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SN54LS490 Datasheet, Equivalent, DECADE COUNTER.


DUAL DECADE COUNTER


Part SN54LS490
Description DUAL DECADE COUNTER
Feature SN54/74LS490 DUAL DECADE COUNTER The SN54 / 74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54 / 74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • • • • Dual Version of SN54 / 74LS490 Individual Asynchronous Clear and Preset to 9 for Each Counter Count Frequency — Typically 65 MHz Input Clamp Diodes Limit High-Speed Termination Effects DUAL DECADE COUNTER LOW POWER SCHOTTKY CONNECTION DIAGRAM DIP (TOP VIEW) VCC 16 CPb 15 MRb 14 Q0b 13 MSb 12 Q1b 11 Q2b 10 Q3b 9 16 1 J SUFFIX CERA.
Manufacture Motorola Inc
Datasheet
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SN54LS490   SN54LS490




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