X4643集成电路（IC）的监控器规格书PDF中文资料

X4643属于集成电路（IC）的监控器。由瑞萨科技有限公司制造生产的X4643监控器PMIC 监控器用于监视和/或控制电路中的电压轨，能够连接微控制器以维持一定的功率限值。监控器类型包括电池备用电路、监控器、多电压监控器、电源监控器、稳压器/监控器、复位计时器、定序器、简单复位/上电复位、智能开/关控制器、系统管理器、电压检测器和看门狗电路。

FEATURES

• Selectable watchdog timer

• Low VCC detection and reset assertion

—Four standard reset threshold voltages

—Adjust low VCC reset threshold voltage using

special programming sequence

—Reset signal valid to VCC = 1V

• Low power CMOS

—<20μA max standby current, watchdog on

—<1μA standby current, watchdog off

—3mA active current

• 64Kbits of EEPROM

—64-byte page write mode

—Self-timed write cycle

—5ms write cycle time (typical)

• Built-in inadvertent write protection

—Power-up/power-down protection circuitry

• 400kHz 2-wire interface

• 2.7V to 5.5V power supply operation

• Available packages

—8-lead SOIC

—8-lead TSSOP