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SN54LS490 Datasheet, Equivalent, DECADE COUNTER.DUAL DECADE COUNTER DUAL DECADE COUNTER |
| Part | SN54LS490 |
|---|---|
| Description | DUAL DECADE COUNTER |
| Feature | SN54/74LS490 DUAL DECADE COUNTER
The SN5 4 / 74LS490 contains a pair of high-spe ed 4-stage ripple counters. Each half o f the SN54 / 74LS490 has individual Clo ck, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • • • • Dual Version of SN54 / 74LS490 Individu al Asynchronous Clear and Preset to 9 f or Each Counter Count Frequency — Typ ically 65 MHz Input Clamp Diodes Limit High-Speed Termination Effects DUAL DE CADE COUNTER LOW POWER SCHOTTKY CONNEC TION DIAGRAM DIP (TOP VIEW) VCC 16 CPb 15 MRb 14 Q0b 13 MSb 12 Q1b 11 Q2b 10 Q 3b 9 16 1 J SUFFIX CERA . |
| Manufacture | Motorola Inc |
| Datasheet |
| Part | SN54LS490 |
|---|---|
| Description | DUAL DECADE COUNTER |
| Feature | SN54/74LS490 DUAL DECADE COUNTER
The SN5 4 / 74LS490 contains a pair of high-spe ed 4-stage ripple counters. Each half o f the SN54 / 74LS490 has individual Clo ck, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • • • • Dual Version of SN54 / 74LS490 Individu al Asynchronous Clear and Preset to 9 f or Each Counter Count Frequency — Typ ically 65 MHz Input Clamp Diodes Limit High-Speed Termination Effects DUAL DE CADE COUNTER LOW POWER SCHOTTKY CONNEC TION DIAGRAM DIP (TOP VIEW) VCC 16 CPb 15 MRb 14 Q0b 13 MSb 12 Q1b 11 Q2b 10 Q 3b 9 16 1 J SUFFIX CERA . |
| Manufacture | Motorola Inc |
| Datasheet |
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