Datasheet4U Logo Datasheet4U.com

74LS155 - DUAL 1-OF-4 DECODER/DEMULTIPLEXER

General Description

The LS155 and LS156 are Dual 1-of-4 Decoder/Demultiplexers with common Address inputs and separate gated Enable inputs.

O3).

Key Features

  • ity of its products for any particular purpose, nor does Motorola assume any liabilit.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
74LS155 DUAL 1-OF-4 DECODER/ DEMULTIPLEXER ON Semiconductor
74LS155 Dual 2-Line to 4-Line Decoders/Demultiplexers Fairchild Semiconductor
74LS155 Dual 2-line-to-4-line Decoders/Demultiplexers Hitachi Semiconductor
74LS155 Dual 2-Line to 4-Line Decoders/Demultiplexers National Semiconductor
74LS155A Dual 2-Line To 4-Line Decoders/Demultiplexers Texas Instruments

Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
74LS15 TRIPLE 3-INPUT AND GATE
74LS151 8-INPUT MULTIPLEXER
74LS153 DUAL 4-INPUT MULTIPLEXER
74LS156 DUAL 1-OF-4 DECODER/DEMULTIPLEXER
74LS158 QUAD 2-INPUT MULTIPLEXER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DUAL 1-OF-4 DECODER/ DEMULTIPLEXER The SN54 / 74LS155 and SN54 / 74LS156 are high speed Dual 1-of-4 Decoder/Demultiplexers. These devices have two decoders with common 2-bit Address inputs and separate gated Enable inputs. Decoder “a” has an Enable gate with one active HIGH and one active LOW input. Decoder “b” has two active LOW Enable inputs. If the Enable functions are satisfied, one output of each decoder will be LOW as selected by the address inputs. The LS156 has open collector outputs for wired-OR (DOT-AND) decoding and function generator applications. The LS155 and LS156 are fabricated with the Schottky barrier diode process for high speed and are completely compatible with all Motorola TTL families.