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<strong>ITT</strong>54164, <strong>ITT</strong>74164<br />

8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS<br />

ELECTRICAL CHARACTERISTICS, over recommended operating free-air temperature range<br />

(unless otherwise noted)<br />

<strong>ITT</strong>54164<br />

Parameter Min Typ' Max<br />

<strong>ITT</strong>74164<br />

Min Typ' Max<br />

Unit<br />

Test Conditions 2<br />

VIH High-level input 2<br />

voltage<br />

2<br />

V<br />

VIL Low-level input 0.8<br />

voltage<br />

0.8<br />

V<br />

VI Input clamp voltage -1.5<br />

-1.5<br />

V<br />

VCC = MAX. II = -12mA<br />

VOH High-level output 2.4<br />

voltage<br />

2.4<br />

V<br />

VCC = MIN. VIH = 2V.<br />

VIL = 0.8V. 10H = -400uA<br />

VOL Low-level output 0.4<br />

voltage<br />

0.4<br />

V<br />

VCC = MIN. VIH = 2V.<br />

VIL = 0.8V. 10L = 8mA<br />

II Input current at 1<br />

maximum input<br />

voltage<br />

1<br />

mA<br />

VCC = MAX. VI = 5.5V<br />

IIH High-level input 40<br />

current<br />

40<br />

uA<br />

VCC = MAX. VI = 2.4V<br />

IlL Low-level input -1.6<br />

current<br />

-1.6<br />

mA<br />

VCC = MAX. VI = 0.4V<br />

lOS Short-circuit output -10 -:-27.5<br />

current 3<br />

-9 -27.5<br />

mA<br />

VCC = MAX<br />

ICC Supply current 30<br />

37 54<br />

30<br />

37 54<br />

mA<br />

VCC = MAX. vllclock) = 0.4 v<br />

See Note 2 I Vllclock) = 2.4 v<br />

Note<br />

2: ICC is measured with outputs open. serial .. puts grounaed. and a momentary ground. then 4.5V. applied<br />

to clear.<br />

, All typicalvaluesareatVcc = 5V. TA = 25°C.<br />

2 For conditions shown at MIN or MAX. use the appropriate value specified under recommended operating conditions<br />

for the applicable device type.<br />

3 Not more than two outputs should be shorted at a time.<br />

SWITCHING CHARACTERISTICS, Vee = 5V. TA = 25°e. N = 10<br />

Parameter Min Typ Max Unit Test Conditions<br />

.<br />

fmax Maximum input count frequency 25 36 MHz RL = 800n.CL = 15pF<br />

tpHL Propagation delay time. 24 36 ns RL = 800n .CL = 15 pF<br />

high-to-Iow-Ievel Q outputs from<br />

clear input<br />

28 42 CL = 50 pF RL = 800n<br />

tpLH Propagation delay time. 8 17 27 ns RL = 800n,CL = 15 pF<br />

low-to-high-Ievel Q outputs from<br />

clock input<br />

10 20 30 CL = 50 pF RL = BOOn<br />

tpHL Propagation delay time. 10 21 32 ns RL = BOOn.CL = 15 pF<br />

high-to-Iow-)evel Q outputs from<br />

clock input<br />

10 25 37 CL = 50pF RL = BOOn<br />

3-203

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