TMC-10 is a general purpose timer/counter and digital I/O board for PCs. It provides eight 16-bit Timer/Counter channels, two cascaded 32-bit Timer/Counter channels, 8-bit digital output and two internal clock sources ( 8 M / 1.6M; 0.8M/80K) selectable by jumper. Four 8254 chips provide a variety of powerful timer/counter function modes to match your industry and laboratory applications.
On board four 8254 timer/counter chips
Eight independent 16-bit timer/counter and two cascaded 32-bit Timer/Counter