54F402 - Serial Data Polynomial Generator/Checker

National Semiconductor (now Texas Instruments)

Datasheet Details

Part number	54F402
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	375.13 KB
Description	Serial Data Polynomial Generator/Checker
Datasheet	54F402 Datasheet

General Description

The ’F402 expandable Serial Data Polynomial generator checker is an expandable version of the ’F401 It provides an advanced tool for the implementation of the most widely used error detection scheme in serial digital handling systems A 4-bit control input selects one-of-six generator polynomials The list of polynomials includes CRC-16 CRCCCITT and Ethernet as well as three other standard polynomials (56th order 48th order 32nd order) Individual clear and preset inputs are provided for floppy disk and other applications The Error output indicates whether or not a transmission error has occurred The CWG Control input inhibits feedback during check word transmission The ’F402 is compatible with FAST devices and with all TTL families

Overview

54F 74F402 Serial Data Polynomial Generator Checker Obsolete January 1995 54F 74F402 Serial Data Polynomial Generator Checker.

Key Features

Y Guaranteed 30 MHz data rate Y Six selectable polynomials Y Other polynomials available Y Separate preset and clear controls Y Expandable Y Automatic right justification Y Error output open collector Y Typical.

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