The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
Real time clock module
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RTC-4543SA/SB
• Builtin crystal unit allows adjustment-free efficient operation. • Automatic leap year correction. • Output selectable between 32.768 KHz/1 Hz. • Operating voltage range: 2.5V to 5.5V. • Supply voltage detection voltage: 1.7±0.3V. • Low current consumption: 1.0 µA/2.0V (Max.)
Actual size
Specifications (characteristics) Absolute Max. rating
Item
Symbol Condition
Min.
Power source voltage
VDD
VDD-GND
Input voltage
VIN
-0.3
Output voltage
VOUT
—
Storage temperature TSTG
-55
Max. Unit 7.0
V VDD+0.3
+125
˚C
Operating range
Item
Symbol
Operating voltage
VDD
Date holding voltage VCLK
Operating temperature TOPR
Condition —
Min.
Max. Unit
2.5
5.5
V
1.
RTC-4543SA Datasheet
