DS1372
DS1372 is Binary Counter Clock manufactured by Maxim Integrated.
Description
The DS1372 is a 32-bit binary up counter and 24-bit down counter with a unique 64-bit ID. The counters, ID, configuration, and status registers are accessed using an I 2 C serial interface. The DS1372 includes a SQW/INT open-drain output that can output either a square wave at one of four predefined frequencies, or it can output an active-low signal when the 24-bit down counter reaches 0.
Features
- pliant with Microsoft Windows Media® DRM 10 for Portable Devices
- 32-Bit Binary Counter
- Programmable Alarm
- 64-Bit Factory-Programmed ID
- Interrupt Output
- I2C Serial Interface
- Two Selectable I2C Addresses
- 2.4V to 5.5V Operating Voltage Range
- 1.3V to 5.5V Timekeeping Operating Range
- -40°C to +85°C Operating Temperature Range
- 8-Pin µSOP
Applications
Portable Audio and Video Players
Pin Configuration
TOP VIEW
X1 X2 AD0 GND 1 2 3 4
Ordering Information
+
8 7 VCC SQW/INT SCL SDA
PART DS1372U+
TEMP RANGE -40°C to +85°C
PIN-PACKAGE 8 μSOP
TOP MARK 1372
6 5
μSOP
+Denotes a lead-free package. This symbol also appears on the top mark.
Windows Media is a registered trademark of Microsoft Corp.
Typical Operating Circuit
VCC CRYSTAL VCC
RPU SCL
X1
X2 VCC SQW/INT
CPU SDA RPU = t R / CB
AD0
________________________________________________________________ Maxim Integrated...
