EEPROM memory: 128B. Number of terminals: 20. Modulation type: 5x 10bit ADC, 3x PWM. Clock signal: 16 MHz. Inputs/outputs: interfaces I2C, ISO7846, IrDA, SPI, UART. Memory type: 'FLASH' memory. Program storage memory: 8K Bytes. RAM memory: 1k. RoHS: yes. Assembly/installation: surface-mounted component (SMD). Housing: TSSOP. Housing (according to data sheet): TSSOP-20. VCC: 3...5.5V