LS7055 Datasheet (LSI) - 6 DECADE PREDETERMINING UP

LS7055, 6 DECADE PREDETERMINING UP - DOWN COUNTER

The LS7055/LS7056 is a MOS synchronous 6 decade Up/Down counter.

The circuit includes storages and comparators, zero detect, automatic presetting and resetting, output latches, multiplexed output BCD and seven segment data.

Thumbwheel switches can be used to provide BCD data to the storage networks

LS7055 Features

* +4.75V to +15V (Vss - VDD)

* Preset, Presignal and Mainsignal Store

* DC to 250kHz Count Frequency

* Fully Synchronous Operation Three Comparators with Output Flags Automatic or Manual Preset/Reset Control

* Thumbwheel Interface for Storage Selects