74AC161M STMicroelectronics, 74AC161M Datasheet - Page 6

• Manufacturer Part Number: 74AC161M
• Description: Counter ICs Sync Binary Counter
• Manufacturer: STMicroelectronics

Specifications of 74AC161M

• Logic Family: 74AC
• Number Of Bits: 4
• Counting Method: Synchronous
• Counting Sequence: Up
• Mounting Style: SMD/SMT
• Package / Case: SO-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

74AC161
AC ELECTRICAL CHARACTERISTICS (C
(*) Voltage range is 3.3V
(**) Voltage range is 5.0V
6/13
t
t
t
Symbol
PLH
PLH
PLH
t
f
t
t
REM
t
MAX
PHL
PHL
t
WL
t
t
t
t
t
t
W
s
h
s
h
s
h
t
t
t
PHL
PHL
PHL
Propagation Delay
Time CLOCK to Q
Propagation Delay
Time CLOCK to
CARRY OUT
Propagation Delay
Time TE to CARRY
OUT
Propagation Delay
Time CLEAR to Q
Propagation Delay
Time CLEAR to
CARRY OUT
CLEAR Pulse
Width LOW
CLOCK Pulse
Width HIGH or
LOW
Setup Time HIGH
or LOW (INPUT to
CLOCK)
Hold Time HIGH or
LOW (INPUT to
CLOCK)
Setup Time HIGH
or LOW (CLEAR to
CLOCK)
Hold Time HIGH or
LOW (CLEAR to
CLOCK)
Setup Time HIGH
or LOW (PE or TE
to CLOCK)
Hold Time HIGH or
LOW (PE or TE to
CLOCK)
Recovery Time
(CLEAR to
CLOCK)
Maximum Clock
Frequency
Parameter
0.3V
0.5V
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
V
(V)
CC
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(**)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
Test Condition
L
= 50 pF, R
Min.
110
70
L
= 500
T
A
Typ.
-1.0
-0.5
-2.5
-2.0
-1.0
-0.5
-1.0
-0.5
= 25°C
125
7.0
5.0
8.5
6.0
5.5
3.5
6.5
5.5
7.0
5.5
3.0
2.5
2.0
2.0
4.0
1.5
3.0
2.0
3.0
2.0
90
, Input t
Max.
12.0
14.0
10.0
12.0
12.0
13.5
11.5
-1.0
9.0
9.5
6.5
9.0
9.5
5.5
4.5
3.5
3.0
8.5
0.5
7.5
0.5
6.0
4.5
0.5
0
0
0
0
Value
Min.
-40 to 85°C
r
60
95
= t
f
= 3ns)
Max.
13.0
10.0
15.0
11.0
11.0
13.0
10.0
13.0
10.0
16.0
10.5
14.0
7.5
7.5
6.0
4.0
3.5
0.5
1.0
8.5
1.0
7.0
5.0
0.5
0.5
1.0
0
0
-55 to 125°C
Min.
60
95
Max.
13.0
10.0
15.0
11.0
11.0
13.0
10.0
13.0
10.0
16.0
10.5
14.0
7.5
7.5
6.0
4.0
3.5
0.5
1.0
8.5
1.0
7.0
5.0
0.5
0.5
1.0
0
0
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns