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DS89C21
Differential CMOS Line Driver and Receiver Pair, SOIC-8
Schematic Symbol
Pin Configuration (8 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | VCC | power_in |
| 2 | RO | output |
| 3 | DI | input |
| 4 | GND | power_in |
| 5 | ~{DO} | output |
| 6 | DO | output |
| 7 | ~{RI} | input |
| 8 | RI | input |
Footprint
ConfirmedPackage_SO/SOIC-8_3.9x4.9mm_P1.27mm
Pad Layout
1
2
3
4
5
6
7
8
Pads (8)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |