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8252
Universal Asynchronous Receiver/Transmitter, PDIP-28
Schematic Symbol
Pin Configuration (28 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{RD} | input |
| 2 | ~{WR} | input |
| 3 | D0 | bidirectional |
| 4 | D1 | bidirectional |
| 5 | D2 | bidirectional |
| 6 | D3 | bidirectional |
| 7 | D4 | bidirectional |
| 8 | D5 | bidirectional |
| 9 | D6 | bidirectional |
| 10 | D7 | bidirectional |
| 11 | A0 | input |
| 12 | A1 | input |
| 13 | IX | input |
| 14 | OX | output |
| 15 | (TXD)SDO | output |
| 16 | GND | power_in |
| 17 | ~{CTS} | input |
| 18 | ~{DSR} | input |
| 19 | ~{DTR} | output |
| 20 | ~{RTS} | output |
| 21 | CO | output |
| 22 | TBRE | output |
| 23 | RST | input |
| 24 | INTR | output |
| 25 | (RXD)SDI | input |
| 26 | DR | output |
| 27 | VCC | power_in |
| 28 | CS0 | input |
Footprint
ConfirmedPackage_DIP/DIP-28_W15.24mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
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17
18
19
20
21
22
23
24
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26
27
28
Pads (28)
| Number | Type |
|---|---|
| 1 | thru hole |
| 2 | thru hole |
| 3 | thru hole |
| 4 | thru hole |
| 5 | thru hole |
| 6 | thru hole |
| 7 | thru hole |
| 8 | thru hole |
| 9 | thru hole |
| 10 | thru hole |
| 11 | thru hole |
| 12 | thru hole |
| 13 | thru hole |
| 14 | thru hole |
| 15 | thru hole |
| 16 | thru hole |
| 17 | thru hole |
| 18 | thru hole |
| 19 | thru hole |
| 20 | thru hole |
| 21 | thru hole |
| 22 | thru hole |
| 23 | thru hole |
| 24 | thru hole |
| 25 | thru hole |
| 26 | thru hole |
| 27 | thru hole |
| 28 | thru hole |