SN74HCT139 - Dual 2-Line To 4-Line Decoders/Demultiplexers

Texas Instruments

Datasheet Details

Part number	SN74HCT139
Manufacturer	Texas Instruments
File Size	1.10 MB
Description	Dual 2-Line To 4-Line Decoders/Demultiplexers
Datasheet	SN74HCT139 Datasheet

General Description

The ’HCT139 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times.

Device Information(1) ORDERABLE PART NUMBER PACKAGE† BODY SIZE (NOM) N (PDIP, 16) 19.31 mm × 6.35 mm SN74HCT139 D (SOIC, 16) DB (SSOP, 16) 9.90 mm × 3.90 mm 6.2 mm x 5.3 mm PW (TSSOP, 16) 5.00 mm × 4.40 mm SNJ54HCT139 J (CDIP, 16) W (CFP, 16) 24.38 mm × 6.92 mm 10.3 mm x 1.65 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

Overview

SN54HCT139, SN74HCT139 SCLS066E – MARCH 1982 – REVISED AUGUST 2022 Dual 2-Line To 4-Line Decoders/Demultiplexers.

Key Features

Operating voltage range of 4.5 V to 5.5 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.
Inputs are TTL-voltage compatible.
Designed specifically for high-speed memory decoders and data-transmission systems.
Incorporate two enable inputs to simplify cascading and/or data reception 2.

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