74HC390 Philips, 74HC390 Datasheet - Page 7

• Manufacturer Part Number: 74HC390
• Description: Dual decade ripple counter
• Manufacturer: Philips

Philips Semiconductors
AC WAVEFORMS
PACKAGE OUTLINES
See
December 1990
Dual decade ripple counter
(1) HC : V
Fig.6
(1) HC : V
Fig.7
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
HCT : V
HCT : V
Waveforms showing the clock (nCP
transition times and the maximum clock frequency.
Waveforms showing the master reset (nMR) pulse width, the master reset to output (nQ
delays and the master reset to clock (nCP
M
M
M
M
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
CC
CC
.
.
n
) to output (nQ
n
) removal time.
.
7
n
) propagation delays, the clock pulse width, the output
74HC/HCT390
Product specification
n
) propagation