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MM1075XFF
IC for System Reset (with built-in watchdog timer) MM1075 MITSUMI IC for System Reset (with built-in watchdog timer) Monolithic IC MM1075 Outline This IC functions in a variety of CPU systems and other logic systems to generate a reset signal and reset the system accurately when the power is turned on or interrupted. It includes a watchdog timer which allows diagnosis of the system operation, so that it prevents system runaway by intermittently generating a reset pulse when system misoperation occurs. Features 1. 2. 3. 4. 5. 6. 7. Built-in watchdog timer Low minimum operating voltage VCC=0.8V typ. Positive and negative logic reset outputs can be extracted Accurate detection of drop in supply voltage Detection voltage with hysteresis Few external components one capacitor Timer monitoring time can be varied by using an external resistor. Packages DIP-8A (MM1075XD) SOP-8A (MM1075XF) Application Microcomputer system monitoring, etc. Absolute Maximum Ratings (Ta=25°C) Item Symbol Rating Units Storage temperature TSTG -40~+125 °C Operating temperature TOPR -20~+70 °C Power supply voltage VCC max. -0.3~+10 V Voltage applied to VS & CK pins VVS &VCK -0.3~+10 V Voltage applied to RESET, RESET pin VOH -0.3~+10 V Allowable loss Pd 400 mW -------------------------------------------------------------
MITSUMI
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日本
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