PIC18F26K22-I/SP (PDIP/ SOIC)
This PIC18F26K22-1/SP is a 28-pin Flash-based 16 MIPS operation, 16-bit wide instructions, 8-bit wide data path microcontroller with In-Circuit Debug (ICD) mode.
4x3 Keypad is used to allow user to key in decimal number (0-9), * and # keys.
Features:
Dimension:

Photos (with iBoard):
Tutorial: