MAX6315US41D1-T中文资料

19-2000; Rev 3; 12/05

Open-Drain SOT µP Reset Circuit

________________General Description

____________________________Features

The MAX6315 low-power CMOS microprocessor (µP)supervisory circuit is designed to monitor power sup- Small SOT143 Package

plies in µP and digital systems. It provides excellent cir- Open-Drain RESETOutput Can Exceed VCCcuit reliability and low cost by eliminating external Precision, Factory-Set VCCReset Thresholds:components and adjustments. The MAX6315 also pro-100mV Increments from 2.5V to 5V

vides a debounced manual reset input.

Four Reset Timeout Periods Available: This device performs a single function: it asserts a reset1ms, 20ms, 140ms, or 1120ms (minimum) signal whenever the VCCsupply voltage falls below apreset threshold or whenever manual reset is asserted. Immune to Short VCCTransientsReset remains asserted for an internally programmed 5µA Supply Current

interval (reset timeout period) after V Pin-Compatible with MAX811the reset threshold or manual reset is deasserted. TheCC has risen above Guaranteed Over Temperature

MAX6315’s open-drain RESEToutput can be pulled upto a voltage higher than VCC.

______________Ordering Information

The MAX6315 comes with factory-trimmed reset thresh-old voltages in 100mV increments from 2.5V to 5V.Preset timeout periods of 1ms, 20ms, 140ms, and1120ms (min) are also available. The device comes in aSOT143 package.

The MAX6315 is available in a SOT143 package, -40°C to

For microcontrollers (µCs) and µPs with bidirectional+125°C temperature range.

reset pins, see the MAX6314 data sheet.

The first two letters in the package top mark identify the part,while the remaining two letters are the lot tracking code.

________________________Applications

Devices are available in both leaded and lead-free packaging.Specify lead-free by replacing “-T” with “+T” when putersNote:All devices available in tape-and-reel only. Contact fac-Controllers

tory for availability.

Intelligent Instruments

Critical µP and µC Power MonitoringPortable/Battery-Powered Equipment

Ordering Information continued at end of data sheet.

__________Typical Operating Circuit

________________________________________________________________Maxim Integrated Products1

For pricing delivery, and ordering informationplease contact Maxim/Dallas Direct!at 1-888-629-4642, or visit Maxim’s website at .

MAX6315