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SN74ALS841 Datasheet(Fiches technique) 5 Page - Texas Instruments

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Numéro de pièce SN74ALS841
Description  10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
Télécharger  9 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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SN74ALS841, SN74AS841A, SN74ALS842
10-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDAS059C – DECEMBER 1983 – 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
SN74ALS841
MIN
MAX
tPLH
D
Q
2
13
ns
tPHL
D
Q
2
13
ns
tPLH
LE
Q
7
21
ns
tPHL
LE
Q
8
26
ns
tPZH
OE
Q
2
12
ns
tPZL
OE
Q
2
12
ns
tPHZ
OE
Q
2
10
ns
tPLZ
OE
Q
2
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
SN74ALS842
MIN
MAX
tPLH
D
Q
4
18
ns
tPHL
D
Q
3
13
ns
tPLH
LE
Q
8
27
ns
tPHL
LE
Q
6
20
ns
tPZH
OE
Q
2
12
ns
tPZL
OE
Q
2
12
ns
tPHZ
OE
Q
1
10
ns
tPLZ
OE
Q
2
12
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: SN74AS841A
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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