Datasheet Details
Part number:
SN74LS256, SN74LS256D
Manufacturer:
Motorola
File Size:
Direct Link
Description:
Dual 4-bit addressable latch.
Note:
This datasheet PDF includes multiple part numbers: SN74LS256, SN74LS256D.
Please refer to the document for exact specifications by model.
SN74LS256, SN74LS256D, DUAL 4-BIT ADDRESSABLE LATCH
DUAL 4-BIT ADDRESSABLE LATCH The SN54/74LS256 is a Dual 4-Bit Addressable Latch with common control inputs; these include two Address inputs (A0, A1), an active LOW Enable input (E) and an active LOW Clear input (CL).
Each latch has a Data input (D) and four outputs (Q0 Q3).
When the Enable (E) is HIGH and the Clear input (CL) is LOW, all outputs (Q0 Q3) are LOW.
Dual 4-channel demultiplexing occurs when the (CL) and E are both LOW.
When CL is HIGH and E is LOW, the selected
SN74LS256 Features
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