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ADM8617

Features: Precision 1.8V to 5V Power Supply Monitoring9 Reset Threshold Options: 1.58V to 4.63V140ms (Min) Reset TimeoutManual Reset Input (ADM8611)Watchdog Timer (ADM8616ADM8618)Reset Output Stages Push-Pull Active-Low Open-Drain Active-Low Push-Pull Active-HighLow Power Consumption (3µA)Gu...

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SeekIC No. : 004276050 Detail

ADM8617: Features: Precision 1.8V to 5V Power Supply Monitoring9 Reset Threshold Options: 1.58V to 4.63V140ms (Min) Reset TimeoutManual Reset Input (ADM8611)Watchdog Timer (ADM8616ADM8618)Reset Output Stages...

ADM8617 Data Sheet

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Part Number:
ADM8617
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Precision 1.8V to 5V Power Supply Monitoring
9 Reset Threshold Options: 1.58V to 4.63V
140ms (Min) Reset Timeout
Manual Reset Input (ADM8611)
Watchdog Timer (ADM8616ADM8618)
Reset Output Stages
   Push-Pull Active-Low
   Open-Drain Active-Low
   Push-Pull Active-High
Low Power Consumption (3µA)
Guaranteed Reset Output valid to VCC=1V
Power Supply Glitch Immunity
Specified Over -40°C to +85°C Temperature Range
4-Lead SC70 Package


Application

Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Portable Equipment


Pinout

Connection Diagram


Specifications

Parameter Rating
VCC -0.3V to +6V
RESET/RESET -0.3V to +6V
Output Current (RESET, RESET) 20mA
Operating Temperature Range -40°C to +85°C
Storage Temperature Range -65°C to +150°C
JA Thermal Impedance, SC70 146°C/W
Lead Temperature Soldering (10 sec) 300°C
Vapour Phase (60 sec) 215°C
Infrared (15 sec) 220°C



Description

The ADM8611/ADM8616/ADM8617/ADM8618 are supervisory circuits which monitor power supply voltage levels
and code execution integrity in microprocessor-based systems. A power-on-reset signal is generated when the supply voltage rises to a preset threshold level. The ADM8611's debounced manual reset input can be used to initiate a reset by means of an external push-button or logic signal. The ADM8611/ADM8616/ADM8617/ADM8618 have an on-chip watchdog timer which can reset the microprocessor if it fails to strobe within a preset timeout period.

Each part of ADM8611/ADM8616/ADM8617/ADM8618 is available in a choice of the following 9 reset threshold options: 1.58V, 1.67V, 2.19V, 2.32V, 2.63V, 2.93V,
3.08V, 4.38V and 4.63V. The reset timeout periods are 20ms (min) and 140ms (min) for the ADM8611 and ADM8616 ADM8618, respectively. The watchdog timeout period is 1.6s (typ). The parts differ in terms of reset output configuration, as indicated in table 1.

The ADM8611/ADM8616/ADM8617/ADM8618 are available in 4-lead SC70 packages and typically consume only 3µA,
making them suitable for use in low power portable applications.




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