(Hong Kong)
Product Summary
The RTC-4543SA is a serial-interface real time clock module.
Parametrics
RTC-4543SA absolute maximum ratings: (1)Power voltage: - 2.5 min, 5.0 typ, 5.5 max V; (2)Clock voltage: - 1.4 min, 5.0 typ, 5.5 max V; (3)Operating temperature: -40 min, +25 typ, +85 max ℃; (4)Power supply detection voltage: 1.4 min, 1.7 typ, 2.0 max V.
Features
RTC-4543SA features: (1)Built in frequency adjusted 32.768 kHz crystal unit; (2)Interface type: 3-wire serial interface; (3)Operating voltage range: 2.5 V to 5.5 V; (4)Wide Timekeeper voltage range: 1.4 V to 5.5 V; (5)32.768 kHz frequency output function: C-MOS output With Control Pin; (6)The various functions include full calendar, timer, and low voltage detection.
Diagrams
