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74AC11874 Datasheet, PDF (4/7 Pages) Texas Instruments – DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOP WITH 3-STATE OUTPUTS | |||
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74AC11874
DUAL 4ÄBIT DÄTYPE EDGEÄTRIGGERED FLIPÄFLOP
WITH 3ÄSTATE OUTPUTS
SCAS236 â MARCH 1990 â REVISED APRIL 1993
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
fclock
tw
Clock frequency
Pulse duration
tsu
Setup time before CLKâ
th
Hold time after CLKâ
CLR low
CLK high or low
Data
CLR inactive
Data
TA = 25°C
MIN MAX
0
60
4
8.3
3
1.5
1
MIN MAX UNIT
0
60 MHz
4
ns
8.3
3
ns
1.5
1
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
fclock
tw
Clock frequency
Pulse duration
tsu
Setup time before CLKâ
th
Hold time after CLKâ
CLR low
CLK high or low
Data
CLR inactive
Data
TA = 25°C
MIN MAX
0 125
4
4
2
1.5
1
MIN MAX UNIT
0 125 MHz
4
ns
4
2
ns
1.5
1
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 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
tPHL
tPZH
tPZL
tPHZ
tPLZ
CLK
CLR
OE
OE
60
60
2.9 7.3
11 2.9
Q
3.7 8.8 13.1 3.7
Q
3.9 9.3
14 3.9
2.1 5.6 8.7 2.1
Q
3.1 8.4 13.1 3.1
4 6.2 8.2
4
Q
3.9 6.3 8.5 3.9
MAX
12.5
14.6
15.7
9.8
14.9
8.7
9
UNIT
MHz
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
MIN
MIN TYP MAX
fmax
tPLH
tPHL
tPHL
tPZH
tPZL
tPHZ
tPLZ
CLK
CLR
OE
OE
125
125
2.3 5.2 7.4 2.3
Q
2.9 6.1 8.6 2.9
Q
2.9 6.3 8.9 2.9
1.5
4 5.9 1.5
Q
2.3 5.4 7.8 2.3
3.8 5.7 7.3 3.8
Q
3.7 5.5 7.1 3.7
MAX
8.3
9.6
10
6.6
8.8
7.7
7.5
UNIT
MHz
ns
ns
ns
ns
4
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
⢠POST OFFICE BOX 1443 HOUSTON, TEXAS 77251â1443
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