Datasheet Details
- Part number
- DS1340
- Manufacturer
- Maxim Integrated ↗ Products
- File Size
- 223.29 KB
- Datasheet
- DS1340_MaximIntegratedProducts.pdf
- Description
- I2C RTC
DS1340 Description
DS1340 I2C RTC with Trickle Charger General .
The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00, including the software clock calib.
DS1340 Features
* Enhanced Second Source for the ST M41T00
* Completely Manages All Timekeeping Functions
* RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year
* Software Clock Calibration
* Oscillator Stop Flag
* Low-Power Operation Extends Battery Backup
DS1340 Applications
* Portable Instruments
Point-of-Sale Equipment
Medical Equipment
Telecommunications
Typical Operating Circuit
VCC VCC
CRYSTAL
VCC RPU
RPU
1
28
X1 6 SCL
X2
VCC 7
FT/OUT
CPU DS1340
5 SDA RPU = tR / CB
3 VBACKUP GND 4
C1
Pin Configurations appear at end of data sheet. UL is a registered tr
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