1/9 july 2001 n high speed: t pd = 5.0ns (typ.) at v cc =5v n low power dissipation: i cc =1 m a(max.) at t a =25 c n typical hysteresis: v h =700mv at v cc =4.5v n power down protection on input n symmetrical output impedance: |i oh |=i ol = 8ma (min) at v cc = 4.5v n balanced propagation delays: t plh @ t phl n operating voltage range: v cc (opr) = 4.5v to 5.5v n improved latch-up immunity description the 74v1t14 is an advanced high-speed cmos single schmitt inverter fabricated with sub-micron silicon gate and double-layer metal wiring c 2 mos technology. the internal circuit is composed of 3 stages including buffer output, which provide high noise immunity and stable output. power down protection is provided on input and 0 to 7v can be accepted on input with no regard to the supply voltage. this device can be used to interface 5v to 3v. pin configuration and function are the same as those of the 74v1t04 but the 74v1t14 has hysteresis. this together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals. the input is equipped with protection circuits against static discharge, giving it esd immunity and transient excess voltage. 74v1t14 single schmitt inverter pin connection and iec logic symbols order codes package t & r sot23-5l 74V1T14STR sot323-5l 74v1t14ctr sot323-5l sot23-5l
74v1t14 2/9 input equivalent circuit pin description truth table absolute maximum ratings absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied. recommended operating conditions pin no symbol name and function 1 nc not connected 2 1a data input 4 1y data output 3 gnd ground (0v) 5 v cc positive supply voltage ay lh hl 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 or i gnd dc v cc or ground current 50 ma t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 260 c symbol parameter value unit v cc supply voltage 4.5 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 -55 to 125 c
74v1t14 3/9 dc specifications ac electrical characteristics (input t r =t f = 3ns) (*) voltage range is 5.0v 0.5v capacitive characteristics 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 test circuit). average operating current can be obtained by the following equation. i cc(opr) =c pd xv cc xf in +i cc 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 t+ high level threshold voltage 4.5 0.9 2.0 0.9 2.0 0.9 2.0 v 5.5 1.1 2.0 1.1 2.0 1.1 2.0 v t- low level threshold voltage 4.5 0.5 1.5 0.5 1.5 0.5 1.5 v 5.5 0.6 1.6 0.6 1.6 0.6 1.6 v h hysteresis voltage 4.5 0.4 1.4 0.4 1.4 0.4 1.4 v 5.5 0.5 1.6 0.5 1.6 0.5 1.6 v oh high level output voltage 4.5 i o =-50 m a 4.4 4.5 4.4 4.4 v 4.5 i o =-8 ma 3.94 3.8 3.7 v ol low level output voltage 4.5 i o =50 m a 0.0 0.1 0.1 0.1 v 4.5 i o =8 ma 0.36 0.44 0.55 i i input leakage current 0to 5.5 v i = 5.5v or gnd 0.1 1.0 1.0 m a i cc quiescent supply current 5.5 v i =v cc or gnd 11020 m a i cc additional worst case supply current 5.5 one input at 3.4v, other input at v cc or gnd 1.35 1.5 1.5 ma 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 5.0 (*) 15 5.0 7.5 1.0 9.0 1.0 10.5 ns 5.0 (*) 50 6.5 8.5 1.0 10.0 1.0 11.5 symbol parameter test condition value unit t a =25 c -40 to 85 c -55 to 125 c min. typ. max. min. max. min. max. c in input capacitance 4101010pf c pd power dissipation capacitance (note 1) 14 pf
74v1t14 4/9 test circuit c l = 15/50pf or equivalent (includes jig and probe capacitance) r t =z out of pulse generator (typically 50 w ) waveform: propagation delay (f=1mhz; 50% duty cycle)
74v1t14 5/9 dim. mm. mils min. typ max. min. typ. max. a 0.90 1.45 35.4 57.1 a1 0.00 0.15 0.0 5.9 a2 0.90 1.30 35.4 51.2 b 0.35 0.50 13.7 19.7 c 0.09 0.20 3.5 7.8 d 2.80 3.00 110.2 118.1 e 2.60 3.00 102.3 118.1 e1 1.50 1.75 59.0 68.8 e 0.95 37.4 e1 1.9 74.8 l 0.35 0.55 13.7 21.6 sot23-5l mechanical data
74v1t14 6/9 dim. mm. mils min. typ max. min. typ. max. a 0.80 1.10 31.5 43.3 a1 0.00 0.10 0.0 3.9 a2 0.80 1.00 31.5 39.4 b 0.15 0.30 5.9 11.8 c 0.10 0.18 3.9 7.1 d 1.80 2.20 70.9 86.6 e 1.80 2.40 70.9 94.5 e1 1.15 1.35 45.3 53.1 e 0.65 25.6 e1 1.3 51.2 l 0.10 0.30 3.9 11.8 sot323-5l mechanical data
74v1t14 7/9 dim. mm. inch min. typ max. min. typ. max. a 180 7.086 c 12.8 13.0 13.2 0.504 0.512 0.519 d 20.2 0.795 n 60 2.362 t 14.4 0.567 ao 3.13 3.23 3.33 0.123 0.127 0.131 bo 3.07 3.17 3.27 0.120 0.124 0.128 ko 1.27 1.37 1.47 0.050 0.054 0.0.58 po 3.9 4.0 4.1 0.153 0.157 0.161 p 3.9 4.0 4.1 0.153 0.157 0.161 tape & reel sot23-xl mechanical data
74v1t14 8/9 dim. mm. inch min. typ max. min. typ. max. a 175 180 185 6.889 7.086 7.283 c 12.8 13 13.2 0.504 0.512 0.519 d 20.2 0.795 n 59.5 60 60.5 2.362 t 14.4 0.567 ao 2.25 0.088 bo 2.7 0.106 ko 1.2 0.047 po 3.98 4 4.2 0.156 0.157 0.165 p 3.98 4 4.2 0.156 0.157 0.165 tape & reel sot323-xl mechanical data
74v1t14 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringe ment of patents or other righ ts of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this pub lication are subject to change without notice. thi s pub lication supersedes and replaces all information previously supplied. stmicroelectronics prod ucts are not authori zed for use as critical components in life suppo rt devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2001 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malaysia - malta - morocco singapore - spain - sweden - swit zerland - united kingdom ? http://w ww.st.com 9/9
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