DM74ALS390 Datasheet - National Semiconductor

DM74ALS390 - Dual 4-Bit Decade Counters

Each of these monolithic counters contains eight masterslave flip-flops and additional gating to implement two independent four bit counters in a single package To use their maximum count length the B input is connected to the QA output The input count pulses are applied to input A and the outputs a.

DM74ALS390 Features

* Y Y Y Y Y Switching specifications at 50 pF Switching specifications guaranteed over full temperature and VCC range Advanced oxide-isolated ion-implanted Schottky TTL process Individual clocks for A and B flip-flops provide dual divide-by-2 and divide-by-5 counters Direct clear for each 4-bit co

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Datasheet Details

Part number:

DM74ALS390

Manufacturer:

National Semiconductor

File Size:

117.64 KB

Description:

Dual 4-bit decade counters.

DM74ALS390 Distributor

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DM74ALS390 Dual 4-Bit Decade Counters National Semiconductor