74ACT139SCX The 74ACT139SCX is a 1x2:4 decoder/demultiplexer from On Semiconductor, housed in a 16SOIC package. It operates from a single 4.5V to 5.5V supply and over -40°C to 85°C.
Mfr Part #:

74ACT139SCX

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 74ACT139SCX is a 1x2:4 decoder/demultiplexer from On Semiconductor, housed in a 16SOIC package. It operates from a single 4.5V to 5.5V supply and over -40°C to 85°C.
✓ Total Stock: 26,020 pcs
$ Price Range: $0.50

74ACT139SCX Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
17,500 pcs
17500 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
5,000 pcs
5000 pcs On Request 1 On Request On Request 2026-02-16 04:30:00 On Request On Request
Non-Authorised Inventory information
3,520 pcs
3520 pcs On Request 1 On Request On Request On Request On Request On Request

74ACT139SCX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Circuit
Current
Independent Circuits
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Type
Voltage
Voltage Supply Source

74ACT139SCX Description

Short technical summary and product information.

The 74ACT139SCX is a dual 2-line to 4-line decoder/demultiplexer integrated circuit from On Semiconductor. It features two independent 1 x 2:4 decoding circuits, each capable of selecting one of four outputs based on a two-bit address input. The device operates from a single supply voltage ranging from 4.5V to 5.5V, making it compatible with standard TTL and CMOS logic families. It draws a typical current of 24mA per circuit. The operating temperature range spans -40°C to 85°C, allowing use in industrial and commercial environments. The part is supplied in a 16-lead SOIC surface-mount package, suitable for automated assembly and compact PCB designs. As a decoder/demultiplexer, it can be used for address decoding, data routing, or signal demultiplexing in digital systems.

74ACT139SCX Quick Information

Product Type: Decoder/Demultiplexer
Series: 74ACT
Canonical Name: 74ACT139SCX Decoder/Demultiplexer
Subcategory: Decoders

74ACT139SCX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

74ACT139SCX Estimated Pricing

Qty Low High
1+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

74ACT139SCX Features

  • 1 x 2:4 decoder/demultiplexer configuration.
  • Two independent decoding circuits.
  • Single supply voltage 4.5V to 5.5V.
  • Operating temperature range -40°C to 85°C.
  • Low current consumption of 24mA.

74ACT139SCX Applications

  • Address decoding in memory systems.
  • Data routing in digital circuits.
  • Signal demultiplexing in communication systems.
  • Control logic for peripheral devices.

74ACT139SCX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the 74ACT139SCX?

4.5V to 5.5V.

What is the operating temperature range?

-40°C to 85°C.

What is the package type?

16SOIC.

What is the circuit configuration?

1 x 2:4 decoder/demultiplexer.

How many independent circuits does it have?

2.

What is the supply voltage type?

Single supply.

What is the current consumption?

24mA.

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