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Home > Semiconductors > ICs > NSC DM7493AN IC Decade and Binary Counters 32MHz PDIP14

NSC DM7493AN IC Decade and Binary Counters 32MHz PDIP14

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National Semi - Nsc Dm7493An 7493An IC Decade and Binary Counters

NSC DM7493AN IC Decade and Binary Counters 32MHz PDIP14

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NATIONAL SEMI - NSC DM7493AN 7493AN Decade and Binary Counters 3-BIT

Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the 90A and divideby-eight for the 93A All of these counters have a gated zero reset and the 90A also has gated set-to-nine inputs for use in BCD nine's complement applications To use their maximum count length (decade or four-bit binary) the B input is connected to the QA output The input count pulses are applied to input A and the outputs are as described in the appropriate truth table A symmetrical divide-by-ten count can be obtained from the 90A counters by connecting the QD output to the A input and applying the input count to the B input which gives a divide-by-ten square wave at output QA
SPECIFICATIONS
Part #: DM7493AN
Part Category: Logic ICs
Manufacturer: Texas Instruments High-Performance Analog
Description: TTL/H/L SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDIP14
Mfr Package Description PLASTIC, DIP-14
Status Discontinued
Logic IC Type BINARY COUNTER
Sub Category Counters
Count Direction UP
Family TTL/H/L
fmax-Min 32 MHz
JESD-30 Code R-PDIP-T14
JESD-609 Code e0
Load Capacitance (CL) 15 pF

Additional Information

DM7493AN
Click here to Download Datasheet I
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