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SN74ALS874BDWR Datasheet(PDF) 5 Page - Texas Instruments

Part No. SN74ALS874BDWR
Description  DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ALS874B, SN74ALS874B, SN74ALS876A
SN74AS874, SN74AS876
DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS
SDAS061C – APRIL 1982 – REVISED JANUARY 1995
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX†
UNIT
SN54ALS874B
SN74ALS874B
MIN
MAX
MIN
MAX
fmax
25
30
MHz
tPLH
CLK
An Q
4
18
4
14
ns
tPHL
CLK
Any Q
4
16
4
14
ns
tPHL
CLR
Any Q
5
23
5
17
ns
tPZH
OE
An Q
4
24
4
18
ns
tPZL
OE
Any Q
4
21
4
18
ns
tPHZ
OE
Any Q
2
15
2
10
ns
tPLZ
OE
Any Q
3
22
3
12
ns
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX†
UNIT
SN74ALS876A
MIN
MAX
fmax
30
MHz
tPLH
CLK
An Q
4
14
ns
tPHL
CLK
Any Q
4
14
ns
tPHL
PRE
Any Q
6
19
ns
tPZH
OE
An Q
4
18
ns
tPZL
OE
Any Q
4
18
ns
tPHZ
OE
Any Q
2
10
ns
tPLZ
OE
Any Q
3
13
ns
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN74AS874, SN74AS876
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.




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