This is the Texas Instruments SN74LS373 octal D-type transparent latch and edge-triggered flip-flop IC from the LS Family. These 8-Bit registers feature totem-pole tri-state outputs designed specifically to drive highly-capacitive or relatively low-impedance loads.
74373 base number
4.75 to 5.25V supply voltage
30ns propagation delay
20-DIP
Operating temperature 0°C to +75°C
Logic IC Base Number
74373
Logic IC Function
Octal D-Type Transparent Latch and Edge-Triggered Flip-Flop