NXP Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
V
I
negative
pulse
GND
t
W
90 %
V
M
10 %
t
f
t
r
t
r
t
f
90 %
V
M
10 %
t
W
V
CC
G
VI
VO
V
M
V
I
positive
pulse
GND
V
M
DUT
RT
CL
001aah768
Test data is given in
Definitions test circuit:
R
T
= termination resistance should be equal to output impedance Z
o
of the pulse generator.
C
L
= load capacitance including jig and probe capacitance.
Fig 10. Test circuit for measuring switching times
Table 9.
Type
74HC164
74HCT164
Test data
Input
V
I
V
CC
3.0 V
t
r
, t
f
6.0 ns
6.0 ns
Load
C
L
15 pF, 50 pF
15 pF, 50 pF
t
PLH
, t
PHL
t
PLH
, t
PHL
Test
74HC_HCT164_4
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 04 — 2 February 2010
11 of 20
PHILIPS [ NXP SEMICONDUCTORS ]
