General Description

The MIC50395 is an ion-implanted, P-channel MOS six decade synchronous up/down-counter/display driver with compare-register and storage-latches. The counter as well as the register can be loaded digit-by-digit with BCD data. The counter has an asynchronous-clear function.

Features

• Single power supply

• Schmitt-Trigger on the count-input

• Drives common anode or cathode displays (CA with buffer)

• Six decades of synchronous up/down counting

• Look-ahead carry or borrow

• Loadable counter

• Loadable compare-register with comparator output

• Multiplexed BCD and seven-segment outputs

• Internal scan oscillator

• Direct LED segment drive

• Interfaces directly with CMOS logic

• Leading zero blanking

• MIC50396 programmed to count time:

– 99 hrs. 59 min. 59 sec.

• MIC50397 programmed to count time:

– 59 hrs. 59 min. 99/100 min.