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1. general description the 74lvc14a is a high-performance, low-power, low-voltage, si-gate cmos device and superior to most advanced cmos compatible ttl families. inputs can be driven from either 3.3 v or 5 v devices. this feature allows the use of this device as a translator in a mixed 3.3 v and 5 v environment. the 74lvc14a provides six inverting buffers with schmitt-trigger action. it is capable of transforming slowly changing input signals into sharply de?ned, jitter-free output signals. 2. features n wide supply voltage range from 1.2 v to 3.6 v n 5 v tolerant input for interfacing with 5 v logic n cmos low-power consumption n direct interface with ttl levels n inputs accept voltages up to 5.5 v n unlimited input rise and fall times n complies with jedec standard: u jesd8-b/jesd36 (2.7 v to 3.6 v) n esd protection: u hbm eia/jesd22-a114-b exceeds 2000 v u mm eia/jesd22-a115-a exceeds 200 v n multiple package options n speci?ed from - 40 c to +85 c and from - 40 c to +125 c 3. applications n wave and pulse shapers for highly noisy environments n astable multivibrators n monostable multivibrators 74lvc14a hex inverting schmitt trigger with 5 v tolerant input rev. 04 15 february 2005 product data sheet
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 2 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 4. quick reference data [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 v; n = number of inputs switching; s (c l v cc 2 f o ) = sum of the outputs. [2] the condition is v i = gnd to v cc . 5. ordering information table 1: quick reference data symbol parameter conditions min typ max unit t phl , t plh propagation delay na to ny v cc = 3.3 v; c l = 50 pf - 3.2 - ns c i input capacitance - 4.0 - pf c pd power dissipation capacitance v cc = 3.3 v [1] [2] -10-pf table 2: ordering information type number package temperature range name description version 74lvc14ad - 40 c to +125 c so14 plastic small outline package; 14 leads; body width 3.9 mm sot108-1 74lvc14adb - 40 c to +125 c ssop14 plastic thin shrink small outline package; 14 leads; body width 5.3 mm sot337-1 74lvc14apw - 40 c to +125 c tssop14 plastic thin shrink small outline package; 14 leads; body width 4.4 mm sot402-1 74LVC14ABQ - 40 c to +125 c dhvqfn14 plastic dual in-line compatible thermal enhanced very thin quad ?at package; no leads; 14 terminals; body 2.5 3 0.85 mm sot762-1
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 3 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 6. functional diagram fig 1. logic symbol fig 2. iec logic symbol fig 3. logic diagram (one schmitt trigger) mna204 1a 1y 1 2 2a 2y 3 4 3a 3y 5 6 4a 4y 9 8 5a 5y 11 10 6a 6y 13 12 8 9 10 11 001aac497 12 13 2 1 4 3 6 5 mna025 a y
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 4 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 7. pinning information 7.1 pinning 7.2 pin description (1) the die substrate is attached to the exposed die pad using conductive die attach material. it can not be used as a supply pin or input. fig 4. pin con?guration so14, ssop14 and tssop14 fig 5. pin con?guration dhvqfn14 14a 1a v cc 1y 6a 2a 6y 2y 5a 3a 5y 3y 4a gnd 4y 001aac518 1 2 3 4 5 6 7 8 10 9 12 11 14 13 001aac519 14a gnd (1) transparent top view 3y 4a 3a 5y 2y 5a 2a 6y 1y 6a gnd 4y 1a v cc 6 9 5 10 4 11 3 12 2 13 7 8 1 14 terminal 1 index area table 3: pin description symbol pin description 1a 1 1 data input a 1y 2 1 data output y 2a 3 2 data input a 2y 4 2 data output y 3a 5 3 data input a 3y 6 3 data output y gnd 7 ground (0 v) 4y 8 4 data output y 4a 9 4 data input a 5y 10 5 data output y 5a 11 5 data input a 6y 12 6 data output y 6a 13 6 data input a v cc 14 supply voltage
