8XC51SL LOW VOLTAGE 8XC51SL KEYBOARD CONTROLLER 80.
8XC51SL - LOW VOLTAGE 8XC51SL KEYBOARD CONTROLLER
8XC51SL LOW VOLTAGE 8XC51SL KEYBOARD CONTROLLER 80C51SL 81C51SL CPU with RAM and I O VCC e 5V g 10% 16K ROM Preprogrammed with SystemSoft Keyboard Con.