| Part number | DM74163, DM74161 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 167.33 KB |
| Description | Synchronous 4-Bit Counters |
| Datasheet |
 DM74161-NationalSemiconductor.pdf
|
| Note |
This datasheet PDF includes multiple part numbers: DM74163, DM74161. Please refer to the document for exact specifications by model. |
These synchronous presettable counters feature an internal carry look-ahead for application in high-speed counting designs The 161 and 163 are 4-bit binary counters The carry output is decoded by means of a NOR gate thus preventing spikes during the normal counting mode of operation Synchronous operation is provided by having all flipflops clocked simultaneously so that the outputs change coincident with each other when so instructed by the countenable inputs and internal gating This mode of ope
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