
Overview
The ST75185CPR is a RS232 IC made by STMicroelectronics in a SSOP-20 package with 20 pins. 0℃~+70℃ 120Kbps 3 30mA 4.5V~5.5V、7.5V~15V 5 Transceiver SSOP-20 RS232 ICs.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN75185DWG4, from EasyEDA) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19624918).
Symbol
Footprint
Parameters
7- Data Rate
- 120Kbps
- Number of Drivers
- 3
- Number of Receivers
- 5
- Operating Temperature
- 0℃~+70℃
- Quiescent Supply Current
- 30mA
- Type
- Transceiver
- Voltage - Supply
- 4.5V~5.5V, 7.5V~15V
Order codes
1- ST75185CPRLCSC C19624918
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | RA1 | Unspecified |
| 3 | RA2 | Unspecified |
| 4 | RA3 | Unspecified |
| 5 | DY1 | Unspecified |
| 6 | DY2 | Unspecified |
| 7 | RA4 | Unspecified |
| 8 | DY3 | Unspecified |
| 9 | RA5 | Unspecified |
| 10 | VSS | Unspecified |
| 11 | GND | Unspecified |
| 12 | RY5 | Unspecified |
| 13 | DA3 | Unspecified |
| 14 | RY4 | Unspecified |
| 15 | DA2 | Unspecified |
| 16 | DA1 | Unspecified |
| 17 | RY3 | Unspecified |
| 18 | RY2 | Unspecified |
| 19 | RY1 | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the ST75185CPR?
Yes. The symbol is EasyEDA_Cloud:SN75185DWG4 and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ST75185CPR?
SSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the ST75185CPR datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the ST75185CPR?
JLCPCB lists it as part C19624918, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ST75185CPR?
Parts like it in the library: the MAX3223EAP+T by Maxim Integrated (Analog Devices), the SP3222EEA-L/TR by MaxLinear, the WS3222ECA by NJGW and the MAX3223EEAP+T by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.
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