CH341A USB EEPROM BIOS Programmer 24 25 Series SPI Flash

he CH341A USB Programmer is a compact and versatile programmer designed for reading, writing, erasing, and backing up 24-series I²C EEPROM and 25-series SPI Flash memory chips. It is commonly used for BIOS programming, firmware repair, embedded-system development, motherboard servicing, router repair, LCD/monitor servicing, and other electronics applications

CH341A Programmer provides a convenient USB interface for programming compatible EEPROM and Flash memory ICs. It supports common 24-series I²C EEPROM and 25-series SPI Flash chips, with an onboard ZIF socket for supported 8-pin and 16-pin devices. The programmer can be used to read, write, erase, verify, and back up chip data, making it useful for BIOS recovery and firmware maintenance. Many versions also provide 3.3V/5V output, SPI expansion pins, USB-to-TTL functionality, status LEDs, and SOP8/SOP16 adapter compatibility

Parameter Technical Specification
Product Type USB EEPROM / SPI Flash / BIOS Programmer
Main Controller CH341A
USB Interface USB
USB Connector USB Type-A
Supported Memory 24-Series EEPROM & 25-Series SPI Flash
24-Series Interface I²C / 2-Wire (SDA, SCL)
25-Series Interface SPI / 4-Wire
Supported IC Package 8-Pin and 16-Pin
Socket ZIF IC Socket
Adapter Support SOP8 / SOP16 to DIP Adapter
Programming Functions Read, Write, Erase, Verify & Backup
BIOS Support Compatible 24/25-Series BIOS Flash ICs
Common Flash Families Winbond W25Q, MXIC MX25, GigaDevice GD25, EON, EN25, S25FL and compatible devices
EEPROM Range Common 24C01–24C512 families, depending on software/device database
Power Input USB 5V
Logic/Output Voltage 3.3V / 5V on applicable board versions
Voltage Regulator AMS1117 3.3V on common boards
Clock Oscillator 12 MHz
LED Indicators Power LED + Read/Write LED
Expansion Interface SPI Pin Header
UART Function USB-to-TTL/UART support on applicable configurations
In-Circuit Programming Supported with compatible SOIC/SOP test clip
Protection Self-resetting fuse on some board versions
Operating Systems Windows; Linux/macOS support depends on compatible software
Power Source USB-powered
Typical Applications BIOS repair, motherboard servicing, router firmware, LCD/monitor firmware, EEPROM backup and embedded electronics

1X CH341 USB PROGRAMMER