MAX792LCPE+ by Analog Devices

Microprocessor and Nonvolatile Memory Supervisory Circuits

Status: Active
Series: MAX792L, MAX792M, MAX792R, MAX792S, MAX792T
RoHS: Unknown
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The MAX792/MAX820 microprocessor (µP) supervisory circuits provide the most functions for power-supply and watchdog monitoring in systems without battery backup. Built-in features include the following: µP reset: Assertion of RESET and active-low RESET outputs during power-up, power-down, and brownout conditions. Active-low RESET is guaranteed valid for VCC down to 1V. Manual-reset input. Two-stage power-fail warning: A separate low-line comparator compares VCC to a preset threshold 120mV above the reset threshold; the low-line and reset thresholds can be programmed externally. Watchdog fault output: Assertion of active-low WDO if the watchdog input is not toggled within a preset timeout period. Pulsed watchdog output: Advance warning of impending active-low WDO assertion from watchdog timeout that causes hardware shutdown. Write protection of CMOS RAM, EEPROM, or other memory devices. The MAX792 and MAX820 are identical, except the MAX820 guarantees higher low-line and reset threshold accuracy (±2%).

Where to Buy

Prices starting from US$5.78

Distributor Stock
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Farnell
from US$8.66
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Features

Manual-Reset Input
200ms Power OK/Reset Time Delay
Independent Watchdog Timer-Preset or Adjustable
On-Board Gating of Chip-Enable Signals
Memory Write-Cycle Completion
10ns (max) Chip-Enable Gate Propagation Delay
Voltage Monitor for Overvoltage Warning
±2% Reset and Low-Line Threshold Accuracy (MAX820, external programming mode)

Specifications

Reset Thresh. (V) 2.5 to 3.33.3 to 5.5
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active HighActive LowPush-Pull
tRESET (min) 85ms to 300ms
Watchdog Feature Cap AdjustableInput (WDI)Input/Output (WDI/WDO)
Watchdog Timeout 1s to 2s<1s>2sAdjustable
Supervisor Features Manual ResetPower Fail Comparator/Low Battery Detect
ICC (µA) (max) 150
Package/Pins PDIP/16SOIC (N)/16
BudgetaryPrice (See Notes) 4.51


MAX792LCPE+ Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR DIP-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage 4.62V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 2.75V
Supply Voltage Max -
Reset Type Active-High Push-Pull / Active-Low Push-Pull
Digital IC Case DIP
No. of Pins 16Pins
Delay Time 200ms
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Microprocessor and Nonvolatile | Analog Devices
MPU SUPERVISOR, DIP-16 | Farnell

Frequently Asked Questions

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Is the MAX792LCPE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14 and Farnell have stock available or on a lead time for MAX792LCPE+ .

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