This part is listed as a “Digital Alarm Clock”. With a bit more internet searching, I think this is the chip that is in the majority of alarm clocks. If you set time and alarms by holding one ...

Digital clocks may be easier for some people ... as well as models with multiple sound options. For a basic alarm clock, Sharp’s AccuSet Jumbo impressed me with its thoughtful design, big ...

【Upgraded Big Screen Display】- Experience the luxury of a 5.5" High Resolution Digital Alarm Clock that spells out the time, date, and temperature clearly. The illuminated LED digits ensure ...

Like many clocks in the 70’s and 80’s, the Heathkit alarm clock was based upon the National Semiconductor MM5316 Digital Alarm Clock chip. The MM5316 operates at 8 – 22 volts, so it couldn ...