The RJGT102 series of Ruinajie semiconductor security encryption chips integrate 176Byte EEPROM, including 128Byte register page, 8Byte key, 8Byte user ID/Serial Number, and 16Byte control information. Based on SHA-256 encryption and authentication algorithm, it provides configurable watchdog timer and external reset function. The chip communicates with the MCU through the I2C interface, and the chip supports low-power mode. There are two packaging options for chips: SOP8 and SOT23-6.
Application
Car navigation, car DVD, car positioning, car monitoring, driving recorder
Mobile phone, communication module, router, walkie talkie
Monitoring equipment, IP Camera, NVR/DVR
(Widely used in anti copying board, license authorization, production control, data encryption, etc.)
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Parameter
Safety features High performance copy protection integrated circuit
Embedded SHA-256 encryption algorithm authentication
Disposable programmable unit
Special function built-in POR circuit, which can monitor the power supply status and reset the chip
Unique corresponding user ID
Combination of software and hardware authentication mechanism
176B EEPROM unit customized by the customer for storage, disposable programmable memory (512B OTP)
Built in LDO for working voltage, achieving 3.3V to 1.8V conversion
EEPROM supply voltage 1.8V
External device characteristics IIC external bus interface, supporting standard mode 100Kbit/s and fast mode 400Kbit/s
WDOG can be configured and the entire chip can be reset
Packaging SOP-8L
SOT23-6L
Selection Table
Model WDG interface algorithm encapsulation
RJGT102WDP8 √ IIC SHA-256 SOP8
RJGT102P8 × IIC SHA-256 SOP8
RJGT102WDT6 √ IIC SHA-256 SOT23-6
RJGT102T6 × IIC SHA-256 SOT23-6