnd to v cc . c pd power dissipation capacitance c l = 50 pf; f i = 1 mhz [2] [3] -10-pf t amb = - 40 c to +85 c t phl , t plh propagation delay na to ny see figure 6 c l = 15 pf 1.0 - 6.5 ns c l = 50 pf 1.0 - 8.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 c l = 15 pf 1.0 - 6.0 ns c l = 50 pf 1.0 - 9.0 ns t phz , t plz propagation delay noe to ny see figure 7 c l = 15 pf 1.0 - 8.0 ns c l = 50 pf 1.0 - 10.0 ns t amb = - 40 c to +125 c t phl , t plh propagation delay na to ny see figure 6 c l = 15 pf 1.0 - 7.0 ns c l = 50 pf 1.0 - 9.5 ns t pzh , t pzl propagation delay noe to ny see figure 7 c l = 15 pf 1.0 - 6.5 ns c l = 50 pf 1.0 - 9.5 ns t phz , t plz propagation delay noe to ny see figure 7 c l = 15 pf 1.0 - 8.5 ns c l = 50 pf 1.0 - 11.0 ns table 11: dynamic characteristics type 74AHCT2G126 continued gnd = 0 v; t r = t f 3.0 ns; v cc = 4.5 v to 5.5 v; see figure 8 symbol parameter test conditions min typ max unit
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 13 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 13. waveforms measurement points are given in t ab le 12 . fig 6. the input (na) to output (ny) propagation delays. table 12: measurement points type input output v i v m v m v x v y 74ahc2g126 gnd to v cc 50%v cc 50%v cc v ol + 0.3 v v ol - 0.3 v 74AHCT2G126 gnd to 3.0 v 1.5 v 50 % v cc v ol + 0.3 v v ol - 0.3 v measurement points are given in t ab le 12 . fig 7. the 3-state enable and disable times. mna230 t phl t plh v m v m na input ny output gnd v i v oh v ol mna949 t plz t phz outputs disabled outputs enabled v y v x outputs enabled output low-to-off off-to-low output high-to-off off-to-high noe input v ol v oh v cc v i v m gnd gnd t pzl t pzh v m v m
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 14 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state switch positions: t plh , t phl : open t plz , t pzl : v cc t phz , t pzh : gnd de?nitions for test circuit: c l = load capacitance including jig and probe capacitance (see section 12 for the value). r l = load resistor. r t = termination resistance should be equal to the output impedance z o of the pulse generator. fig 8. load circuitry for switching times. open gnd v cc v cc v i v o mna232 d.u.t. c l r t r l = 1000 w pulse generator s 1
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 15 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 14. package outline fig 9. package outline sot505-2 (tssop8). unit a 1 a max. a 2 a 3 b p l h e l p wy v ce d (1) e (1) z (1) q references outline version european projection issue date iec jedec jeita mm 0.15 0.00 0.95 0.75 0.38 0.22 0.18 0.08 3.1 2.9 3.1 2.9 0.65 4.1 3.9 0.70 0.35 8 0 0.13 0.1 0.2 0.5 dimensions (mm are the original dimensions) note 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 0.47 0.33 sot505-2 - - - 02-01-16 w m b p d z e 0.25 14 8 5 q a 2 a 1 l p (a 3 ) detail x a l h e e c v m a x a y 2.5 5 mm 0 scale tssop8: plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm sot505-2 1.1 pin 1 index
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 16 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state fig 10. package outline sot765-1 (vssop8). unit a 1 a max. a 2 a 3 b p l h e l p wy v ce d (1) e (2) z (1) q references outline version european projection issue date iec jedec jeita mm 0.15 0.00 0.85 0.60 0.27 0.17 0.23 0.08 2.1 1.9 2.4 2.2 0.5 3.2 3.0 0.4 0.1 8 0 0.13 0.1 0.2 0.4 dimensions (mm are the original dimensions) notes 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. plastic or metal protrusions of 0.25 mm maximum per side are not included. 0.40 0.15 q 0.21 0.19 sot765-1 mo-187 02-06-07 w m b p d z e 0.12 14 8 5 q a 2 a 1 q l p (a 3 ) detail x a l h e e c v m a x a y 2.5 5 mm 0 scale vssop8: plastic very thin shrink small outline package; 8 leads; body width 2.3 mm sot765-1 1 pin 1 index
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 17 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state fig 11. package outline sot833-1 (xson8). terminal 1 index area references outline version european projection issue date iec jedec jeita sot833-1 - - - mo-252 - - - sot833-1 04-07-15 04-07-22 dimensions (mm are the original dimensions) xson8: plastic extremely thin small outline package; no leads; 8 terminals; body 0.95 x 1.95 x 0.5 mm d e e 1 e a 1 b l l 1 e 1 e 1 0 1 2 mm scale notes 1. including plating thickness. 2. can be visible in some manufacturing processes. unit mm 0.25 0.17 2.0 1.9 0.35 0.27 a 1 max b e 1.0 0.9 d ee 1 l 0.40 0.32 l 1 0.5 0.6 a (1) max 0.5 0.04 1 8 2 7 3 6 4 5 8 (2) 4 (2) a
9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 18 of 20 philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 15. revision history table 13: revision history document id release date data sheet status change notice order number supersedes 74ahc_ahct2g126_2 20040921 product data sheet - 9397 750 13736 74ahc_ahct2g126_1 modi?cation: ? addition of sot833-1 and ordering information. 74ahc_ahct2g126_1 20040304 product data sheet - 9397 750 12698 -
philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 9397 750 13736 ? koninklijke philips electronics n.v. 2004. all rights reserved. product data sheet rev. 02 21 september 2004 19 of 20 16. data sheet status [1] please consult the most recently issued data sheet before initiating or completing a design. [2] the product status of the device(s) described in this data sheet may have changed since this data sheet was published. the l atest information is available on the internet at url http://www.semiconductors.philips.com. [3] for data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. 17. de?nitions short-form speci?cation the data in a short-form speci?cation is extracted from a full data sheet with the same type number and title. for detailed information see the relevant data sheet or data handbook. limiting values de?nition limiting values given are in accordance with the absolute maximum rating system (iec 60134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the device at these or at any other conditions above those given in the characteristics sections of the speci?cation is not implied. exposure to limiting values for extended periods may affect device reliability. application information applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors make no representation or warranty that such applications will be suitable for the speci?ed use without further testing or modi?cation. 18. disclaimers life support these products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes philips semiconductors reserves the right to make changes in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. when the product is in full production (status production), relevant changes will be communicated via a customer product/process change noti?cation (cpcn). philips semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise speci?ed. 19. contact information for additional information, please visit: http://www.semiconductors.philips.com for sales of?ce addresses, send an email to: sales.addresses@www.semiconductors.philips.com level data sheet status [1] product status [2] [3] de?nition i objective data development this data sheet contains data from the objective speci?cation for product development. philips semiconductors reserves the right to change the speci?cation in any manner without notice. ii preliminary data quali?cation this data sheet contains data from the preliminary speci?cation. supplementary data will be published at a later date. philips semiconductors reserves the right to change the speci?cation without notice, in order to improve the design and supply the best possible product. iii product data production this data sheet contains data from the product speci?cation. philips semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. relevant changes will be communicated via a customer product/process change noti?cation (cpcn).
? koninklijke philips electronics n.v. 2004 all rights are reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. no liability will be accepted by the publisher for any consequence of its use. publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. date of release: 21 september 2004 document number: 9397 750 13736 published in the netherlands philips semiconductors 74ahc2g126; 74AHCT2G126 dual buffer/line driver; 3-state 20. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 quick reference data . . . . . . . . . . . . . . . . . . . . . 1 4 ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 functional diagram . . . . . . . . . . . . . . . . . . . . . . 3 7 pinning information . . . . . . . . . . . . . . . . . . . . . . 4 7.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 8 functional description . . . . . . . . . . . . . . . . . . . 5 8.1 function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5 9 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5 10 recommended operating conditions. . . . . . . . 5 11 static characteristics. . . . . . . . . . . . . . . . . . . . . 6 12 dynamic characteristics . . . . . . . . . . . . . . . . . 10 13 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 14 package outline . . . . . . . . . . . . . . . . . . . . . . . . 15 15 revision history . . . . . . . . . . . . . . . . . . . . . . . . 18 16 data sheet status . . . . . . . . . . . . . . . . . . . . . . . 19 17 de?nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 18 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 19 contact information . . . . . . . . . . . . . . . . . . . . 19

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