ST19WL18 Smartcard MCU With Modular Arithmetic Pro.
ST16WL18 - Smartcard MCU With Modular Arithmetic Processor 18 Kbytes High Density EEPROM
ST19WL18 Smartcard MCU With Modular Arithmetic Processor & 18 Kbytes High Density EEPROM DATA BRIEF PRODUCT FEATURES ENHANCED 8 BIT CPU WITH EXTENDED.