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SN54ALS534A Datasheet(数据表) 4 Page - Texas Instruments

部件型号  SN54ALS534A
说明  OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
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SN54ALS534A Datasheet(HTML) 4 Page - Texas Instruments

   
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SN54ALS534A, SN74ALS534A, SN74AS534
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS168B – APRIL 1982 – REVISED JULY 1996
4
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
SN54ALS534A
SN74ALS534A
MIN
MAX
MIN
MAX
fmax
30
35
MHz
tPLH
CLK
An Q
3
17
3
12
ns
tPHL
CLK
Any Q
4
18
4
16
ns
tPZH
OE
An Q
3
19
3
17
ns
tPZL
OE
Any Q
4
20
4
18
ns
tPHZ
OE
Any Q
1
12
1
10
ns
tPLZ
OE
Any Q
1
25
2
14
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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage applied to a disabled 3-state output
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN74AS534
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature rang, Tstg
–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.
recommended operating conditions
SN74AS534
UNIT
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IOH
High-level output current
–15
mA
IOL
Low-level output current
48
mA
fclock
Clock frequency
0
125
MHz
t
Pulse duration
CLK high
4
ns
tw
Pulse duration
CLK low
3
ns
tsu
Setup time, data before CLK
2
ns
th
Hold time, data after CLK
2
ns
TA
Operating free-air temperature
0
70
°C




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