Datasheet Details
| Part number | DM7556 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 150.04 KB |
| Description | TRI-STATE Programmable Binary Counters |
| Datasheet |
 DM7556 Datasheet
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| Part number | DM7556 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 150.04 KB |
| Description | TRI-STATE Programmable Binary Counters |
| Datasheet |
DM7556 Datasheet
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These circuits are synchronous edge-sensitive fully-programmable 4-bit counters The counters feature both conventional totem-pole and TRI-STATE outputs such that when the outputs are in the high impedance mode they can be used to enter data from the bus lines In addition the clear input operates completely independent of all other inputs During the programming operation data is loaded into the flip-flops on the positive-going edge of the clock pulse To facilitate cascading of these counters the
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