| Part Number | ELM621 |
| Manufacturer | ELM Electronics |
| Title | SERIAL 3-BIT PORT |
| Description | The ELM621 is a serially controlled, three bit parallel I/O port in an 8 pin package. The high level of integration employed means that very few e... |
| Features |
that many users will appreciate. The provision of a 16 byte buffer allows commands to be chained and executed sequentially with one key stroke. The controllable pullup resistor on the bit 3 port pin is particularly helpful when interfacing to mechani...
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| Datasheet |
 ELM621 Datasheet
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