IS23SC4442 Smart Card

The IS23SC4442 Smart Card provides 256 bytes of serial EEPROM accessible by SimplyTronics ST-00019 Smart Card Reader. This smart card also provides a 3-bit error counter and 3-byte programmable security code to prevent unauthorized write/erase operations to the card. Smart cards are used in a variety of applications ranging from telecommunications to personal finance. The IS23SC4442 Smart Card is 256 x 8 bits of EEPROM main memory embedded in a plastic card, the size of a standard credit card. The pins of the IS23SC4442 are accessible through the gold plated contact pads embedded in the card, and when paired with the ST-00019 Smart Card Reader can be connected to the I/O pins of a microcontroller.

Product Features

• Memory Organization: 256 x 8-bit
• 2.5 ms write time
• 3-byte Programmable Security Code for memory write/erase protection
• 1,000,000 erase/write cycles guaranteed with 10 year data retention
• Compatible with BASIC Stamp, Propeller and most microcontrollers

Technical Details

• Power Requirements: 2.7–5 VDC; 3 mA typical active current
• Communication: I2C (CMOS)
• Operating temperature: -22 to +167 °F (-30 to +75 °C)
• Dimensions: 2.5 x 3 in (6.35 x 7.62 cm)

Applications Ideas

• Security systems
• Data storage
• Tracking systems
• Identity authentication

For more information and sample code please visit our documentation page: http://simplytronics.com/products/ST-00020