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74ACT11873 Datasheet(Hoja de datos) 3 Page - Texas Instruments

No. de Pieza. 74ACT11873
Descripción  DUAL 4-BIT D-TYPE LATCH WITH 3-STATE OUTPUTS
Descarga  7 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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74ACT11873
DUAL 4BIT DTYPE LATCH
WITH 3-STATE OUTPUTS
SCAS096 − FEBRUARY 1990 − REVISED APRIL 1993
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
UNIT
IOH = − 50 A
4.5 V
4.4
4.4
IOH = − 50 mA
5.5 V
5.4
5.4
VOH
IOH = − 24 mA
4.5 V
3.94
3.8
V
VOH
IOH = − 24 mA
5.5 V
4.94
4.8
V
IOH = − 75 mA†
5.5 V
3.85
IOL = 50 A
4.5 V
0.1
0.1
IOL = 50 mA
5.5 V
0.1
0.1
VOL
IOL = 24 mA
4.5 V
0.36
0.44
V
VOL
IOL = 24 mA
5.5 V
0.36
0.44
V
IOL = 75 mA†
5.5 V
1.65
IOZ
VO = VCC or GND
5.5 V
± 0.5
± 5
mA
II
VI = VCC or GND
5.5 V
± 0.1
± 1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
80
mA
DICC‡
One input at 3.4 V,
5.5 V
0.9
1
mA
DICC‡
One input at 3.4 V,
Other inputs at GND or VCC
5.5 V
0.9
1mA
Ci
VI = VCC or GND
5 V
4.5
pF
Co
VO = VCC or GND
5 V
13.5
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V to VCC.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
TA = 25°C
MIN
MAX
UNIT
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLR low
5
5
ns
tw
Pulse duration
C high
5
5
ns
tsu
Setup time before C
Data high
6
6
ns
tsu
Setup time before C
Data low
3
3
ns
th
Hold time after C
Data high
0
0
ns
th
Hold time after C
Data low
0
0
ns




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