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this is information on a product in full production. october 2012 doc id 5741 rev 9 1/16 16 74vhc14 hex schmitt inverter datasheet ? production data features high speed: t pd = 5.5 ns (typ.) at v cc = 5 v low power dissipation ?i cc = 2 a (max.) at t a = 25 c typical hysteresis: v h = 1 v at v cc = 4.5 v power-down protection on inputs ? symmetrical output impedance |i oh | = i ol = 8 ma (min.) balanced propagation delay: t plh ? t phl operating voltage range ?v cc (opr.) = 2 v to 5.5 v pin and function compatible with 74 series 14 improved latch-up immunity low noise ?v olp = 0.8 v (max.) esd performance ? hbm: 2000 v ? mm: 200 v ? cdm: 1000 v applications automotive industrial computer consumer description the 74vhc14 device is an advanced high-speed cmos hex schmitt inverter manufactured with sub-micron silic on gate and double-layer metal wiring c 2 mos technology. the internal circuit is composed of 3 stages including a buffer output, which provides high noise immunity and stable output. power-down protection is provided on all inputs and 0 to 7 v can be accepted on inputs regardless of the supply voltage. this device can be used to interface from 5 v to 3 v. pin configuration and function are the same as those of the 74vhc04 device but the 74vhc14 device has hysteresis. this along with its schmitt trigger function allows the device to be used on line receivers with slow rise/fall input signals. all inputs and outputs are equipped with protection circuits against static discharge, giving them 2 kv esd immunity and transient excess voltage. so-14 tssop14 table 1. device summary order code temperature range package packaging marking 74vhc14ttr -55/+125 c tssop14 tape and reel vhc14 74VHC14YTTR (1) -40/+125 c tssop14 (automotive grade) tape and reel vhc14y 74vhc14mtr -55/+125 c so-14 tape and reel 74vhc14 74vhc14ymtr (1) -40/+125 c so-14 (automotive grade) tape and reel 74vhc14y 1. qualification and characterization according to aec q100 and q003 or equivalent, advanced screening according to aec q001 and q002 or equivalent. www.st.com
contents 74vhc14 2/16 doc id 5741 rev 9 contents 1 logic symbols and i/o equivalent circuit . . . . . . . . . . . . . . . . . . . . . . . . 3 2 pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 8 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
74vhc14 logic symbols and i/o equivalent circuit doc id 5741 rev 9 3/16 1 logic symbols and i/o equivalent circuit figure 1. iec logic symbols figure 2. input and output equivalent circuit
pin settings 74vhc14 4/16 doc id 5741 rev 9 2 pin settings 2.1 pin connections figure 3. pin connections (top through view) 2.2 pin description 2.3 truth table table 2. pin description pin number symbol name and function 1, 3, 5, 9, 11, 13 1a to 6a data inputs 2, 4, 6, 8, 10, 12 1y to 6y data outputs 7 gnd ground (0 v) 14 v cc positive supply voltage table 3. truth table input output ay lh hl
74vhc14 maximum ratings doc id 5741 rev 9 5/16 3 maximum ratings stressing the device above the rating listed in table 4: absolute maximum ratings may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in table 5: recommended operating conditions of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. recommended operating conditions table 4. absolute maximum ratings symbol parameter value unit v cc supply voltage -0.5 to +7.0 v v i dc input voltage -0.5 to +7.0 v v o dc output voltage -0.5 to v cc + 0.5 v i ik dc input diode current - 20 ma i ok dc output diode current 20 ma i o dc output current 25 ma i cc dc supply current per supply pin 50 ma i gnd dc ground current per supply pin 50 ma t stg storage temperature -65 to +150 c t l lead temperature (10 sec.) 300 c table 5. recommended operating conditions symbol parameter value unit v cc supply voltage 2 to 5.5 v v i input voltage 0 to 5.5 v v o output voltage 0 to v cc v t op operating temperature tssop14, so-14 -55 to +125 c tssop14 (automotive grade) -40 to +125 c
electrical characteristics 74vhc14 6/16 doc id 5741 rev 9 4 electrical characteristics table 6. dc specifications symbol parameter test condition value unit v cc (v) t a = 25c -40 to 85 c -55 to 125 c min. typ. max. min. max. min. max. v t+ high level threshold voltage 3.0 2.2 2.2 2.2 v 4.5 3.15 3.15 3.15 5.5 3.85 3.85 3.85 v t- low level threshold voltage 3.0 0.9 0.9 0.9 v 4.5 1.35 1.35 1.35 5.5 1.65 1.65 1.65 v h hysteresis voltage 3.0 0.3 1.2 0.3 1.2 0.3 1.2 v 4.5 0.4 1.4 0.4 1.4 0.4 1.4 5.5 0.5 1.6 0.5 1.6 0.5 1.6 v oh high level output voltage 2.0 i o = -50 a 1.9 2.0 1.9 1.9 v 3.0 i o = -50 a 2.9 3.0 2.9 2.9 4.5 i o = -50 a 4.4 4.5 4.4 4.4 3.0 i o = -4 ma 2.58 2.48 2.4 4.5 i o = -8 ma 3.94 3.8 3.7 v ol low level output voltage 2.0 i o = 50 a 0.0 0.1 0.1 0.1 v 3.0 i o = 50 a 0.0 0.1 0.1 0.1 4.5 i o = 50 a 0.0 0.1 0.1 0.1 3.0 i o = 4 ma 0.36 0.44 0.55 4.5 i o = 8 ma 0.36 0.44 0.55 i i input leakage current 0 to 5.5 v i = 5.5 v or gnd 0.1 1 1 a i cc quiescent supply current 5.5 v i = v cc or gnd 2 20 20 a
