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74LCX257 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. 74LCX257
Description  Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74LCX257 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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Absolute Maximum Ratings(Note 1)
Recommended Operating Conditions (Note 4)
Note 2: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated
at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The “Recom-
mended Operating Conditions” table will define the conditions for actual device operation.
Note 3: IO Absolute Maximum rating must be observed.
Note 4: Unused Inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol
Parameter
Value
Conditions
Units
VCC
Supply Voltage
−0.5 to +7.0
V
VI
DC Input Voltage
−0.5 to +7.0
V
VO
DC Output Voltage
−0.5 to +7.0
Output in 3-STATE
V
−0.5 to V
CC + 0.5
Output in HIGH or LOW State (Note 2)
IIK
DC Input Diode Current
−50
VI < GND
mA
IOK
DC Output Diode Current
−50
VO < GND
mA
+50
VO > VCC
IO
DC Output Source/Sink Current
±50
mA
ICC
DC Supply Current per Supply Pin
±100
mA
IGND
DC Ground Current per Ground Pin
±100
mA
TSTG
Storage Temperature
−65 to +150
°C
Symbol
Parameter
Min
Max
Units
VCC
Supply Voltage
Operating
2.0
3.6
V
Data Retention
1.5
3.6
VI
Input Voltage
05.5
V
VO
Output Voltage
HIGH or LOW State
0
VCC
V
3-STATE
0
5.5
IOH/IOL
Output Current
VCC = 3.0V − 3.6V
±24
VCC = 2.7V − 3.0V
±12
mA
VCC = 2.3V − 2.7V
±8
TA
Free-Air Operating Temperature
−40
85
°C
∆t/∆V
Input Edge Rate, VIN = 0.8V–2.0V, VCC = 3.0V
0
10
ns/V
Symbol
Parameter
Conditions
VCC
TA = −40°C to +85°C
Units
(V)
Min
Max
VIH
HIGH Level Input Voltage
2.3
− 2.7
1.7
V
2.7
− 3.6
2.0
VIL
LOW Level Input Voltage
2.3
− 2.7
0.7
V
2.7
− 3.6
0.8
VOH
HIGH Level Output Voltage
IOH = −100 µA2.3 − 3.6
VCC − 0.2
V
IOH = −8 mA
2.3
1.8
IOH = −12 mA
2.7
2.2
IOH = −18 mA
3.0
2.4
IOH = −24 mA
3.0
2.2
VOL
LOW Level Output Voltage
IOL = 100 µA2.3 − 3.6
0.2
V
IOL = 8 mA
2.3
0.6
IOL = 12 mA
2.7
0.4
IOL = 16 mA
3.0
0.4
IOL = 24 mA
3.0
0.55
II
Input Leakage Current
0
≤ V
I ≤ 5.5V
2.3
− 3.6
±5.0
µA
IOZ
3-STATE Output Leakage
0
≤ V
O ≤ 5.5V
2.3
− 3.6
±5.0
µA
VI = VIH or VIL
IOFF
Power-Off Leakage Current
VI or VO = 5.5V
0
10
µA


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