CH341A USB Programmer for 24/25 Series EEPROM and SPI Flash BIOS
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Prices updated: 12 Oct 2026
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About this product
A USB programmer built on the CH341A chip for reading and writing 24 series EEPROM and 25 series SPI flash, including BIOS chips. It also works as a USB-to-TTL serial converter, supports STC microcontroller programming and includes an SOP8/SOP16 to DIP8 adapter board.
Specifications
- Chip
- CH341A
- Interface
- USB
- Supported memory
- 24 series EEPROM, 25 series SPI flash (8/16 pin)
- USB to TTL
- Supported
- Included adapter
- SOP8/SOP16 to DIP8
- Status indicator
- 24/25 indicator lamp
Frequently asked questions
How do I connect it to a SOP chip?
Use the included SOP8/SOP16 to DIP8 adapter board to connect the chip, matching pin 1 with the marking. Confirm the chip's operating voltage before programming, since some CH341A boards include a voltage selection.
Can it be used as a serial adapter?
Yes, the listing states it supports USB to TTL conversion, so it can be used for serial communication with compatible devices.
