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74HC164 Datasheet, PDF (15/24 Pages) NXP Semiconductors – 8-bit serial-in/parallel-out shift register
Philips Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
VI
MR input
GND
VI
CP input
GND
VOH
Qn output
VOL
VM
tW
t rem
t PHL
VM
VM
001aac427
(1) 74HC164: VM = 50 %; VI = GND to VCC.
74HCT164: VM = 1.3 V; VI = GND to 3 V.
Fig 8. Waveforms showing the master reset (MR) pulse width, the master reset to output
(Qn) propagation delays and the master reset to clock (CP) removal time
VI
CP input
GND
VI
Dn input
GND
VM
t su
th
VM
t su
th
VOH
Qn output
VOL
VM
001aac428
(1) 74HC164: VM = 50 %; VI = GND to VCC.
74HCT164: VM = 1.3 V; VI = GND to 3 V.
The shaded areas indicate when the input is permitted to change for predictable output
performance.
Fig 9. Waveforms showing the data set-up and hold times for Dn inputs
9397 750 14693
Product data sheet
Rev. 03 — 4 April 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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