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  • STWD100NYWY3F

STWD100NYWY3F

5V5 Terminals 5-Pin STWD100 Voltage supervisorAutomotive, AEC-Q100 Series Min -300mV Max 7V


  • Manufacturer: STMicroelectronics
  • Origchip NO: 761-STWD100NYWY3F
  • Package: SC-74A, SOT-753
  • Datasheet: PDF
  • Stock: 247
  • Description: 5V5 Terminals 5-Pin STWD100 Voltage supervisorAutomotive, AEC-Q100 Series Min -300mV Max 7V (Kg)

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Details

Tags

Parameters
Factory Lead Time 14 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Contact Plating Gold
Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Number of Pins 5
Weight 29.993795mg
Operating Temperature -40°C~125°C TA
Packaging Cut Tape (CT)
Series Automotive, AEC-Q100
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 5
ECCN Code EAR99
Type Watchdog Circuit
Terminal Finish Tin (Sn)
Power Rating 320mW
Max Power Dissipation 320mW
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Supply Voltage 5V
Base Part Number STWD100
Output Open Drain or Open Collector
Pin Count 5
Operating Supply Voltage 5V
Number of Elements 1
Max Supply Voltage 7V
Min Supply Voltage -300mV
Nominal Supply Current 13μA
Power Dissipation 320mW
Output Current 20μA
Watchdog Timer Yes
Reset Active Low
Reset Timeout 1.12s Minimum
Ambient Temperature Range High 125°C
Height 1.45mm
Length 2.9mm
Width 1.6mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free

Description


The self-contained STWD100NYWY3F watchdog timer circuits guard against system failures brought on by specific hardware flaws (such as non-responding peripherals and bus congestion) or software flaws (such as a bad code jump and a code stuck in a loop).

The watchdog timer STWD100NYWY3F has two outputs: WDO and WDI. Within the designated timeout period, twd, the input is utilized to regularly clear the internal watchdog timer. The watchdog input, WDI, is frequently toggled when the system is functioning properly. In the event of a system failure, a system alarm is generated, the watchdog output, WDO, is asserted, and the watchdog timer is not reset.

The watchdog capability of the STWD100NYWY3F circuit can also be enabled or disabled via the enable pin EN. The internal pull-down resistor is connected to the EN pin. If the EN pin is left floating, the device is enabled.



Features


  • Operating temperature range: –40 to 125 °C

  • Packages: SOT23-5 and SC70-5 (SOT323-5)

  • ESD performance

-HBM: 2000 V

-CDM: 1000 V

  • Automotive qualified

  • Current consumption 13 μA typ.

  • Available watchdog timeout periods are 3.4 ms, 6.3 ms, 102 ms, and 1.6 s

  • Chip enable input

  • Open drain or push-pull WDO output



Applications


  • Networking

  • Medical equipment

  • UPS (uninterruptible power supply)

  • Automotive

  • Telecommunications

  • Alarm systems

  • Industrial equipment