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IN74AC251

PinoutSpecifications Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) -0.5 to +7.0 V VIN DC Input Voltage (Referenced to GND) -0.5 to VCC +0.5 V VOUT DC Output Voltage (Referenced to GND) -0.5 to VCC +0.5 V IIN DC Input...

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SeekIC No. : 004374782 Detail

IN74AC251: PinoutSpecifications Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) -0.5 to +7.0 V VIN DC Input Voltage (Referenced to GND) -0.5 to VCC +0...

IN74AC251 Data Sheet

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Part Number:
IN74AC251
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
VCC
 DC Supply Voltage (Referenced to GND)
-0.5 to +7.0
V
VIN
 DC Input Voltage (Referenced to GND)
-0.5 to VCC +0.5
V
VOUT
 DC Output Voltage (Referenced to GND)
-0.5 to VCC +0.5
V
IIN
 DC Input Current, per Pin
±20
mA
IOUT
 DC Output Sink/Source Current, per Pin
±50
mA
ICC
 DC Supply Current, VCC and GND Pins
±50
mA
PD
 Power Dissipation in Still Air, Plastic DIP+
SOIC Package+
750
500
mW
Tstg
 Storage Temperature
-65 to +150
TL
 Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
260



Description

The IN74AC251 is identical in pinout to the LS/ALS251,HC/HCT251. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs.

The device selects one of the eight binary Data Inputs, as determined by the Address Inputs. The Output Enable pin must be at a low level for the selected data to appear at the outputs. If Output Enable is high, the Y and the Y outputs are in the high-impedance state. This 3-State feature allows the IN74AC251 to be used in busoriented systems.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 A; 0.1 A @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA




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