74HC646 Datasheet, PDF (11/12 Pages) NXP Semiconductors – Octal bus transceiver/register; 3-state

Philips Semiconductors
Octal bus transceiver/register; 3-state
APPLICATION INFORMATION
Product specification
74HC/HCT646
Fig.11 Data storage from A and/or B bus.
Fig.12 Real-time transfer from bus A to bus B.
September 1993
Fig.13 Real-time transfer from bus B to bus A.
11