DS1371 Datasheet | Maxim Integrated

Features - - - - - - - - 32-Bit Binary Counter 24-Bit Binary Counter Provides Periodic Alarm, Watchdog Timer, or RAM Strobe Input to Reset Watchdog Timer Single Output Configurable as Interrupt or Square Wave 2-Wire Serial Interface Low-Voltage Operation Operating Temperature Range: -40°C to +85°C Available in 8-Pin m SOP also provided. If enabled as a watchdog timer, the watchdog strobe input pin provides a hardware reset of the counter. If disabled, this counter can be used as 3 Bytes of generalpurpose RAM. A configurable output can be used as an interrupt or provide a square wave at one of four selectable frequencies. The device is programmed serially through a 2-wire bidirectional bus. Applications Servers Point-of-Sale Equipment Portable Instruments Elapsed Time Measurements Typical Operating Circuit m o .c U 4 t e e h S a t a .D w w w Ordering Information PART TEMP RANGE DS1371U -40°C to +85°C PINPACKAGE 8 µSOP TOP MARK DS1371 Pin Configuration TOP VIEW X1 X2 1 2 3 4 8 7 6 5 SQW/INT Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, click here: .maxim-ic./errata. 1 of 14 m o .c µSOP U 4 t e e h S a at .D w w w REV: 051203 ABSOLUTE MAXIMUM RATINGS Voltage Range on VCC Pin Relative to Ground Voltage Range on SDA, SCL, and WDS Relative to Ground Operating Temperature Range Storage Temperature Range Soldering Temperature -0.3V to +6.0V -0.3V to VCC +0.5V -40°C to +85°C -55°C to +125°C See IPC/JEDEC J-STD-020A Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to...