SDL9051 Description
The clock IC SDL9051 is a low-threshold-voltage, ion-implanted metal gate CMOS integrated circuit that provides signals to drive a 4-digit duplexes liquid crystal display with colon, PM/AM-Time mark and AL/CH mark. month, date, hour, minute, second Setting alarm time with/without 4.5min snooze 30-second alarm sound Chime on every hour User selectable 12-hour/24-hour format 4 year calendar One-touch correction of...
SDL9051 Key Features
- Single-chip CMOS construction
- Drives 4-bigit duplexes LCD with PM/AM-Time, alma mark and chime mark
- Colon display
- Direct drive of piezoelectric transducer
- Low power dissipation
- 32,768Hz crystal frequency
- On-chip oscillator, capacitor and resistors
- On-chip voltage doublers
- Single 1.5V battery operation
- Denounce circuitry on switch inputs