Thông số kỹ thuật
Nhà sản xuất: STMicroelectronics
Device Type: Automotive qualified SPI interface serial EEPROM non-volatile memory chip, provided on tape and reel for automated surface mount assembly
Electrical Parameters
Total storage capacity: 128 Kbit, arranged as 16384 × 8-bit bytes
Operating supply voltage range: 1.8 V to 5.5 V
Max SPI bus clock frequency: 20 MHz
Single page writing capacity: 32 bytes
Maximum page programming time: 5 ms
Guaranteed erase/write cycles for each memory cell: 4,000,000 times
Minimum data retention time: 200 years under normal ambient temperature
Operating temperature range: -40°C to 125°C
Automotive certification: AEC-Q100 Grade 1
Package: 8-pin narrow SOIC surface mount housing
Core Features
Standard SPI communication protocol ensures seamless connection with various automotive main control microcontrollers
External hardware write protection pin can lock part or the entire memory region to prevent accidental data overwriting
Chip select function allows multiple identical memory chips to share a single SPI bus
Built-in power-on reset and undervoltage lockout circuits stop invalid write actions during power voltage fluctuation
Reinforced internal ESD and transient voltage surge protection suits complex vehicle electrical environments
Ultra-low quiescent current reduces standby power consumption for parked vehicles
Stable read and write performance is maintained across the entire wide working temperature range
Halogen-free packaging materials meet RoHS environmental standards
Ứng dụng điển hình
Automotive ECU calibration parameters and operating data storage
Body control module configuration data backup
Vehicle dashboard fault codes, accumulated mileage recording
On-board multimedia system personalized setting storage
Automotive sensor calibration data preservation
Small vehicle electronic modules configuration information saving
