Product information - Parallax item code 32321

 

 

 

 

The IS23SC4442 Smart Card provides 256 bytes of serial EEPROM accessible by Parallax’s Smart Card Reader. This Smart Card also features a 3-bit error counter and 3-byte programmable security code to prevent unauthorized write/erase operations to the card.

The IS23SC4442 Smart Card is the size of a standard credit card. The pins of the IS23SC4442 are accessible through the gold plated contact pads embedded in the card. When connected to the I/O pins of a Propeller or other microcontroller the Smart Card can be used for data storage, security systems, tracking systems, or identity authentication.

See aslo the IS24C16A Smart Card and IS24C02A Smart Card

Features:

  • Memory Organization: 256 x 8-bit
  • 2.5 ms write time
  • 3-byte Programmable Security Code for memory write/erase protection
  • 3-bit error counter
  • 1,000,000 erase/write cycles guaranteed with 10 year data retention

Key Specifications:

  • Power requirements: 2.7 – 5 VDC; 3 mA typical active current
  • Communication: I2C (CMOS)
  • Dimensions:2.5 x 3 in (6.35 x 7.62 cm)
  • Operating temp range: 30 to +75 °C

'www.parallax.com' is printed on the back of each card.