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 5 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 8. functional description 8.1 function table [1] h = high voltage level; l = low voltage level. 9. limiting values [1] the input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] when v cc = 0 v (power-down mode), the output voltage can be 3.6 v in normal operation. [3] for so14 packages: p tot derates linearly with 8 mw/k above 70 c. for (t)ssop14 packages: p tot derates linearly with 5.5 mw/k above 60 c. for dhvqfn14 packages: p tot derates linearly with 4.5 mw/k above 60 c. table 4: function table [1] input output na ny lh hl table 5: 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 +6.5 v v i input voltage [1] - 0.5 +6.5 v v o output voltage [1] - 0.5 v cc + 0.5 v i ik input diode current v i < 0 v - - 50 ma i ok output diode current v o > v cc or v o < 0 v - 50 ma i o output source or sink current v o = 0 v to v cc - 50 ma i cc , i gnd v cc or gnd current - 100 ma t stg storage temperature - 65 +150 c p tot total power dissipation t amb = - 40 c to +125 c [3] - 500 mw
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 6 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 10. recommended operating conditions 11. static characteristics table 6: recommended operating conditions symbol parameter conditions min typ max unit v cc supply voltage for maximum speed performance 2.7 - 3.6 v for low-voltage applications 1.2 - 3.6 v v i input voltage 0 - 5.5 v v o output voltage 0 - v cc v t amb ambient temperature - 40 - +125 c table 7: static characteristics at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit t amb = - 40 c to +85 c [1] v oh high-level output voltage v i = v ih or v il i o = - 100 m a; v cc = 2.7 v to 3.6 v v cc - 0.2 - - v i o = - 8 ma; v cc = 2.3 v to 2.7 v v cc - 0.5 - - v i o = - 12 ma; v cc = 2.7 v v cc - 0.5 - - v i o = - 18 ma; v cc = 3.0 v v cc - 0.6 - - v i o = - 24 ma; v cc = 3.0 v v cc - 0.8 - - v v ol low-level voltage output v i = v ih or v il i o = 100 m a; v cc = 2.7 v to 3.6 v - - 0.2 v i o = 8 ma; v cc = 2.3 v to 2.7 v - - 0.6 v i o = 12 ma; v cc = 2.7 v - - 0.4 v i o = 24 ma; v cc = 3.0 v - - 0.55 v i li input leakage current v cc = 3.6 v; v i = 5.5 v or gnd - 0.1 5 m a i cc quiescent supply current v cc = 3.6 v; v i =v cc or gnd; i o = 0 a - 0.1 10 m a d i cc additional quiescent supply current per input pin v cc = 2.7 v to 3.6 v; v i =v cc - 0.6 v; i o = 0 a - 5 500 m a c i input capacitance - 4.0 - pf t amb = - 40 c to +125 c v oh high-level output voltage v i = v ih or v il i o = - 100 m a; v cc = 2.7 v to 3.6 v v cc - 0.3 - - v i o = - 8 ma; v cc = 2.3 v to 2.7 v v cc - 0.65 - - v i o = - 12 ma; v cc = 2.7 v v cc - 0.65 - - v i o = - 18 ma; v cc = 3.0 v v cc - 0.75 - - v i o = - 24 ma; v cc = 3.0 v v cc - 1--v
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 7 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input [1] all typical values are measured at t amb = 25 c. 12. dynamic characteristics [1] all typical values are measured at nominal v cc and t amb = 25 c. [2] skew between any two outputs of the same package switching in the same direction. this parameter is guaranteed by design. [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 v; n = number of inputs switching; s (c l v cc 2 f o ) = sum of the outputs. [4] the condition is v i = gnd to