| Applications Core Processor Program Memory Type Controller Series RAM Size Interface Number of I/O Voltage - Supply Operating Temperature Mounting Type Package / Case Supplier Device Package | USB Microcontroller M8A OTP (4 kB) CY7C631xx 128 x 8 USB 16 4 V ~ 5.25 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154, 3.90mm Width) 24-QSOP |