Electronics projects: Create A Digital Clock

Now-a-days most of the Electronic Hobbyist & Professionals are like to make Microcontroller based Digital clock circuit, the photographs here is a non microcontroller based Electronic Digital Clock. this clock needs only 2 ICs. no programming or any other chips needed for this clock.

 

Circuit Diagram:

Main clock chip-MM5387

Osc chip-MM5369

Features:

• 50Hz or 60Hz operation.
• Single Power Supply.
• 12/24 Hours Display Format.
• AM/PM output.
• 12/24 hour format.
• 24 hour alarm setting.
• Fast & Slow set control.
• Power failure Indication.
• All counters resettable.
• Direct interface to LED Displays.
• 9 minute snooze alarm.
• Presettable 59 min. sleep timers.