v cc . v ol low-level voltage output v i = v ih or v il i o = 100 m a; v cc = 2.7 v to 3.6 v - - 0.3 v i o = 8 ma; v cc = 2.3 v to 2.7 v - - 0.75 v i o = 12 ma; v cc = 2.7 v - - 0.6 v i o = 24 ma; v cc = 3.0 v - - 0.8 v i li input leakage current v cc = 3.6 v; v i = 5.5 v or gnd - - 20 m a i cc quiescent supply current v cc = 3.6 v; v i =v cc or gnd; i o =0a - - 40 m a d i cc additional quiescent supply current per input pin v cc = 2.7 v to 3.6 v; v i =v cc - 0.6 v; i o = 0 a --5ma table 7: static characteristics continued at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit table 8: dynamic characteristics voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 . symbol parameter conditions min typ max unit t amb = - 40 c to +85 c [1] t phl , t plh propagation delay na to ny see figure 6 v cc = 1.2 v - 16 - ns v cc = 2.3 v to 2.7 v 1.5 4.0 7.8 ns v cc = 2.7 v 1.5 3.6 7.5 ns v cc = 3.0 v to 3.6 v 1.0 3.2 6.4 ns t sk(0) skew [2] - - 1.0 ns c pd power dissipation capacitance v cc = 3.3 v [3] [4] -10-pf t amb = - 40 c to +125 c t phl , t plh propagation delay na to ny see figure 6 v cc = 1.2v ---ns v cc = 2.3 v to 2.7 v 1.5 - 10.0 ns v cc = 2.7 v 1.5 - 9.5 ns v cc = 3.0 v to 3.6 v 1.0 - 8.0 ns t sk(0) skew [2] - - 1.5 ns
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 8 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 13. waveforms measurement points are given in t ab le 9 . logic levels: v ol and v oh are typical output voltage drop that occur with the output load. fig 6. propagation delay input (na) to output (ny) table 9: measurement points supply input output v cc v m v m 1.2 v 0.5 v cc 0.5 v cc 2.3 v to 2.7 v 0.5 v cc 0.5 v cc 2.7 v 1.5 v 1.5 v 3.0 v to 3.6 v 1.5 v 1.5 v mna344 t phl t plh v m v m na input ny output gnd v i v oh v ol
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 9 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input test data is given in t ab le 10 . de?nitions test circuit: r t = termination resistance should be equal to output impedance z o of the pulse generator. c l = load capacitance including jig and probe capacitance. r l = load resistor. v ext = test voltage for switching times. fig 7. load circuitry for switching times table 10: test data supply input load v ext v cc v i t r , t f c l r l t plh , t phl 1.2 v v cc 2.5 ns 30 pf 500 w open 2.3 v to 2.7 v v cc 2.5 ns 30 pf 500 w open 2.7 v 2.7 v 2.5 ns 50 pf 500 w open 3.0 v to 3.6 v 2.7 v 2.5 ns 50 pf 500 w open v ext v cc v i v o mna616 d.u.t. c l r t r l r l pulse generator
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 10 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 14. transfer characteristics [1] all typical values are measured at nominal v cc and t amb = 25 c. [2] typical transfer characteristic is displayed in figure 9 . table 11: transfer characteristics the v ih and v il from the family static characteristics are superseded by the v t+ and v t - . voltages are referenced to gnd (ground = 0 v); see figure 8 . symbol parameter conditions min typ max unit t amb = - 40 c to +85 c [1] v t+ positive-going threshold v cc = 1.2 v - - 1.2 v v cc = 2.5 v 0.9 - 1.7 v v cc = 2.7 v 1.1 - 2.0 v v cc = 2.7 v to 3.6 v 1.1 - 2.0 v v t - negative-going threshold v cc = 1.2 v 0 - - v v cc = 2.5 v 0.4 - 1.2 v v cc = 2.7 v 0.8 - 1.5 v v cc = 2.7 v to 3.6 v 0.8 - 1.5 v v h hysteresis (v t+ - v t - )v cc = 1.2 v - - - v v cc = 2.5 v 0.3 - - v v cc = 2.7 v 0.3 0.4 - v v cc = 2.7 v to 3.6 v [2] 0.3 0.45 - v t amb = - 40 c to +125 c v t+ positive-going threshold v cc = 1.2 v - - 1.2 v v cc = 2.5 v 0.9 - 1.7 v v cc = 2.7 v 1.1 - 2.0 v v cc = 2.7 v to 3.6 v 1.1 - 2.0 v v t - negative-going threshold v cc = 1.2 v 0 - - v v cc = 2.5 v 0.4 - 1.2 v v cc = 2.7 v 0.8 - 1.5 v v cc = 2.7 v to 3.6 v 0.8 - 1.5 v v h hysteresis (v t+ - v t - )v cc = 1.2 v - - - v v cc = 2.5 v 0.2 - - v v cc = 2.7 v 0.3 - - v v cc = 2.7 v to 3.6 v 0.3 - - v
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 11 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 15. waveforms transfer characteristics v t - at 20 % and v t+ at 70 % fig 8. de?nition of v t+ , v t - and v h v cc = 3.3 v. fig 9. typical transfer characteristic mna207 v o v i v h v t + v t - mna208 v o v i v h v t + v t - 0 0.6 1.2 3 5 4 0 1 2 3 mna582 1.8 2.4 v i (v) i cc (ma)
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 12 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 16. application information (1) positive-going edge. (2) negative going-edge. linear change of v i between 0.8 v to 2.0 v. all values given are typical unless otherwise speci?ed. fig 10. average supply current as a function of supply voltage at v cc = 3.0 v. fig 11. relaxation oscillator 2.1 2.7 3.9 2.5 0.5 1.5 1.0 2.0 mna581 3.3 2.4 3.0 3.6 v cc (v) i cc (ma) (1) (2) mna035 r c f 1 t --- 1 0.8 rc --------------------- - ? =
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 13 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 17. package outline fig 12. package outline sot108-1 (so14) unit a max. a 1 a 2 a 3 b p cd (1) e (1) (1) eh e ll p qz y w v q references outline version european projection issue date iec jedec jeita mm inches 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 8.75 8.55 4.0 3.8 1.27 6.2 5.8 0.7 0.6 0.7 0.3 8 0 o o 0.25 0.1 dimensions (inch dimensions are derived from the original mm dimensions) note 1. plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. 1.0 0.4 sot108-1 x w m q a a 1 a 2 b p d h e l p q detail x e z e c l v m a (a ) 3 a 7 8 1 14 y 076e06 ms-012 pin 1 index 0.069 0.010 0.004 0.057 0.049 0.01 0.019 0.014 0.0100 0.0075 0.35 0.34 0.16 0.15 0.05 1.05 0.041 0.244 0.228 0.028 0.024 0.028 0.012 0.01 0.25 0.01 0.004 0.039 0.016 99-12-27 03-02-19 0 2.5 5 mm scale so14: plastic small outline package; 14 leads; body width 3.9 mm sot108-1
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 14 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input fig 13. package outline sot337-1 (ssop14) unit a 1 a 2 a 3 b p cd (1) e (1) eh e ll p qz y w v q references outline version european projection issue date iec jedec jeita mm 0.21 0.05 1.80 1.65 0.25 0.38 0.25 0.20 0.09 6.4 6.0 5.4 5.2 0.65 1.25 0.2 7.9 7.6 1.03 0.63 0.9 0.7 1.4 0.9 8 0 o o 0.13 0.1 dimensions (mm are the original dimensions) note 1. plastic or metal protrusions of 0.25 mm maximum per side are not included. sot337-1 99-12-27 03-02-19 (1) w m b p d h e e z e c v m a x a y 1 7 14 8 q a a 1 a 2 l p q detail x l (a ) 3 mo-150 pin 1 index 0 2.5 5 mm scale ssop14: plastic shrink small outline package; 14 leads; body width 5.3 mm sot337-1 a max. 2
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 15 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input fig 14. package outline sot402-1 (tssop14) unit a 1 a 2 a 3 b p cd (1) e (2) (1) eh e ll p qz y w v q references outline version european projection issue date iec jedec jeita mm 0.15 0.05 0.95 0.80 0.30 0.19 0.2 0.1 5.1 4.9 4.5 4.3 0.65 6.6 6.2 0.4 0.3 0.72 0.38 8 0 o o 0.13 0.1 0.2 1 dimensions (mm are the original dimensions) notes 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. plastic interlead protrusions of 0.25 mm maximum per side are not included. 0.75 0.50 sot402-1 mo-153 99-12-27 03-02-18 w m b p d z e 0.25 17 14 8 q a a 1 a 2 l p q detail x l (a ) 3 h e e c v m a x a y 0 2.5 5 mm scale tssop14: plastic thin shrink small outline package; 14 leads; body width 4.4 mm sot402-1 a max. 1.1 pin 1 index
