SN54F573, SN74F573 OCTAL TRANSPARENT DĆTYPE LATCH.
Texas Instruments
SN74F573 - Octal Transparent D-Type Latches
SN54F573, SN74F573 OCTAL TRANSPARENT DĆTYPE LATCHES WITH 3ĆSTATE OUTPUTS SDFS011A − MARCH 1987 − REVISED OCTOBER 1993 • Eight Latches in a Single Pac.