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CH351Q

WCH (Nanjing Qinheng Microelectronics)Extended

-40℃~+85℃ 4.5V~5.3V 4Mbps 50mA UART、UART LQFP-64(7x7) Interface - Specialized ROHS

Part id
wch/CH351Q
Category
Interface, Specialized
Package
LQFP-64(7x7)
Pins
64
In stock
37 at JLCPCB (C123779)

Overview

The CH351Q is an interface, Specialized made by WCH (Nanjing Qinheng Microelectronics) in a LQFP-64(7x7) package with 64 pins. -40℃~+85℃ 4.5V~5.3V 4Mbps 50mA UART、UART LQFP-64(7x7) Interface - Specialized ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH351Q, from EasyEDA) and its footprint (Package_QFP:LQFP-64_7x7mm_P0.4mm, from KiCad's library), ready for a KiCad board. 37 are in stock at JLCPCB (part C123779).

Symbol

AD221AD212AD203AD194AD185AD176AD167CBE28FRAME9TRDY10DEVSEL11INTA12PAR13CBE114AD1515AD1416VCC17AD1318AD1219AD1120AD1021AD922AD823CBE024AD725AD626AD527AD428AD329AD230AD131AD032DTR033RST034DTR135RTS136DCD037RI038DSR039CTS040TXD041TXD142RXD043RXD144DCD145RI146DSR147CTS148XI49RST50CLK51GND52VCC53AD3154AD3055AD2956AD2857AD2758AD2659AD2560AD2461CBE362IDSEL63AD2364
EasyEDA_Cloud:CH351QFrom EasyEDA

Footprint

Package_QFP:LQFP-64_7x7mm_P0.4mmFrom KiCad's library

Pinout

64
The pins of the CH351Q
PinNameType
1AD22Unspecified
2AD21Unspecified
3AD20Unspecified
4AD19Unspecified
5AD18Unspecified
6AD17Unspecified
7AD16Unspecified
8CBE2Unspecified
9FRAMEUnspecified
10TRDYUnspecified
11DEVSELUnspecified
12INTAUnspecified
13PARUnspecified
14CBE1Unspecified
15AD15Unspecified
16AD14Unspecified
17VCCUnspecified
18AD13Unspecified
19AD12Unspecified
20AD11Unspecified
21AD10Unspecified
22AD9Unspecified
23AD8Unspecified
24CBE0Unspecified
25AD7Unspecified
26AD6Unspecified
27AD5Unspecified
28AD4Unspecified
29AD3Unspecified
30AD2Unspecified
31AD1Unspecified
32AD0Unspecified
33DTR0Unspecified
34RST0Unspecified
35DTR1Unspecified
36RTS1Unspecified
37DCD0Unspecified
38RI0Unspecified
39DSR0Unspecified
40CTS0Unspecified
41TXD0Unspecified
42TXD1Unspecified
43RXD0Unspecified
44RXD1Unspecified
45DCD1Unspecified
46RI1Unspecified
47DSR1Unspecified
48CTS1Unspecified
49XIUnspecified
50RSTUnspecified
51CLKUnspecified
52GNDUnspecified
53VCCUnspecified
54AD31Unspecified
55AD30Unspecified
56AD29Unspecified
57AD28Unspecified
58AD27Unspecified
59AD26Unspecified
60AD25Unspecified
61AD24Unspecified
62CBE3Unspecified
63IDSELUnspecified
64AD23Unspecified

Parts like it

4

Questions

Is there a KiCad symbol and footprint for the CH351Q?

Yes. The symbol is EasyEDA_Cloud:CH351Q and the footprint Package_QFP:LQFP-64_7x7mm_P0.4mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH351Q?

LQFP-64(7x7), with 64 pins. Its footprint is drawn on this page.

Where is the CH351Q datasheet?

WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.

Where can I order the CH351Q?

JLCPCB lists it as part C123779, with 37 in stock; the sellers' links on this page open their listings.

What can replace the CH351Q?

Parts like it in the library: the CH367L by WCH (Nanjing Qinheng Microelectronics), the PI3HDMI336FBE by Diodes Incorporated, the NCT5532D by Nuvoton Tech and the NCT5577D by Nuvoton Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.