These devices are expandable 4-wide AND-OR-INVERT gates. They perform the Boolean function Y = AB + CD + EF + GH + X with X = output of SN5460/SN7460.
The SN5453 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN7453 is characterized for operation from 0°C to 70°C.
Manufactured: 1967 week 51