INTEGRATED CIRCUITS 74ALS620A/74ALS620A–1 74ALS.
NXP
74ALS623A - Transceivers
INTEGRATED CIRCUITS 74ALS620A/74ALS620A–1 74ALS623A/74ALS623A–1 Transceivers Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconduc.
Texas Instruments
SN74ALS623A - OCTAL BUS TRANSCEIVERS
SN74ALS620A, SN74ALS621A, SN74ALS623A, SN74AS623 OCTAL BUS TRANSCEIVERS • Local Bus-Latch Capability • Choice of True or Inverting Logic • Package Op.