Datasheet4U Logo Datasheet4U.com

HD74LS251P - 1 of 8 Data Selector/Multiplexer

Download the HD74LS251P datasheet PDF. This datasheet also covers the HD74LS251 variant, as both devices belong to the same 1 of 8 data selector/multiplexer family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • a strobe-controlled 3-state output. The strobe must be at a low logic level to enable this device. The 3-state outputs permit a number of outputs to be connected to a common bus. When the strobe input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly. When the strobe is low, the outputs are activated and operate as standard TTL totem-pole outputs. To.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HD74LS251-Renesas.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HD74LS251P
Manufacturer Renesas
File Size 172.55 KB
Description 1 of 8 Data Selector/Multiplexer
Datasheet download datasheet HD74LS251P Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
HD74LS251 1 of 8 Data Selectors/Multiplexers Hitachi Semiconductor
HD74LS253 Dual 4-line-to-1-line Data Selectors/Multiplexers Hitachi Semiconductor
HD74LS257 Quadruple 2-line-to-1-line Data Selectors/Multiplexers Hitachi Semiconductor
HD74LS258 Quadruple 2-line-to-1-line Data Selectors/Multiplexers Hitachi Semiconductor
HD74LS259 8-bit Addressable Latches Hitachi Semiconductor

Other Datasheets by Renesas

Part Number Description
HD74LS251 1 of 8 Data Selector/Multiplexer
HD74LS253 Dual 4-line-to-1-line Data Selectors/Multiplexers
HD74LS253P Dual 4-line-to-1-line Data Selectors/Multiplexers
HD74LS257 Quadruple 2-line-to-1-line Data Selectors/Multiplexers
HD74LS257P Quadruple 2-line-to-1-line Data Selectors/Multiplexers

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
HD74LS251 1 of 8 Data Selector / Multiplexer (with strobe and three-state outputs) REJ03D0467–0300 Rev.3.00 Jul.15.2005 This data selector / multiplexer contains full on-chip binary decoding to select one-of-eight data sources and features a strobe-controlled 3-state output. The strobe must be at a low logic level to enable this device. The 3-state outputs permit a number of outputs to be connected to a common bus. When the strobe input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly. When the strobe is low, the outputs are activated and operate as standard TTL totem-pole outputs.