Datasheet

December 1990 7
Philips Semiconductors Product specification
8-bit serial-in/parallel-out shift register 74HC/HCT164
AC WAVEFORMS
Fig.6 Waveforms showing the clock (CP) to output (Q
n
) propagation delays, the clock pulse width, the output
transition times and the maximum clock frequency.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.7 Waveforms showing the master reset (MR) pulse width, the master reset to output (Q
n
) propagation
delays and the master reset to clock (CP) removal time.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.8 Waveforms showing the data set-up and hold times for D
n
inputs.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT : V
M
= 1.3 V; V
I
= GND to 3 V.