74HC139 IC DUAL 1-OF-4 DECODER / DEMULTIPLEXER DIP-16

Features:

The 74HC139 is a high-speed CMOS integrated circuit that provides two independent 1-of-4 Decoders/Demultiplexers.

It is a versatile component commonly used in digital logic systems for decoding or routing signals.

The 74HC139 decodes two binary weighted address inputs (nA0, nA1) to four mutually exclusive outputs (nY0 to nY3).

Each decoder features an enable input (nE).

When (nE) is HIGH all outputs are forced HIGH.

The enable input can be used as the data input for a 1-to-4 demultiplexer application.

Inputs include clamp diodes.

This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

High-Speed Operation: Operates with a propagation delay of only a few nanoseconds, depending on supply voltage and load conditions.

Wide Operating Voltage Range: Compatible with both 3.3V and 5V logic levels, typically ranging from 2V to 6V.

Standard CMOS Logic: Fully compatible with TTL input levels for ease of integration in mixed-logic systems.

Independent Operation: Two separate decoders/demultiplexers in one package.

Active Low Outputs: Outputs are active low, which is standard for many digital logic applications.

Enable Input: Each decoder can be individually enabled or disabled to conserve power or manage functionality.

Low Power Consumption: Ideal for battery-powered devices or systems with strict power requirements.

Pin Assignments:

Specifications:

Datasheet

74HC139

Product Type:

Decoders & Demultiplexes

Series:

74HC

Model

74HC139

Technology:

CMOS

Logic Type:

Decoders/Demultiplexes

Number of Input Lines:

2 Input

Number of Output Lines:

4 Output

Number of Circuits:

2 Circuit

Package/Case:

DIP-16

Mounting Style:

Through Hole

Supply Voltage Min:

2 V

Supply Voltage Max:

6 V

High Level Output Current:

5.2 mA

Low Level Output Current:

5.2 mA

Maximum Clock Frequency:

28 MHz

Operating Supply Voltage:

2 V to 6 V

Output Current:

4 mA, 4 mA

Supply Current Max:

80 A

Propagation Delay Time:

44 ns

Operating Temperature:

40 Cto + 85 C

Applications:

Memory Address Decoding.

Data Routing and Selection.

Signal Multiplexing and Demultiplexing.

Logic Function Generation.

Digital Communication Systems.

Datasheet:

74HC139