rev.3.00, nov.12.2004, page 1 of 6 HD74AC126/hd74act126 quad buffer/line driver with 3-state output rej03d0247?0300 rev.3.00 nov.12.2004 description the HD74AC126/hd74act126 is an quad buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/r eceiver which provides improved pc board density. features ? 3-state outputs drive bus lines or buffer memory address registers ? outputs source/sink 24 ma ? hd74act126 has ttl-compatible inputs ? ordering information: ex. HD74AC126 part name package type package code package abbreviation taping abbreviation (quantity) HD74AC126fpel sop-14 pin (jeita) fp-14dav fp el (2,000 pcs/reel) HD74AC126rpel sop-14 pin (jedec) fp-14dnv rp el (2,500 pcs/reel) notes: 1. please consult the sales o ffice for the above package availability. 2. the packages with lead-free pins are distinguished fr om the conventional products by adding v at the end of the package code. pin arrangement (top view) e d o e d o gnd v cc e d o e d o 1 2 3 4 5 6 7 14 13 12 11 10 9 8
HD74AC126/hd74act126 rev.3.00, nov.12.2004, page 2 of 6 logic symbol do e pin names d data inputs e 3-state output enable inputs (active high) o outputs truth table inputs e d output h l l h h h l x z h : high voltage level l : low voltage level x : immaterial z : high impedance absolute maximum ratings item symbol ratings unit condition supply voltage v cc ?0.5 to 7 v ?20 ma v i = ?0.5v dc input diode current i ik 20 ma v i = vcc+0.5v dc input voltage v i ?0.5 to vcc+0.5 v ?50 ma v o = ?0.5v dc output diode current i ok 50 ma v o = vcc+0.5v dc output voltage v o ?0.5 to vcc+0.5 v dc output source or sink current i o 50 ma dc v cc or ground current per output pin i cc , i gnd 50 ma storage temperature tstg ?65 to +150 c recommended operating c onditions: HD74AC126 item symbol ratings unit condition supply voltage v cc 2 to 6 v input and output voltage v i , v o 0 to v cc v operating temperature ta ?40 to +85 c v cc = 3.0v v cc = 4.5 v input rise and fall time (except schmitt inputs) v in 30% to 70% v cc tr, tf 8 ns/v v cc = 5.5 v
HD74AC126/hd74act126 rev.3.00, nov.12.2004, page 3 of 6 dc characteristics: HD74AC126 ta = 25 c ta = ?40 to +85 c item sym- bol vcc (v) min. typ. max. min. max. unit condition 3.0 2.1 1.5 ? 2.1 ? 4.5 3.15 2.25 ? 3.15 ? v ih 5.5 3.85 2.75 ? 3.85 ? v out = 0.1 v or v cc ?0.1 v 3.0 ? 1.50 0.9 ? 0.9 4.5 ? 2.25 1.35 ? 1.35 input voltage v il 5.5 ? 2.75 1.65 ? 1.65 v v out = 0.1 v or v cc ?0.1 v 3.0 2.9 2.99 ? 2.9 ? 4.5 4.4 4.49 ? 4.4 ? 5.5 5.4 5.49 ? 5.4 ? v in = v il or v ih i out = ?50 a 3.0 2.58 ? ? 2.48 ? i oh = ?12 ma 4.5 3.94 ? ? 3.80 ? i oh = ?24 ma v oh 5.5 4.94 ? ? 4.80 ? v in = v il or v ih i oh = ?24 ma 3.0 ? 0.002 0.1 ? 0.1 4.5 ? 0.001 0.1 ? 0.1 5.5 ? 0.001 0.1 ? 0.1 v in = v il or v ih i out = 50 a 3.0 ? ? 0.32 ? 0.37 i ol = 12 ma 4.5 ? ? 0.32 ? 0.37 i ol = 24 ma output voltage v ol 5.5 ? ? 0.32 ? 0.37 v v in = v il or v ih i ol = 24 ma input leakage current i in 5.5 ? ? 0.1 ? 1.0 a v in = v cc or gnd 3 state current i oz 5.5 ? ? 0.5 ? 5.0 a v in(oe) = v il , v ih v in = v cc or gnd v out = v cc or gnd i old 5.5 ? ? ? 86 ? ma v old = 1.1 v dynamic output current * i ohd 5.5 ? ? ? ?75 ? ma v ohd = 3.85 v quiescent supply current i cc 5.5 ? ? 8.0 ? 80 a v in = v cc or ground * maximum test duration 2.0 ms, one output loaded at a time. recommended operating c onditions: hd74act126 item symbol ratings unit condition supply voltage v cc 2 to 6 v input and output voltage v i , v o 0 to v cc v operating temperature ta ?40 to +85 c input rise and fall time (except schmitt inputs) v in 0.8 to 2.0 v tr, tf 8 ns/v v cc = 4.5v v cc = 5.5v
