사양
제조사: STMicroelectronics
Device Type: Automotive specification SPI serial EEPROM nonvolatile memory component, delivered in tape and reel packaging for automated SMD assembly
전기 사양
Total memory capacity: 64 Kbit, structured as 8192 × 8-bit bytes
Operating supply voltage range: 1.8 V ~ 5.5 V
Maximum SPI communication clock speed: 20 MHz
Page write size: 32 bytes for bulk data programming
Maximum page programming duration: 5 ms
Endurance rating: 4 million erase and write cycles per memory cell
Minimum data retention period: 200 years at regular ambient temperature
Operating temperature range: -40°C ~ 125°C
Automotive compliance standard: AEC-Q100 Grade 1
Package type: 8-pin small outline flat package
Main Characteristics
Follows standard SPI serial communication protocol, easy to interface with automotive MCUs
Hardware write protection pin supports locking partial memory area or whole chip storage space to avoid unintended data modification
Multi-chip selection function enables several identical memory chips to be mounted on one SPI bus
Internal power-on reset and undervoltage lockout circuits prevent erroneous write operations during power supply fluctuation
Enhanced internal ESD and transient surge protection adapts to unstable automotive power environments
Low standby current consumption fits vehicle static power management requirements
Consistent reading and writing performance across full working temperature range
Halogen-free packaging materials conform to RoHS environmental regulations
일반적인 애플리케이션 시나리오
Automotive electronic control unit calibration parameter storage
Vehicle body electrical module configuration data backup
Car dashboard running data and fault code recording
On-board auxiliary equipment user preference setting preservation
Automotive sensor correction parameter storage
Small embedded automotive circuit configuration information storage
