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74VHCT257A Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 74VHCT257A
Description  QUAD 2 CHANNEL MULTIPLEXER 3-STATE
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHCT257A Datasheet(HTML) 3 Page - STMicroelectronics

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RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Valu e
Uni t
VCC
Supply Voltage
4.5 to 5.5
V
VI
Input Voltage
0 to 5.5
V
VO
Output Voltage (see note 1)
0 to 5.5
V
VO
Output Voltage (see note 2)
0 to VCC
V
Top
Operating Temperature
-40 to +85
oC
dt/dv
Input Rise and Fall Time (see note 3) (VCC =5.0
± 0.5V)
0 to 20
ns/V
1) Output in OFF State
2) High or Low State
3)VIN from0.8V to 2 V
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Val ue
Unit
VCC
Supply Voltage
-0.5 to +7.0
V
VI
DC Input Voltage
-0.5 to +7.0
V
VO
DC Output Voltage (see note 1)
-0.5 to +7.0
V
VO
DC Output Voltage (see note 2)
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
- 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 25
mA
ICC or IGND DC VCC or Ground Current
± 50
mA
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
1) Output in OFF State
2) High or Low State
74VHCT257A
3/9


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