HD74HC679 Datasheet (Renesas) - 12-bit Address Comparator

HD74HC679, 12-bit Address Comparator

The HD74HC679 address comparator simplifies addressing of memory boards and/or other peripheral devices.

The four P inputs are normally hard wired with a preprogrammed address.

An internal decoder determines what input information applied to the 12 A inputs must be low or high to cause a low state a

HD74HC679 Features

* and enable input (G). When G is low, the device is enabled. When G is high, the device is disabled and the output is high regardless of the A and P inputs. Features

* High Speed Operation: tpd (A to Y) = 18 ns typ (CL = 50 p