Datasheet Details
| Part number | 74LS190 |
|---|---|
| Manufacturer | Motorola |
| File Size | 308.14 KB |
| Description | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
| Datasheet |
 74LS190 Datasheet
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| Part number | 74LS190 |
|---|---|
| Manufacturer | Motorola |
| File Size | 308.14 KB |
| Description | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
| Datasheet |
74LS190 Datasheet
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The LS190 is a synchronous Up / Down BCD Decade Counter and the LS191 is a synchronous Up / Down 4-Bit Binary Counter.
The operating modes of the LS190 decade counter and the LS191 binary counter are identical, with the only difference being the count sequences as noted in the state diagrams.