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X80144

Features: • Quad Voltage Monitor and Sequencing -Four independent voltage monitors - Four time delay circuits (in circuit programmable) - Remote delay via SMBus - Factory programmable voltage thresholds - Sequence up to 5 power supplies.• Fault Detection Register - Remote diagnostics o...

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SeekIC No. : 004547441 Detail

X80144: Features: • Quad Voltage Monitor and Sequencing -Four independent voltage monitors - Four time delay circuits (in circuit programmable) - Remote delay via SMBus - Factory programmable voltage ...

X80144 Data Sheet

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Part Number:
X80144
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Quad Voltage Monitor and Sequencing
  - Four independent voltage monitors
  - Four time delay circuits (in circuit programmable)
  - Remote delay via SMBus
  - Factory programmable voltage thresholds
  - Sequence up to 5 power supplies.
• Fault Detection Register
  - Remote diagnostics of voltage fail event.
• Debounced Manual Reset Input
• Manufacturing/Configuration Memory
  - 2Kbits of EEPROM
  - 400kHz SMBus interface
• Available Packages
  - 20-lead Quad No-Lead Frame (QFN - 5x5mm)


Application

• General Purpose Timers
• Long Time Delay Generation
• Cycle Timers / Waveform Generation
• ON/OFF Delay Timers
• Supply Sequencing for Distributed Power
• Programmable Delay Event Sequencing
• Multiple DC-DC ON/OFF Sequencing
• Voltage Window Monitoring with Reset
• ON/OFF Switches with Programmable Delay
• Voltage Supervisor with Programmable Output Delays
• Databus Power Sequencing
• 100 ms to 5 secs Selectable Delay Switches
• ATE or Data Acquisition Timing Applications
• Datapath/Memory Timing Applications
• Data Pipeline Timing Applications
• Batch Timer/Sequencers
• Adjustable Duty Cycle Applications


Pinout

Connection Diagram


Specifications

Temperature under bias . . . . . . . . . . . . . . . . . . . -65°C to +135°C
Storage temperature . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
ViMON pins (i = 1 to 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
ViGDO pins (i = 1 to 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
SDA, SCL, WP, A0, A1 pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
MR pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
VP pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V
D.C. output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Lead temperature (soldering, 10 seconds) . . . . . . . . . . . . . . . 300°C


Description

The X80140 is a voltage supervisor/sequencer with four built in voltage monitors. This allows the designer to monitor up to four voltages and sequence up to five events.

Low voltage detection circuitry of X80140 protects the system from power supply failure or "brown out" conditions, resetting the system and resequencing the voltages when any of the monitored inputs fall below the minimum threshold level. The RESET pin is active until all monitored voltages reach proper operating levels and stabilize for a selectable period of time. Five common low voltage combinations are available,however, Intersil's unique circuits allow the any voltage
monitor threshold to be reprogrammed for special needs or for applications requiring higher precision.

A manual reset input of X80140 provides debounce circuitry for minimum reset component count. Activating the manual reset both controls the RESET output and resequences the supplies through control of the ViGDO pins.

The X80140 has 2kb of EEPROM for system configuration,manufacturing or maintenance information. This memory is
protected to prevent inadvertent changes to the contents.




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