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CAT706RVI-G Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT706RVI-G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 14 page CAT705, CAT706, CAT813 © 2010 SCILLC. All rights reserved. 1 Doc. No. MD-3030, Rev. D Characteristics subject to change without notice µP Supervisory Circuits FEATURES n Reset guaranteed valid for 1.0 V V CC n 6µA supply current n 200ms Reset pulse width n Watchdog timer function 1.6s timeout n Accurate brownout detection reset in 3.0, 3.6, and 5.0 volt systems n Secondary low supply monitoring on PFI input n Pin and function compatible with the MAX705/MAX706/MAX813L products n Operating Range from -40°C to +85°C n RoHS Compliant SOIC 8-lead and MSOP 8-lead packages APPLICATIONS n Microprocessor and microcontroller based systems n Instrument and control systems n Portable equipment DESCRIPTION The CAT705, CAT706, and CAT813 provide reset and monitoring functions for the electronic systems. Each device monitors the system voltage and maintains a reset output until that voltage reaches the device’s specified trip value and then maintains the reset output active condition until the device’s internal timer allows the system power supply to stabilize. The devices have a watchdog input which can be used to monitor a system signal and causes WDO ¯¯¯¯ to go low if the signal fails to change state prior to a timeout condition. The supervisory circuits provide a MR ¯¯¯ input which initiates a reset if pulled low. The CAT705 and CAT706 provide an active low RESET ¯¯¯¯¯¯ output. The CAT813 provides an active high RESET output. There is a secondary supply monitor (PFI) included for power-fail warning. For Ordering Information details, see page 13. PIN CONFIGURATION SOIC 8-Lead 2 3 1 4 WDO WDI 8 RESET 7 6 MR VCC PFI PFO 5 GND (RESET for CAT813) MSOP 8-Lead 2 3 1 4 WDI PFI 8 PFO 7 6 RESET (RESET for CAT813) WDO VCC GND 5 MR PIN FUNCTIONS Pin Name Function MR ¯¯¯ Manual Reset Input VCC Power Supply GND Ground PFI Power Fail voltage monitor Input. PFO ¯¯¯¯ Power Fail Output WDI Watchdog Timer Input RESET ¯¯¯¯¯¯ CMOS Push-Pull Active Low Reset Output (CAT705 & CAT706) RESET CMOS Push-Pull Active High Reset Output (CAT813) WDO ¯¯¯¯¯ Watchdog Timer Output |
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