ASM809

Features:

• Monitor 5V, 3.3V and 3V supplies
• 140ms min. reset pulse width
• Active-low reset valid with 1.1V supply (ASM809)
• Small 3-pin SOT-23 package
• No external components
• Specified over full temperature range - -40°C to 105°C


Application

• Embedded controllers
• Portable/Battery operated systems
• Intelligent instruments
• Wireless communication systems
• PDAs and handheld equipment
• Computers


Pinout




Specifications

Parameter	Min	Max	Units
Pin Terminal Voltage With Respect To Ground
VCC	-0.3	6.0	V
RESET, RESET	-0.3	VCC + 0.3	V
Input current at VCC		20	mA
Output current: RESET, RESET		20	mA
Rate of Rise at VCC		100	V/µs

Description

The ASM809/ASM810 are cost effective 3.0V, 3.3V and 5.0V power supply supervisor circuits optimized for low-power microprocessor (µP), microcontroller (µC) and digital systems. They provide a reset output during power-up, power down and brown-out conditions. They provide excellent reliability by eliminating external components and adjustments. The ASM809/810 are improved drop-in replacements for the Maxim MAX809/810 and feature 60% lower supply current.