74HC161 Philips, 74HC161 Datasheet - Page 12

• Manufacturer Part Number: 74HC161
• Description: Presettable synchronous 4-bit binary counter asynchronous reset
• Manufacturer: Philips

Philips Semiconductors
PACKAGE OUTLINES
See
December 1990
Presettable synchronous 4-bit binary
counter; asynchronous reset
The shaded areas indicate when the input is permitted to change
for predictable output performance.
(1) HC : V
The shaded areas indicate when the input is
permitted to change for predictable output
performance.
(1) HC : V
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
HCT: V
HCT: V
Fig.11 Waveforms showing the set-up and hold times for the input (D
M
M
M
M
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
Fig.12 Waveforms showing the CEP and CET set-up and hold times.
CC
CC
.
.
.
12
n
) and parallel enable input PE.
74HC/HCT161
Product specification