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HD74HC677 Datasheet - Hitachi Semiconductor

HD74HC677_HitachiSemiconductor.pdf

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Datasheet Details

Part number:

HD74HC677

Manufacturer:

Hitachi Semiconductor

File Size:

52.92 KB

Description:

16-bit address comparator.

HD74HC677, 16-bit Address Comparator

The HD74HC677 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 infomation applied to the 16 A inputs must be low or high to cause a low state at

HD74HC677 Features

* an 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) = 17 ns typ (CL = 50 pF) High Output Current: Fano

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