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54ACT521 - 8-Bit Identity Comparator

Download the 54ACT521 datasheet PDF. This datasheet also covers the 54AC521 variant, as both devices belong to the same 8-bit identity comparator family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (54AC521_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

The AC/ACT521 is an expandable 8-bit comparator.

It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit.

The expansion input IA = B also serves as an active LOW enable input.

Overview

www.DataSheet4U.com 54AC521 • 54ACT521 8-Bit Identity Comparator September 1998 54AC521 • 54ACT521 8-Bit Identity.

Key Features

  • n n n n n n ICC reduced by 50% Compares two 8-bit words in 6.5 ns typ Expandable to any word length Outputs source/sink 24 mA ACT521 has TTL-compatible inputs Standard microcircuit Drawing (SMD) 54AC521: 5962-90985 54ACT521: 5962-89793 Logic Symbols Connection Diagram Pin Assignment for DIP and.

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
54ACT520 8-Bit Identity Comparator
54ACT574 Octal D-Type Flip-Flop
54ACT00 Quad 2-Input NAND Gate
54ACT109 Dual JK Positive Edge-Triggered Flip-Flop
54ACT112 Dual JK Negative Edge-Triggered Flip-Flop
54ACT138 1-of-8 Decoder/Demultiplexer
54ACT139 Dual 1-of-4 Decoder/Demultiplexer
54ACT151 8-Input Multiplexer
54ACT153 Dual 4-Input Multiplexer
54ACT157 Quad 2-Input Multiplexer