74HC161 Philips, 74HC161 Datasheet - Page 8

• Manufacturer Part Number: 74HC161
• Description: Presettable synchronous 4-bit binary counter asynchronous reset
• Manufacturer: Philips

Philips Semiconductors
December 1990
SYMBOL PARAMETER
t
t
f
su
h
max
Presettable synchronous 4-bit binary
counter; asynchronous reset
set-up time
hold time
maximum clock pulse
CEP, CET to CP
D
CET to CP
frequency
n
, PE, CEP,
min. typ.
170
34
29
0
0
0
4.6
23
27
47
17
14
13
40
48
14
5
4
25
max. min. max.
T
215
43
37
0
0
0
3.6
18
21
amb
74HC
8
40 to 85
( C)
min.
255
51
43
0
0
0
3.0
15
18
40 to 125
max.
UNIT
ns
ns
MHz
74HC/HCT161
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
V
TEST CONDITIONS
(V)
Product specification
CC
WAVEFORMS
Fig.12
Figs 11 and 12
Fig.8