74HC163 Philips, 74HC163 Datasheet - Page 9

• Manufacturer Part Number: 74HC163
• Description: Presettable synchronous 4-bit binary counter synchronous reset
• Manufacturer: Philips

Philips Semiconductors
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PHL
PHL
THL
W
su
su
su
h
max
Presettable synchronous 4-bit binary
counter; synchronous reset
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
output transition time
clock pulse width
set-up time
set-up time
set-up time
hold time
maximum clock pulse
r
CP to Q
CP to TC
CET to TC
HIGH or LOW
MR, D
PE to CP
CEP, CET to CP
D
CET, MR to CP
frequency
= t
n
f
, PE, CEP,
PARAMETER
= 6 ns; C
n
n
to CP
L
= 50 pF
20
20
20
40
0
26
min. typ. max. min. max. min. max.
23
29
17
7
6
9
11
24
45
5
25
39
49
32
15
T
74HCT
amb
25
25
25
50
0
21
9
40 to 85
( C)
49
61
44
19
30
30
30
60
0
17
40 to 125
59
74
48
22
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
V
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
(V)
74HC/HCT163
CC
TEST CONDITIONS
Product specification
Fig.8
Fig.8
Fig.9
Figs 8 and 9
Fig.8
Figs 10 and 11
Fig.10
Fig.12
Figs 10, 11 and 12
Fig.8
WAVEFORMS