Datasheet

January 1995 6
Philips Semiconductors Product specification
8-bit static shift register
HEF4021B
MSI
Fig.4 Waveforms showing minimum clock pulse width, set-up time and hold time for CP and D
S
.
Fig.5 Waveforms showing minimum PL pulse width, recovery time for PL, and set-up and hold times for P
n
to
PL. Set-up and hold times are shown as positive values but may be specified as negative values.