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MC74HC138A

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 Current, per Pin ± 20 ...

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MC74HC138A: 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 D...

MC74HC138A Data Sheet

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Part Number:
MC74HC138A
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 Current, per Pin ± 25 mA
ICC DC Supply Current, VCC and GND Pins ± 50 mA
PD Power Dissipation in still Air               Plastic DIP +
                                                         SOIC Package+
                                                       TSSOP Package+		 750
500
450		 mW
Tstg Storage Temperature -65to +150
TL Tead Temperature ,1mm form Case for 10 Seconds
                        Plastic DIP , SOIC or TSSOP Package
 260



Description

The MC74HC138A is identical in pinout to the LS138. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

The HC138A decodes a threebit Address to oneofeight activelow outputs. This device features three Chip Select inputs, two activelow and one activehigh to facilitate the demultiplexing, cascading, and chipselecting functions. The demultiplexing function of MC74HC138A is accomplished by using the Address inputs to select the desired device output; one of the Chip Selects is used as a data input while the other Chip Selects are held in their active states.




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