Nexperia

74HC393-Q100; 74HCT393-Q100

Dual 4-bit binary ripple counter

001aah768

tW

tW

tr

tr

tf

VM

VI

negative

pulse

GND

VI

positive

pulse

GND

10 %

90 %

90 %

10 %

VM

VM

VM

tf

VCC

DUT

RT

VI

VO

CL

G

Test data is given in Table 9.

Definitions test circuit:

RT = termination resistance should be equal to output impedance Zo of the pulse generator.

CL = load capacitance including jig and probe capacitance.

Fig. 11. Test circuit for measuring switching times

Table 9. Test data

Input

Load

Type

VI

tr, tf

CL

Test

74HC393-Q100

VCC

6.0 ns

15 pF, 50 pF

tPLH, tPHL

74HCT393-Q100

3.0 V

6.0 ns

15 pF, 50 pF

tPLH, tPHL

74HC_HCT393_Q100

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Product data sheet

Rev. 3 — 22 October 2021

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