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74AC139

Features: · ICC reduced by 50%· Multifunction capability· Two completely independent 1-of-4 decoders· Active LOW mutually exclusive outputs· Outputs source/sink 24 mA· ACT139 has TTL-compatible inputsPinoutSpecificationsSupply Voltage (VCC). . . . . . . . . . . . −0.5V to +7.0VDC Input Diode...

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SeekIC No. : 004248880 Detail

74AC139: Features: · ICC reduced by 50%· Multifunction capability· Two completely independent 1-of-4 decoders· Active LOW mutually exclusive outputs· Outputs source/sink 24 mA· ACT139 has TTL-compatible inpu...

74AC139 Data Sheet

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Part Number:
74AC139
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/21

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Product Details

Description



Features:

·  ICC reduced by 50%
·  Multifunction capability
· Two completely independent 1-of-4 decoders
·  Active LOW mutually exclusive outputs
·  Outputs source/sink 24 mA
·  ACT139 has TTL-compatible inputs


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC)  . . . . . . . . . . . . −0.5V to +7.0V
DC Input Diode Current (IIK)
    VI = −0.5V  . . . . . . . . . . . . . .  . . . . . . . . . .−20 mA
    VI = VCC + 0.5V  . . . . . . . . . . . . . .  . . . . . +20 mA
DC Input Voltage (VI)  . . . . . . . −0.5V to VCC + 0.5V
DC Output Diode Current (IOK)
    VO = −0.5V  . . . . . . . . . . . . . .  . . . . . . . . .−20 mA
    VO = VCC + 0.5V . . . . . . . . . . . . . .  . . . .  +20 mA
DC Output Voltage (VO) . . . . .  −0.5V to VCC + 0.5V
DC Output Source
or Sink Current (IO)  . . . . . . . . . . . . . .  . . . .±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND) . . . . . . . . . . . ±50 mA
Storage Temperature (TSTG)  . . −65°C to +150°C
Junction Temperature (TJ)
    PDIP . . . . . . . . . . . . . .  . . . . . . . . . . . . . . 140°C


Description

The 74AC139 is a high-speed, dual 1-of-4 decoder/ demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutuallyexclusive active-LOW outputs. Each decoder has an active-LOW Enable input which can be used as a data input for a 4-output demultiplexer. Each half of the AC/ ACT139 can be used as a function generator providing all four minterms of two variables.




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