74HC/HCT161 Philips Semiconductors (Acquired by NXP), 74HC/HCT161 Datasheet - Page 7

• Manufacturer Part Number: 74HC/HCT161
• Description: Presettable Synchronous 4-bit Binary Counter; Asynchronous Reset
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
t
t
PHL
PHL
PHL
PHL
PHL
THL
W
W
rem
su
su
Presettable synchronous 4-bit binary
counter; asynchronous reset
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
clock pulse width
master reset pulse
removal time
set-up time
set-up time
r
= t
CP to Q
CP to TC
MR to Q
MR to TC
CET to TC
HIGH or LOW
width; LOW
MR to CP
D
PE to CP
n
f
to CP
= 6 ns; C
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ.
80
16
14
80
16
14
100
20
17
80
16
14
100
20
17
61
22
18
69
25
20
63
23
18
63
23
18
33
12
10
19
7
6
22
8
6
19
7
6
19
7
6
25
9
7
30
11
9
25
max. min. max.
190
38
32
215
43
37
210
42
36
220
44
37
150
30
26
75
15
13
T
100
20
17
100
20
17
125
25
21
100
20
17
125
25
21
amb
74HC
7
40 to 85
( C)
240
48
41
270
54
46
265
53
45
275
55
47
190
38
33
95
19
16
min.
120
24
20
120
24
20
150
30
26
120
24
20
150
30
26
40 to 125
max.
285
57
48
325
65
55
315
63
54
330
66
56
225
45
38
110
22
19
.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
74HC/HCT161
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
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.8
Fig.8
Fig.9
Fig.9
Fig.10
Figs 8 and 10
Fig.8
Fig.9
Fig.9
Fig.11
Fig.11