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ST95040 ST95020, ST95010
4K/2K/1K Serial SPI EEPROM with Positive Clock Strobe
1 MILLION ERASE/WRITE CYCLES 40 YEARS DATA RETENTION SINGLE SUPPLY VOLTAGE – 4.5V to 5.5V for ST950x0 – 2.5V to 5.5V for ST950x0W SPI BUS COMPATIBLE SERIAL INTERFACE 2 MHz CLOCK RATE MAX BLOCK WRITE PROTECTION STATUS REGISTER 16 BYTE PAGE MODE WRITE PROTECT SELF-TIMED PROGRAMMING CYCLE E.S.D.PROTECTION GREATER than 4000V SUPPORTS POSITIVE CLOCK SPI MODES
8 1
PSDIP8 (B) 0.25mm Frame
8 1
SO8 (M) 150mil Width
Figure 1. Logic Diagram DESCRIPTION The ST950x0 is a family of Electrically Erasable Programmable Memories (EEPROM) fabricated with STMicroelectronics’s High Endurance Single Polysilicon CMOS technology. Each memory is accessed by a simple SPI bus compatible serial interface.