ti
部件型号 厂商 描述

SN74S280NSRG4

Texas Instruments Parity Functions 9B Odd Even Parity Generator Checker

SN74S280NSRE4

Texas Instruments Parity Functions 9-bit odd/evn parity Generator/Checker

SN74S280NSR

Texas Instruments Parity Functions 9-bit odd/evn parity Generator/Checker
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