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74LS393 Datasheet - Motorola

74LS393_MotorolaInc.pdf

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Datasheet Details

Part number:

74LS393

Manufacturer:

Motorola

File Size:

193.57 KB

Description:

Dual decade counter.

74LS393, DUAL DECADE COUNTER

Each half of the SN54 / 74LS393 operates in the Modulo 16 binary sequence, as indicated in the รท 16 Truth Table.

The first flip-flop is triggered by HIGH-to-LOW transitions of the CP input signal.

Each of the other flip-flops is triggered by a HIGH-to-LOW transition of the Q output of the preceding

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER The SN54 / 74LS390 and SN54 / 74LS393 each contain a pair of high-speed 4-stage ripple counters.

Each half of the LS390 is partitioned into a divide-by-two section and a divide-by five section, with a separate clock input for each section.

The two sections can be connected to count in the 8.4.2.1 BCD code or they can count in a biquinary sequence to provide a square wave (50% duty cycle) at the final output.

Each half of the LS393 operates as a Mo

74LS393 Features

* s no warranty, representation or guarantee regarding the suitability of its products for any p

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