HD74AC126/hd74act126 rev.3.00, nov.12.2004, page 4 of 6 dc characteristics : hd74act126 ta = 25 c ta = ?40 to +85 c item sym- bol v cc (v) min. typ. max. min. max. unit condition 4.5 2.0 1.5 ? 2.0 ? v ih 5.5 2.0 1.5 ? 2.0 ? v out = 0.1 v or v cc ?0.1 v 4.5 ? 1.5 0.8 ? 0.8 input voltage v il 5.5 ? 1.5 0.8 ? 0.8 v v out = 0.1 v or v cc ?0.1 v 4.5 4.4 4.49 ? 4.4 ? 5.5 5.4 5.49 ? 5.4 ? v in = v il or v ih i out = ?50 a 4.5 3.94 ? ? 3.80 ? i oh = ?24 ma v oh 5.5 4.94 ? ? 4.80 ? v in = v il i oh = ?24 ma 4.5 ? 0.001 0.1 ? 0.1 5.5 ? 0.001 0.1 ? 0.1 v in = v il or v ih i out = 50 a 4.5 ? ? 0.32 ? 0.37 i ol = 24 ma output voltage v ol 5.5 ? ? 0.32 ? 0.37 v v in = v il i ol = 24 ma input current i in 5.5 ? ? 0.1 ? 1.0 a v in = v cc or gnd 3 state current i oz 5.5 ? ? 0.5 ? 5.0 a v in = v il , v ih v out = v cc or gnd i cc /input current i cct 5.5 ? 0.6 ? ? 1.5 ma v in = v cc ?2.1 v i old 5.5 ? ? ? 86 ? ma v old = 1.1 v dynamic output current * i ohd 5.5 ? ? ? ?75 ? ma v ohd = 3.85 v quiescent supply current i cc 5.5 ? ? 8.0 ? 80 a v in = v cc or ground * maximum test duration 2.0 ms, one output loaded at a time. ac characteristics: HD74AC126 ta = +25c c l = 50 pf ta = ?40c to +85c c l = 50 pf item symbol v cc (v) * 1 min typ max min max unit propagation delay t plh 3.3 1.0 6.5 9. 0 1.0 10.0 ns 5.0 1.0 5.5 7.0 1.0 7.5 propagation delay t phl 3.3 1.0 6.5 9.0 1.0 10.0 5.0 1.0 5.0 7.0 1.0 7.5 enable time t zh 3.3 1.0 6.5 12.5 1.0 13.0 5.0 1.0 5.5 9.0 1.0 9.5 enable time t zl 3.3 1.0 7.0 12.0 1.0 13.0 5.0 1.0 5.5 9.0 1.0 9.5 disable time t hz 3.3 1.0 8.0 12.0 1.0 12.5 5.0 1.0 6.5 10.0 1.0 10.5 disable time t lz 3.3 1.0 7.0 12.5 1.0 13.5 5.0 1.0 6.0 10.0 1.0 10.5 note: 1. voltage range 3.3 is 3.3 v 0.3 v voltage range 5.0 is 5.0 v 0.5 v
HD74AC126/hd74act126 rev.3.00, nov.12.2004, page 5 of 6 ac characteristi cs: hd74act126 ta = +25c c l = 50 pf ta = ?40c to +85c c l = 50 pf item symbol v cc (v) * 1 min typ max min max unit propagation delay t plh 5.0 1.0 6.5 9. 0 1.0 10.0 ns propagation delay t phl 5.0 1.0 7.0 9.0 1.0 10.0 enable time t zh 5.0 1.0 6.0 9.0 1.0 10.0 enable time t zl 5.0 1.0 7.0 10.0 1.0 11.0 disable time t hz 5.0 1.0 8.0 10.5 1.0 11.5 disable time t lz 5.0 1.0 7.0 10.5 1.0 11.5 note: 1. voltage range 5.0 is 5.0 v 0.5 v capacitance item symbol typ unit condition input capacitance c in 4.5 pf v cc = 5.5 v power dissipation capacitance c pd 45.0 pf v cc = 5.0 v
HD74AC126/hd74act126 rev.3.00, nov.12.2004, page 6 of 6 package dimensions package code jedec jeita mass (reference value) fp-14dav ? conforms 0.23 g *ni/pd/au plating *0.20 0.05 *0.40 0.06 0.70 0.20 0.12 0.15 0 ? ? 8 ? m 0.10 0.10 2.20 max 5.5 10.06 1.42 max 14 8 1 7 10.5 max + 0.20 ? 0.30 7.80 1.15 1.27 as of january, 2003 unit: mm package code jedec jeita mass (reference value) fp-14dnv conforms conforms 0.13 g 0 ? ? 8 ? 1.27 14 8 1 7 0.15 0.25 m 1.75 max 3.95 *0.20 0.05 8.65 9.05 max *0.40 0.06 0.14 + 0.11 ? 0.04 0.635 max 6.10 + 0.10 ? 0.30 0.60 + 0.67 ? 0.20 1.08 *ni/pd/au plating as of january, 2003 unit: mm
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