SN74HC139 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

SN74HC139
Manufacturer

TI
ChipWorker Part#

CW355871972
RoHS

Lead free / RoHS Compliant
Description

Dual 2-Line To 4-Line Decoders/Demultiplexers
Documentation

Datasheet

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SN74HC139 Specifications

Attribute	Attribute Value

Part Number	SN74HC139
Manufacturer	TI
ChipWorker Part#	CW355871972
Documentation	Datasheet
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RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The HC139 devices are designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders can minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay time of these decoders and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible.
The HC139 devices comprise two individual 2-line to 4-line decoders in a single package. The active-low enable (G\\) input can be used as a data line in demultiplexing applications. These decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its driving circuit.
Targeted Specifically for High-Speed Memory Decoders and Data-Transmission Systems
Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 80-µA Max ICC
Typical tpd = 10 ns
±4-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Incorporate Two Enable Inputs to Simplify Cascading and/or Data Reception

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