The DM74LS93N by National Semiconductor is a Decade and Binary Counters. Below is the official datasheet preview.
| Part number | DM74LS93N, DM74LS93 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 131.84 KB |
| Description | Decade and Binary Counters |
| Datasheet |
 DM74LS93_National.pdf
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| Note |
This datasheet PDF includes multiple part numbers: DM74LS93N, DM74LS93. Please refer to the document for exact specifications by model. |
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Each of these monolithic counters 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-by-five for the ’LS90 and divideby-eight for the ’LS93 All of these counters have a gated zero reset and the LS90 also has gated set-to-nine inputs for use in BCD nine’s complement applications To use their maximum count length (decade or four bit binary) the B input is connected to the QA output
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