PST623

MITSUMI System Reset PST623 System Reset Monolithic IC PST623 Outline This low reset type IC functions in CPU and other logic systems to detect input voltage and reset the system accurately when power is turned on or interruped. Features 1. 2. 3. 4. 5. 6. 7. Detection voltage can be set easily (2 external resistors) High percision voltage detection Internal reference voltage Enables high voltage check (at stage before Reg) Low operating limit voltage High output current during ON Low current consumption Built-in delay circuit (1 external capacitor) 1.25±2% 0.65V typ. 10mA min. 40µA typ. Applications 1. Reset circuits in microcomputers, CPUs and MPUs 2. Logic circuit reset circuits 3. Level detection circuits Package VSOP-8A (PST623XS) SIP-5A (PST623XW) www.DataSheet4U.com Pin Assignment 1 2 8 7 6 5 3 4 5 1 2 3 4 6 7 VSOP-8A 8 VS NC TC GND RESET NC NC VCC 1 2 3 SIP-5A 4 5 1 2 3 4 5 VCC VS TC GND RESET MITSUMI System Reset PST623 Absolute Maximum Ratings (Ta=25°C) Symbol TSTG VCC max. Pd max. VID Rating -40~+125 10 300 -0.3~VCC Units °C V mW V Item Storage temperature Maximum power supply voltage Allowable power consumption Input pin voltage Recommended Operating Conditions Item Power supply voltage Operating temperature Symbol VCCOP TOPG Rating 2.0~10.0 -25~+75 Units V °C Electrical Characteristics Item Detection reference voltage Hysteresis voltage Detection reference voltage temperature coefficient L level output voltage Output leakage current Circuit current w...