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74ACT11478 Datasheet(Hoja de datos) 2 Page - Texas Instruments

No. de Pieza. 74ACT11478
Descripción  METASTABLE-RESISTAND OCTAL D-TYPE DUAL-RANK FLIP-FLOP WITH 3-STATE OUTPUTS
Descarga  5 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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74ACT11478
METASTABLERESISTAND OCTAL DTYPE DUALRANK FLIPFLOP
WITH 3-STATE OUTPUTS
SCAS131 − APRIL 1990 − REVISED APRIL 1993
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
logic symbol
logic diagram (positive logic)
CLK
OE
1D
C1
1D
24
13
23
8D
7D
6D
5D
4D
3D
2D
1D
CLK
OE
14
15
16
17
20
21
22
23
13
24
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
12
11
10
9
4
3
2
1
1D
C1
EN
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
1D
1D
C1
1
1Q
To Seven Other Flip-Flops
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
− 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
− 0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Note 1)
− 0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC)
± 20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC)
± 50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC)
± 50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
± 200 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
NOTE 1: The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
recommended operating conditions
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VI
Input voltage
0
VCC
V
VO
Output voltage
0
VCC
V
IOH
High-level output current
−24
mA
IOL
Low-level output current
24
mA
Dt/Dv
Input transition rise or fall rate
0
10
ns /V
TA
Operating free-air temperature
−40
85
°C




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