CH340C
Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.
This WCH datasheet covers the CH340C, a USB-to-UART/Parallel interface chip. It enables upgrading serial devices to USB or adding virtual ports to computers without driver changes. Key parameters include 5V/3.3V power support, baud rates from 50bps to 2Mbps, and built-in buffers for full-duplex communication. The document details various pinouts, package options like SOP-16 and MSOP-10, and features such as internal clocks for specific variants.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions |
|---|---|---|---|---|
| quiescent current | — | 7 mA | 20 mA | CH340G/C/N/K/E/X/T/R |
| supply voltage range | 3.1 V | — | 3.6 V | |
| input offset voltage | -500 mV | — | — | |
| operating temperature | -40 °C | — | 85 °C | CH340G/CH340T/CH340R |
| clock frequency | 12 MHz | 12 MHz | 12 MHz | |
| data rate | — | 2 Mbps | — | |
| channel count | — | 1 | — | |
| driver count | — | 1 | — | |
| receiver count | — | 1 | — |
Closest matches to CH340C
Frequently asked questions
What is the channel count of the CH340C?
The channel count is 1.
What is the clock frequency?
The clock frequency is 12 MHz.
What is the data rate of the CH340C?
The data rate is 2 Mbps.
What is the driver count for the CH340C?
The driver count is 1.
What is the input offset voltage of the CH340C?
The input offset voltage is -500 mV.
What is the operating temperature for the CH340G/CH340T/CH340R?
The operating temperature is 85 °C.
What is the quiescent current for the CH340G/C/N/K/E/X/T/R?
The quiescent current is 7 mA for the CH340G/C/N/K/E/X/T/R.
What is the receiver count for the CH340C?
The receiver count is 1.