ST95010

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. The bus signals are a serial clock input (C), a serial data input (D) and a serial data output (Q). VCC D C Q Table 1. Signal Names C D Q S W HOLD VCC VSS Serial Clock Serial Data Input Serial Data Output Chip Select Write Protect Hold Supply Voltage Ground S W HOLD ST950x0 VSS AI01435B June 1998 1/18 ST95040, ST95020, ST95010 Figure 2A. DIP Pin Connections Figure 2B. SO Pin Connections ST950x0 S Q W VSS 1 2 3 4 8 7 6 5 AI01436B ST950x0 VCC HOLD C D S Q W VSS 1 2 3 4 8 7 6 5 AI01437B VCC HOLD C D Table 2. Absolute Maximum Ratings (1) Symbol TA TSTG TLEAD VO VI VCC VESD Parameter Ambient Operating Temperature Storage Temperature Lead Temperature, Soldering Output Voltage Input Voltage with respect to Ground S...