74LS datasheet, 74LS circuit, 74LS data sheet: MOTOROLA – BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL. The SN54/74LS and SN54/74LS are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation. 74LS 54ls Synchronous Bi-directional BCD Decade Counter. The is a fully synchronous 4-state up down counter featuring a preset capability for.
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High Level Input Current.
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High Level Output Voltage. C National Semiconductor Corporation. See NS Package Number. High Level Input Voltage. Operating Free Air Temperature Range. If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications. Welcome to the ECE Store. Search the directory for faculty or staff members.
Not more than one output should be shorted at a time and the duration should not exceed one second.
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All typicals are at V. Search field Part name Part description. Spring Semester, Monday — Friday: The 54LS is a fully synchronous 4-state up down coun- ter featuring a preset capability for programmable operation carry lookahead for easy cascading and a U D input to con- trol the direction of counting It counts in the BCD sequence and all state changes whether in counting or par- allel loading are initiated by the LOW-to-HIGH transition of the clock. Low Level Output Voltage.
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