CH341A
Interface_USB
USB to UART / printer port / parallel port / 2-wire / 4-wire, SOIC-28 (SOP-28)
Symbol
28 pins- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
28 pads- Library
- Package_SO
- Mount
- smd
- Courtyard
- 11.86 × 18.4 mm
- Link
- exact
3D model
STEPPackage_SO_SOIC-28W_7.5x17.9mm_P1.27mm
10.30 × 17.90 × 2.75 mm
362 KB STEP
- Library
- Package_SO_SOIC-28W_7.5x17.9mm
- Link
- exact
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | ~{ACT} | output | 1 |
| 2 | RSTI | passive | 2 |
| 3 | IN7/~{SIN}/~{AS} | tri_state | 3 |
| 4 | ~{ROV}/~{AFD}/~{DS} | tri_state | 4 |
| 5 | TXD/~{ERR} | bidirectional | 5 |
| 6 | RXD/PEMP | input | 6 |
| 7 | ~{INT}/~{ACK} | passive | 7 |
| 8 | IN3/SLCT | passive | 8 |
| 9 | V3 | passive | 9 |
| 10 | UD+ | bidirectional | 10 |
| 11 | UD- | bidirectional | 11 |
| 12 | GND | power_in | 12 |
| 13 | XI | input | 13 |
| 14 | XO | output | 14 |
| 15 | ~{CTS}/D0 | tri_state | 15 |
| 16 | ~{DSR}/D1 | tri_state | 16 |
| 17 | ~{RI}/D2 | tri_state | 17 |
| 18 | ~{DCD}/D3 | tri_state | 18 |
| 19 | ~{OUT}/D4 | tri_state | 19 |
| 20 | ~{DTR}/D5 | tri_state | 20 |
| 21 | ~{RTS}/D6 | tri_state | 21 |
| 22 | ~{SLP}/D7 | tri_state | 22 |
| 23 | SDA | bidirectional | 23 |
| 24 | SCL | open_collector | 24 |
| 25 | ~{RDY}/~{STB}/~{WR} | output | 25 |
| 26 | TNOW/~{INI}/~{RST} | output | 26 |
| 27 | ~{TEN}/BUSY/~{WT} | passive | 27 |
| 28 | VCC | power_in | 28 |
Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed
