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ASM705CSA Datasheet(PDF) 1 Page - ON Semiconductor |
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ASM705CSA Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 13 page © Semiconductor Components Industries, LLC, 2011 August, 2011 − Rev. 3 1 Publication Order Number: ASM705/D ASM705, ASM706, ASM707, ASM708, ASM813L Low Power mP Supervisor Circuits Description The ASM705 / 706 / 707 / 708 and ASM813L are cost effective CMOS supervisor circuits that monitor power−supply and battery voltage level, and mP/mC operation. The family offers several functional options. Each device generates a reset signal during power−up, power−down and during brownout conditions. A reset is generated when the supply drops below 4.65 V (ASM705/707/813L) or 4.40 V (ASM706/708). For 3 V power supply applications, refer to the ASM705P/R/S/T data sheet. In addition, the ASM705/706/813L feature a 1.6 second watchdog timer. The ASM707/708 have both active−HIGH and active−LOW reset outputs but no watchdog function. The ASM813L has the same pin−out and functions as the ASM705 but has an active−HIGH reset output. A versatile power−fail circuit has a 1.25 V threshold, useful in low battery detection and for monitoring non−5 V supplies. All devices have a manual reset (MR) input. The watchdog timer output will trigger a reset if connected to MR. All devices are available in 8−pin DIP, SO and MicroSO packages. Features • Precision Power Supply Monitor 4.65 V Threshold (ASM705/707/813L) 4.40 V Threshold (ASM706/708) • Debounced Manual Reset Input • Voltage Monitor 1.25 V Threshold Battery Monitor / Auxiliary Supply Monitor • Watchdog Timer (ASM705/706/813L) • 200 ms Reset Pulse Width • Active HIGH Reset Output (ASM707/708/813L) • MicroSO Package Applications • Computers and Embedded Controllers • Portable/Battery−operated Systems • Intelligent Instruments • Wireless Communication Systems • PDAs and Hand−held Equipment • Automotive Systems • Safety Systems http://onsemi.com PIN CONFIGURATIONS See detailed ordering and shipping information in the package dimensions section on page 11 of this data sheet. ORDERING INFORMATION PDIP−8 P SUFFIX CASE 646AA SOIC−8 S SUFFIX CASE 751BD MR VCC GND PFI RESET RESET NC PFO ASM707 ASM708 1 MR VCC GND PFI WDO RESET (RESET) WDI PFO ASM705 ASM706 (ASM813L) 1 DIP/SO (Top Views) MICRO−8 U SUFFIX CASE 846AA MicroSO (Top Views) RESET RESET MR VCC NC PFI GND 1 PFO RESET (RESET) WDO MR VCC WDI PFI GND 1 PFO ASM707 ASM708 ASM705 ASM706 (ASM813L) |
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