74AC11191 Datasheet, PDF (7/10 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER

74AC11191
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER
SCAS105A – FEBRUARY 1990 – REVISED APRIL 1993
timing requirements over recommended operating free-air temperature range,
V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
TA = 25°C
MIN
MIN MAX
fclock
tw
Clock frequency
Pulse duration
LOAD low
CLK high or low
0 100
0
4
4
7.2
7.2
Data before LOAD↑
3
3
tsu
Setup time
CTEN before CLK↑
D/U before CLK↑
8
8
8.5
8.5
LOAD inactive before CLK↑
2
2
Data after LOAD↑
1.5
1.5
th
Hold time
CTEN after CLK↑
D/U after CLK↑
0.5
0.5
0
0
MAX
100
UNIT
MHz
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
V_CC = 3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
MIN
MIN TYP MAX
fmax
tPLH
tPHL
LOAD
Any Q
50
80
50
3.7 10.7 13.4 3.7
3.6 9.3 12.3 3.6
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
LOAD
LOAD
A, B, C, or D
A, B, C, or D
A, B, C, or D
CLK
CLK
CLK
D/U
D/U
CTEN
MAX/MIN
RCO
Any Q
MAX/MIN
RCO
RCO
Any Q
MAX/MIN
RCO
MAX/MIN
RCO
5 14.2 18.7
5
4.6 12.6 17.5 4.6
5.2 15.4 20.2 5.2
6 15.7 21.6
6
3.4 9.8 12.3 3.4
3.5 8.9 12.1 3.5
4.7 13.5 18.2 4.7
4 11.8 17.1
4
5 14.7 19.9
5
5.3 15.1 21.1 5.3
2.8 8.7 11.5 2.8
2.8 7.8 10.6 2.8
2.2 7.5 9.8 2.2
2.7 7.5
11 2.7
3.7 9.9 12.2 3.7
4.1 10.2 14.4 4.1
4.1 11.2 14.4 4.1
4.1 10.2 14.3 4.1
2.7 8.7 11.5 2.7
3.1 8.3 11.8 3.1
2.5 7.2
9 2.5
2.6 6.6 8.8 2.6
MAX
14.9
14.1
21.1
19.6
22.9
24.7
13.8
13.7
20.7
19.3
22.5
24.3
12.9
11.9
11.1
12.7
13.8
16
15.9
16.5
12.7
13.6
10.3
10
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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