74vhc14 electrical characteristics doc id 5741 rev 9 7/16 table 7. ac electrical characteristics (input t r = t f = 3 ns) symbol parameter test condition value unit v cc (v) c l (pf) t a = 25 c -40 to 85 c -55 to 125 c min. typ. max. min. max. min. max. t plh t phl propagation delay time 3.3 (1) 15 8.3 12.8 1.0 15.0 1.0 15.0 ns 3.3 (1) 50 10.8 16.3 1.0 18.5 1.0 18.5 5.0 (2) 15 5.5 8.6 1.0 10.0 1.0 10.0 5.0 (2) 50 7.0 10.6 1.0 12.0 1.0 12.0 1. voltage range is 3.3 v 0.3 v. 2. voltage range is 5.0 v 0.5 v. table 8. capacitive characteristics symbol parameter test condition value unit t a = 25 c -40 to 85 c -55 to 125c min. typ. max. min. max. min. max. c in input capacitance 6 10 10 10 pf c pd power dissipation capacitance (1) 14 pf 1. c pd is defined as the value of the ic?s internal equivalent capacitance which is calculated from the operating current consumption without load. (refer to section 5: test circuit ). average operating current can be obtained by the following equation. i cc (opr) = c pd x v cc x f in + i cc /6 (per gate). table 9. dynamic switching characteristics symbol parameter test condition value unit v cc (v) t a = 25 c -40 to 85 c -55 to 125 c min. typ. max. min. max. min. max. v olp dynamic low voltage quiet output (1) , (2) 5.0 c l = 50 pf 0.3 0.8 v v olv -0.8 -0.3 v ihd dynamic high voltage input (1) , (3) 5.0 3.5 v v ild dynamic low voltage input (1) , (3) 5.0 1.5 v 1. worst case package. 2. max number of outputs defined as (n). data inputs are driven 0 v to 5.0 v, (n-1) outputs switching and one output at gnd. 3. max number of data inputs (n) switching. (n-1) switching 0 v to 5.0 v. inputs under test switching: 5.0 v to threshold (v ild ), 0 v to threshold (v ihd ), f = 1 mhz.
test circuit 74vhc14 8/16 doc id 5741 rev 9 5 test circuit figure 4. test circuit note: c l = 15/50 pf or equivalent (includes jig and probe capacitance) r t = z out of pulse generator (typically 50 ).
74vhc14 waveform doc id 5741 rev 9 9/16 6 waveform figure 5. waveform - propagation delay (f = 1mhz; 50% duty cycle)
package information 74vhc14 10/16 doc id 5741 rev 9 7 package information in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack specifications, grade definitions and product status are available at: www.st.com . ecopack is an st trademark.
74vhc14 package information doc id 5741 rev 9 11/16 figure 6. so-14 package outline table 10. so-14 package mechanical data symbol dimensions mm inch min. typ. max. min. typ. max. a 1.35 1.75 0.053 0.069 a1 0.1 0.25 0.004 0.010 a2 1.10 1.65 0.043 0.065 b 0.33 0.51 0.013 0.020 c 0.19 0.25 0.007 0.010 d 8.55 8.75 0.337 0.344 e 3.8 4.0 0.150 0.157 e 1.27 0.050 h 5.8 6.2 0.228 0.244 h 0.25 0.50 0.010 0.020 l 0.4 1.27 0.016 0.050 k 0 8 0 8 ddd 0.100 0.004
package information 74vhc14 12/16 doc id 5741 rev 9 figure 7. tssop14 package outline table 11. tssop14 package mechanical data symbol dimensions mm inch min. typ. max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k 0 8 0 8 l 0.45 0.60 0.75 0.018 0.024 0.030
74vhc14 package information doc id 5741 rev 9 13/16 figure 8. tape and reel so-14 outline 1. drawing is not in scale. table 12. tape and reel so-14 mechanical data symbol dimensions mm inch min. typ. max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.4 6.6 0.252 0.260 bo 9 9.2 0.354 0.362 ko 2.1 2.3 0.082 0.090 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319
package information 74vhc14 14/16 doc id 5741 rev 9 figure 9. tape and reel tssop14 outline 1. drawing is not in scale. table 13. tape and reel tssop14 mechanical data symbol dimensions mm inch min. typ. max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.7 6.9 0.264 0.272 bo 5.3 5.5 0.209 0.217 ko 1.6 1.8 0.063 0.071 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319
74vhc14 revision history doc id 5741 rev 9 15/16 8 revision history table 14. document revision history date revision changes 12-nov-2004 6 ordering codes revision - pag. 1 02-may-2007 7 document reformatted, updated table 6 on page 6 15-jun-2012 8 added applications on page 1 updated table 1: device summary on page 1 updated t op in table 5: recommended operating conditions updated ecopack ? text in section 7: package information minor textual updates 03-oct-2012 9 added esd performance into features . added 74vhc14ymtr device and ?marking? to tab le 1 , updated note 1 below ta b l e 1 . updated section 3: maximum ratings (added cross-references) reformatted section 7: package information . minor corrections throughout document.
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