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UCC3946PW The Texas Instruments UCC3946PW is a microprocessor supervisor IC designed for reliable system monitoring. It features a single monitored supply and an active-low push-pull reset output.
Mfr Part #:

UCC3946PW

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC3946PW is a microprocessor supervisor IC designed for reliable system monitoring. It features a single monitored supply and an active-low push-pull reset output.
✓ Total Stock: 36,160 pcs
$ Price Range: $3.05

UCC3946PW Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
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36,160 pcs
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UCC3946PW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Input Voltage
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Quiescent Current
Reset
Reset Timeout
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
Watchdog Timer
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UCC3946PW Description

Short technical summary and product information.

The Texas Instruments UCC3946PW is a microprocessor supervisor IC that provides essential reset and watchdog functions for embedded systems. It monitors a single supply voltage and offers a programmable reset threshold with 2% accuracy. The device asserts an active-low, push-pull reset signal when the supply voltage drops below the threshold or during power-up, remaining asserted until the voltage is stable.

 

Key features include a watchdog timer for monitoring microprocessor activity and a reset time delay. The operating temperature range is 0°C to 70°C, making it suitable for various industrial applications. The UCC3946PW is available in an 8-TSSOP package, designed for surface mounting.

 

This supervisor IC is designed to be resistant to glitches on the VDD line, ensuring stable operation. The reset threshold and reset period are user-programmable, offering flexibility in system design. The device requires minimal input current, drawing a maximum of 18µA.

UCC3946PW Quick Information

Product Type: Microprocessor Supervisor
Canonical Name: UCC3946PW Microprocessor Supervisor with Watchdog Timer
Subcategory: Reset & Watchdog ICs

UCC3946PW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UCC3946PW Estimated Pricing

Qty Low High
1+ $3.05 $3.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

UCC3946PW Features

  • Monitors a single supply voltage.
  • Provides active-low, push-pull reset output.
  • Features programmable reset threshold.
  • Includes a watchdog timer function.
  • Operates from 0°C to 70°C.

UCC3946PW Applications

  • Essential for microprocessor system supervision.
  • Ensures reliable power-on reset sequences.
  • Monitors critical voltage levels.
  • Used in embedded control systems.
  • Suitable for industrial applications.

UCC3946PW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the UCC3946PW?

The operating temperature range for the UCC3946PW is 0°C to 70°C.

What type of reset does the UCC3946PW provide?

The UCC3946PW provides an active-low, push-pull reset output.

How many supply voltages can the UCC3946PW monitor?

The UCC3946PW can monitor one supply voltage.

What is the typical threshold voltage for the UCC3946PW?

The typical threshold voltage for the UCC3946PW is 1.235V.

What is the reset timeout for the UCC3946PW?

The reset timeout for the UCC3946PW is a minimum of 160ms.

What is the package type for the UCC3946PW?

The UCC3946PW is available in an 8-TSSOP package.

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