74VHCT05A hex inverter (open drain) august 1999 n high speed: t pd = 3.2 ns (typ.) at v cc =5v n low power dissipation: i cc =2 m a (max.) at t a =25 o c n compatible with ttl outputs: v ih =2v(min),v il = 0.8v (max) n power down protection on inputs n operating voltage range: v cc (opr) = 4.5v to 5.5v n pin and function compatible with 74 series 05 n improved latch-up immunity n low noise: v olp = 0.8v (max.) description the 74VHCT05A is an advanced high-speed cmos open drain hex 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 provides high noise immunity and stable output. power down protection is provided on all inputs and 0 to 7v can be accepted on inputs with no regard to the supply voltage. this device can be used to interface 5v to 3v. all inputs and outputs are equipped with protection circuits against static discharge, giving them 2kv esd immunity and transient excess voltage. pin connection and iec logic symbols order codes : 74VHCT05Am 74VHCT05At m (micro package) t (tssop package) ? 1/7
truth table ay lz hl z: high impedance pin description pin no 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 (0v) 14 v cc positive supply voltage input equivalent circuit recommended operating conditions 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 -40 to +85 o c dt/dv input rise and fall time (see note 1) (v cc =5.0 0.5v) 0 to 20 ns/v 1) v in from 0.8v to 2 v 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 or i gnd dc v cc or ground current 50 ma t stg storage temperature -65 to +150 o c t l lead temperature (10 sec) 300 o c absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these condition is not implied. 74VHCT05A 2/7
dc specifications symbol parameter test conditions value unit v cc (v) t a =25 o c -40 to 85 o c min. typ. max. min. max. v ih high level input voltage 4.5 to 5.5 2 2 v v il low level input voltage 4.5 to 5.5 0.8 0.8 v v ol low level output voltage 4.5 i o =50 m a 0.0 0.1 0.1 v 4.5 i o =8 ma 0.36 0.44 i oz high impedance output leakage current 5.5 v i =v ih or v il v o = 0v to 5.5v 0.25 2.5 m a i i input leakage current 0 to 5.5 v i = 5.5v or gnd 0.1 1.0 m a i cc quiescent supply current 5.5 v i =v cc or gnd 2 20 m a d 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 ma capacitive characteristics symbol parameter test conditions value unit t a =25 o c -40 to 85 o c min. typ. max. min. max. c in input capacitance 4 10 10 pf c out output capacitance 5 pf c pd power dissipation capacitance (note 1) 6pf 1) c pd isdefined as the value of the ic'sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (refert o test circuit).average operating current can be obtained by the following equation. i cc (opr) = c pd ? v cc ? f in +i cc /6 (per gate) 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 o c -40 to 85 o c min. typ. max. min. max. t pzl propagation delay time 5.0 15 3.2 4.2 1.0 4.8 ns 5.0 50 4.2 5.5 1.0 6.4 t plz propagation delay time 5.0 50 7.5 9.8 1.0 11.3 ns (*) voltage range is 5v 0.5v 74VHCT05A 3/7
test circuit waveform: propagation delays (f=1mhz; 50% duty cycle) c l = 15/50 pf or equivalent (includes jig and probe capacitance) r l =r 1 =1k w or equivalent r t =z out of pulse generator (typically 50 w ) dynamic switching characteristics symbol parameter test conditions value unit v cc (v) t a =25 o c -40 to 85 o c min. typ. max. min. max. v olp dynamic low voltage quiet output (note 1, 2) 5.0 c l =50pf 0.4 0.8 v v olv -0.8 -0.4 v ihd dynamic high voltage input (note 1, 3) 5.0 2.0 v ild dynamic low voltage input (note 1, 3) 5.0 0.8 1) worst case package. 2) max number of outputs defined as (n). data inputs are driven 0v to 3.0, (n -1) outputs switching and one output atgnd. 3) max number of data inputs (n) switching. (n-1) switching 0v to3.0v. inputs under test switching: 3.0v to threshold (v ild ), 0v to threshold (v ihd ), f=1mhz. 74VHCT05A 4/7
dim. mm inch min. typ. max. min. typ. max. a 1.75 0.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.5 0.019 c1 45 (typ.) d 8.55 8.75 0.336 0.344 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 7.62 0.300 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m 0.68 0.026 s 8 (max.) p013g so-14 mechanical data 74VHCT05A 5/7
dim. mm inch min. typ. max. min. typ. max. a 1.1 0.433 a1 0.05 0.10 0.15 0.002 0.004 0.006 a2 0.85 0.9 0.95 0.335 0.354 0.374 b 0.19 0.30 0.0075 0.0118 c 0.09 0.20 0.0035 0.0079 d 4.9 5 5.1 0.193 0.197 0.201 e 6.25 6.4 6.5 0.246 0.252 0.256 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0 o 4 o 8 o 0 o 4 o 8 o l 0.50 0.60 0.70 0.020 0.024 0.028 c e b a2 a e1 d 1 pin 1 identification a1 l k e tssop14 mechanical data 74VHCT05A 6/7
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