74HC163 Philips, 74HC163 Datasheet - Page 11

• Manufacturer Part Number: 74HC163
• Description: Presettable synchronous 4-bit binary counter synchronous reset
• Manufacturer: Philips

Philips Semiconductors
APPLICATION INFORMATION
The HC/HCT163 facilitate designing counters of any
modulus with minimal external logic.
The output is glitch-free due to the synchronous reset.
December 1990
Presettable synchronous 4-bit binary
counter; synchronous 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
HCT: V
HCT: V
M
M
M
M
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
Fig.13 Modulo-5 counter.
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.
Fig.11 Waveforms showing the MR set-up and hold times.
CC
CC
.
.
11
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
Fig.14 Modulo-11 counter.
74HC/HCT163
Product specification
.