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DM7490A |
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| Part Number | DM7490A |
| Manufacturer | Fairchild Semiconductor |
| Description | The DM7490A monolithic counter 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-... |
| Features |
s Typical power dissipation 145 mW s Count frequency 42 MHz
Ordering Code:
Order Number DM7490AN Package Number N14A Package Description 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagram
© 2000 Fairchild Semiconductor Corporation
DS006533
www.fairchildsemi.com
DM7490A
Function Tables
BCD Count Sequence (Note 1) Count QD 0 1 2 3 4 5 6 7 8 9 L L L L L L L L H H L L L L H H H H L L Outputs QC QB L L H H L L H H L L QA L H L H L H L H L H
Logic Diagram
BCD Bi-Quinary (5-2) (Note 2) Count QA 0 1 2 3 4 5 6 7 8 9 L L L L L H H H H H L L L L H L L L L H ... |
| Document |
 DM7490A Data Sheet
PDF 47.51KB |
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Desde 2024. D4U Semiconductor.
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