Datasheet

December 1990 8
Philips Semiconductors Product specification
8-bit parallel-in/serial-out shift register 74HC/HCT165
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
CE, CP to Q
7
, Q
7
17 34 43 51 ns 4.5 Fig.6
t
PHL
/ t
PLH
propagation delay
PL to Q
7
, Q
7
20 40 50 60 ns 4.5 Fig.6
t
PHL
/ t
PLH
propagation delay
D
7
to Q
7
, Q
7
14 28 35 42 ns 4.5 Fig.6
t
THL
/ t
TLH
output transition time 7 15 19 22 ns 4.5 Fig.6
t
W
clock pulse width
HIGH or LOW
16 6 20 24 ns 4.5 Fig.6
t
W
parallel load pulse
width; LOW
20 9 25 30 ns 4.5 Fig.6
t
rem
removal time
PL to CP, CE
20 8 25 30 ns 4.5 Fig.6
t
su
set-up time
D
s
to CP, CE
20 2 25 30 ns 4.5 Fig.6
t
su
set-up time
CE to CP; CP to CE
20 7 25 30 ns 4.5 Fig.6
t
su
set-up time
D
n
to PL
20 10 25 30 ns 4.5 Fig.6
t
h
hold time
D
s
to CP, CE; D
n
to PL
7 −1 9 11 ns 4.5 Fig.6
t
h
hold time
CE to CP, CP to CE
0 −7 0 0 ns 4.5 Fig.6
f
max
maximum clock pulse
frequency
26 44 21 17 MHz 4.5 Fig.6