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 16 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input fig 15. package outline sot762-1 (dhvqfn14) terminal 1 index area 0.5 1 a 1 e h b unit y e 0.2 c references outline version european projection issue date iec jedec jeita mm 3.1 2.9 d h 1.65 1.35 y 1 2.6 2.4 1.15 0.85 e 1 2 0.30 0.18 0.05 0.00 0.05 0.1 dimensions (mm are the original dimensions) sot762-1 mo-241 - - - - - - 0.5 0.3 l 0.1 v 0.05 w 0 2.5 5 mm scale sot762-1 dhvqfn14: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 14 terminals; body 2.5 x 3 x 0.85 mm a (1) max. a a 1 c detail x y y 1 c e l e h d h e e 1 b 26 13 9 8 7 1 14 x d e c b a 02-10-17 03-01-27 terminal 1 index area a c c b v m w m e (1) note 1. plastic or metal protrusions of 0.075 mm maximum per side are not included. d (1)
9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 17 of 19 philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 18. revision history table 12: revision history document id release date data sheet status change notice doc. number supersedes 74lvc14a_4 20050215 product data sheet - 9397 750 14591 74lvc14a_3 modi?cations: ? the format of this data sheet is redesigned to comply with the current presentation and information standard of philips semiconductors. ? general text updates. 74lvc14a_3 20030228 product speci?cation - 9397 750 10536 74lvc14a_2 74lvc14a_2 20020315 product speci?cation - 9397 750 09449 74lvc14a_1 74lvc14a_1 19980428 product speci?cation - 9397 750 04484 -
philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 9397 750 14591 ? koninklijke philips electronics n.v. 2005. all rights reserved. product data sheet rev. 04 15 february 2005 18 of 19 19. 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. 20. 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. 21. 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. 22. 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. 2005 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: 15 february 2005 document number: 9397 750 14591 published in the netherlands philips semiconductors 74lvc14a hex inverting schmitt trigger with 5 v tolerant input 23. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 quick reference data . . . . . . . . . . . . . . . . . . . . . 2 5 ordering information . . . . . . . . . . . . . . . . . . . . . 2 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. . . . . . . . 6 11 static characteristics. . . . . . . . . . . . . . . . . . . . . 6 12 dynamic characteristics . . . . . . . . . . . . . . . . . . 7 13 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 14 transfer characteristics. . . . . . . . . . . . . . . . . . 10 15 waveforms transfer characteristics . . . . . . . . 11 16 application information. . . . . . . . . . . . . . . . . . 12 17 package outline . . . . . . . . . . . . . . . . . . . . . . . . 13 18 revision history . . . . . . . . . . . . . . . . . . . . . . . . 17 19 data sheet status . . . . . . . . . . . . . . . . . . . . . . . 18 20 de?nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 21 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 22 contact information . . . . . . . . . . . . . . . . . . . . 18

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