ISSI 4428

ISSI 4428 Features

• • • Standard CMOS process
    • 1024 x 8 bits EEPROM organization
    • Byte-wise addressing
    • Byte-wise erase/write
    • Irreversible byte-wise write protection
    • Single 5V power supply for read and write/erase
    • Low power operation:
      
      • 3 mA typical active current

• • • 5 ms programming time
    • 3-wire serial interface
    • 20 KHz serial clock rate
    • Contact configuration and serial interface, ISO standard 7816 (Synchronous Transmission) compatible.
    • High ESD protection: > 4 KV
    • High reliability:
      
      • 1,000,000 erase/write cycles guaranteed
      • 10 years data retention

• • • Wide operating temperature range
      
      • 0 to +70°C Commercial
      • –40 to +85°C Industrial

• • • 2-byte Programmable Security Code (PSC) for memory write/erase protection