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ASM8500 Datasheet(PDF) 3 Page - Alliance Semiconductor Corporation

Part No. ASM8500
Description  Low Power 5V / 3.3V uP Reset Active LOW, Open - Drain Output
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Maker  ALSC [Alliance Semiconductor Corporation]
Homepage  http://www.alsc.com
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ASM8500 Datasheet(HTML) 3 Page - Alliance Semiconductor Corporation

   
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Notice: The information in this document is subject to change without notice
Low Power 5V / 3.3V µP Reset Active LOW, Open - Drain Output
ASM8500
rev 1.0
November 2003
Application Information
Operation - Power Monitor
The ASM8500 detects out-of-tolerance power supply
conditions. It resets a processor during power-up, power-
down and issues a reset to the system processor when the
monitored power supply voltage is below the reset threshold.
When an out-of-tolerance VCC voltage is detected, the
RESET signal is asserted. On power-up, RESET is kept
active (LOW) for approximately 1.5ms after the power supply
voltage has reached the selected tolerance. This allows the
power supply and microprocessor to stabilize before RESET
is released.
tRPU
VCCTP (MIN)
VOH
VCCTP
VCCTP (MAX)
tR
VCC
RESET
Figure 1: Timing Diagram: Power-Up
VCCTP (MIN)
VCCTP
VCCTP (MAX)
tF
VCC
tRPD
VOL
RESET
Figure 2: Timing Diagram: Power-Down


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Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
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ASM1233DLow Power 5V/3.3V uP Reset Active LOW Open-Drain Output 1 2 3 4 5 MoreAlliance Semiconductor Corporation
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ASM1233MLow Power 5V/3.0V uP Reset Active LOW Open-Drain Output 1 2 3 4 5 MoreAlliance Semiconductor Corporation
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ASM1812Low Power 5V uP Reset Active HIGH Push-Pull Output 1 2 3 4 5 MoreAlliance Semiconductor Corporation
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