RV-2251-C3
DESCRIPTION
The RV-2251-C3 is a SMT Real-Time Clock Module that incorporates an integrated CMOS circuit together with an XTAL. It operates under vacuum in a hermetically sealed ceramic package with metal lid.
FEATURES
Low power consumption: 210 n A @ 3 V. Wide operating voltage range: 0.9 V to 5.5 V. Time accuracy: ±20 ppm @ 25°C. 3.0 V Regulated Output for ML rechargeable batteries (VREG). Level shifter for peripherals (VIO). User programmable offset value. Automatic Backup switchover function and VBAT monitoring. Provides year, month, date, weekday, hours, minutes and seconds. Time Update and Alarm functions. Clock output frequency: 32.768 k Hz. I2C-bus interface: 400 k Hz. 100% Pb-free, Ro HS-pliant. Automotive qualification according to AEC-Q200 available.
VDD VREG
VOUT
VBAT VSS
VIO VIOL SCL SDA CLKOUT INT
VOLTAGE DETECTOR1
VOLTAGE
REGULATOR 10
SW1 11
SW2 9
INTERNAL POWER SUPPLY & POR
BATTERY MONITOR
XTAL
FREQUENCY DIVIDER &
OFFSET PENSATION
VOLTAGE
DETE...
