74act16101 STMicroelectronics, 74act16101 Datasheet - Page 6

• Manufacturer Part Number: 74act16101
• Description: Synchronous Presettable 4-bit Counter
• Manufacturer: STMicroelectronics

74ACT161
AC ELECTRICAL CHARACTERISTICS (C
(*) Voltage range is 5.0V
6/13
t
t
t
Symbol
PLH
PLH
PLH
t
t
f
t
REM
MAX
PHL
t
t
WL
t
t
t
t
t
t
W
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
TimeCLEAR to
CARRY OUT
CLEAR Pulse
Width LOW
CLOCK Pulse
Width (LOAD)
HIGH or LOW
CLOCK Pulse
Width (COUNT)
HIGH or LOW
Setup Time HIGH
or LOW (INPUT to
CLOCK)
Hold Time HIGH or
LOW
(INPUT to CLOCK)
Setup Time HIGH
or LOW
(LOAD to CLOCK)
Hold Time HIGH or
LOW
(LOAD 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 Q)
Maximum Clock
Frequency
Parameter
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
V
(V)
CC
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
(*)
Test Condition
L
= 50 pF, R
Min.
100
1.5
1.5
1.5
1.5
L
= 500
T
A
Typ.
-0.5
-2.0
-2.0
-0.5
= 25°C
290
5.5
6.0
4.5
6.0
2.5
2.0
2.0
1.5
2.0
1.5
, Input t
Max.
10.0
11.0
-0.5
9.5
8.5
3.0
3.0
3.0
9.5
8.5
5.5
0.5
0
0
Value
r
-40 to 85°C -55 to 125°C
Min.
= t
90
f
= 3ns)
Max.
10.5
12.0
10.0
11.0
11.5
7.5
3.5
3.5
1.0
9.5
6.5
0.5
1.0
0
Min.
85
Max.
10.5
12.0
10.0
11.0
11.5
7.5
3.5
3.5
1.0
9.5
6.5
0.5
1.0
0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns