KCS BH9020F
The BH9020 are serial EEPROMs that can be connected directly to a serial port and can be erased and written electrically.FEATURES
BH9020F (2k bit): 128 words × 16 bits●Single power supply operation
●Serial data input and output
●Automatic erase-before-write
●Low current consumption –1.5mA (max.) active current: 3V –1.2 µ A (max.) standby current: 3V
●Noise filter built into SK pin
●Compact SOP8
●100,000 ERASE / WRITE cycles
●10 years Data Retention
●Easily connects to serial port
●Pin assignments R / B∗ 1 8 WC VCC 2 CS 3 BH9020F 7 GND 6 DO SK 4 5 DI
●Pin description Pin name CS SK DI DO GND WC R /B VCC Function Chip select input Serial data clock input Operating code, address, and serial data input Serial data output Reference voltage for all I / O, 0V Write control input READY, BUSY status signal output Power supply connection
●Overview Writing and reading is performed