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IMP706CUA

IMP Inc
Part Number IMP706CUA
Manufacturer IMP Inc
Description LOW-POWER P SUPERVISOR CIRCUITS
Published Apr 5, 2005
Detailed Description IMP705/6/7/8, 8 13L POWER MANAGEMENT Low-Power µP Supervisor Circuits – Watc hdog timer – Br o wnout det ection – Po w ...
Datasheet PDF File IMP706CUA PDF File

IMP706CUA
IMP706CUA

Overview
IMP705/6/7/8, 8 13L POWER MANAGEMENT Low-Power µP Supervisor Circuits – Watc hdog timer – Br o wnout det ection – Po w er suppl y monit or The IMP705/706/707/708 and IMP813L CMOS supervisor circuits monitor power-supply and battery voltage level, and µP/µC operation.
Compared to pin-compatible devices offered by Maxim Integrated Products, IMP devices feature 60 percent lower maximum supply current.
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.
65V (IMP705/707/813L) or 4.
40V (IMP706/708).
For 3V power supply applications, refer to the IMP705P/R/S/T data sheet.
In addition, the IMP705/706/813L feature a 1.
6 second watchdog timer.
The IMP707/708 have both active-HIGH and active-LOW reset outputs but no watchdog function.
The IMP813L has the same pin-out and functions as the IMP705 but has an active-HIGH reset output.
A versatile power-fail circuit has a 1.
25V threshold, useful in checking battery levels and non-5V 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.
Key Features N Improved replacements for the Maxim MAX705/6/7/8, MAX813L – 140µA maximum supply current – 60% improvement N Precision power supply monitor – 4.
65V threshold (IMP705/707/813L) – 4.
40V threshold (IMP706/8) N Debounced manual reset input N Voltage monitor – 1.
25V threshold – Battery monitor/Auxiliary supply monitor N Watchdog timer (IMP705/706/813L) N 200ms reset pulse width N Active HIGH reset output (IMP707/708/813L) N MicroSO package Applications N N N N N Computers and embedded controllers Battery-operated systems Intelligent instruments Wireless communication systems PDAs and handheld equipment Block Diagrams WDI VCC Transition Detector Watchdog Timer WDO RESET VCC 0.
25mA Timebase 0.
25mA MR VCC + + – ...


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