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DS4510：CPU Supervisor with Nonvolatile Memory and Programmable I/O

The DS4510 is a CPU supervisor with integrated 64-byte EEPROM memory and four programmable, nonvolatile (NV) I/O pins. It is configured with an industry-standard I²C interface using either fastmode (400kbps) or standard-mode (100kbps) communication. The I/O pins can be used as general-purpose I²C-to-parallel I/O expander with unlimited read/write capability. EEPROM registers allow the power-on value of the I/O pins to be adjusted to keep track of the system's state through power cycles, and the CPU supervisor's timer can be adjusted between 125ms and 1000ms to meet most any application need.

Key Features Accurate 5%, 10%, or 15% 5V Power-Supply Monitoring Programmable Reset Timer Maintains Reset After VCC Returns to an In-Tolerance Condition Four Programmable, NV, Digital I/O Pins with Selectable Internal Pullup Resistor 64 Bytes of User EEPROM Reduces Need for Discrete Components I²C-Compatible Serial Interface 10-Pin µSOP Package

DS4510: Typical Operating Circuit Applications/Uses Cell Phones Industrial Controls PC Peripherals PDAs RAM-Based FPGA Bank Switching for Multiple Profiles

DataSheet

Parametrics

Quality and Environmental Data

• DS4510.pdf

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