RV1805C3 Datasheet Text
Real Time Clock
- I2C Bus
3.70 (typ)
2.50 (typ)
0.90 (max)
SOLDER PAD LAYOUT
0.80
0.60
15 10 6
3.00
0.80
0.30 0.50 0.80 TOP VIEW
PAD CONNECTION 1 Supply (VDD) 2 Capacitor RC-oscillator 3 Clock/Interrupt (CLK/INT) 4 Serial clock input (SCL) 5 Serial data (SDA)
PAD CONNECTION 6 Ground (VSS) 7 Backup supply voltage 8 Power switch output (PSW) 9 Watchdog input (WDI) 10 Reset output (RST)
Features
Extremely low current consumption Miniature package with integrated crystal Trickle charger, power management & switch Backup battery input (internal switchover) Programmable alarm, timer and interrupt
Block Diagram
RV1805C3
Specifications
Parameters
Frequencies (programmable): 32.768kHz ~ 1/60Hz
Frequency tolerance @ 25°C: ±100ppm typ
Product RV1805C3
- -
Time accuracy: ±2ppm typ (0.17s/day) @ 25°C
- Operating temperature range: -40 to +85°C
- Storage temperature range: -55 to +125°C
- Frequency / temp coefficient: -0.035ppm/°C2 ±10%
- Supply voltage (VDD): I2C bus active 1.6 ~ 3.6V
Time-keeping mode 1.5 ~ 3.6V...