LM8562
9. 50/60 Hz INPUT Pin
The LM8562 contains a Schmitt circuit so that a simple CR filter can be used to remove the noise of commercial frequency
50/60 Hz.
10. 12/24-Hour Mode, 50/60 Hz Select
The 3-level input MODE SELECT pin provides the following combinations.
MODE SELECT Pin Input
VDD
OPEN
VSS
Select
12-hour mode & 60 Hz
12-hour mode & 50 Hz
24-hour mode & 50 Hz
Sample Application Circuit
No.2658-6/7