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N84C161WD42TG The ON Semiconductor N84C161WD42TG is a supervisory circuit with integrated 16Kb EEPROM and a watchdog timer. It operates from 2.7V to 6V and is available in an 8-SOIC package.
Mfr Part #:

N84C161WD42TG

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor N84C161WD42TG is a supervisory circuit with integrated 16Kb EEPROM and a watchdog timer. It operates from 2.7V to 6V and is available in an 8-SOIC package.
✓ Total Stock: 16,000 pcs
$ Price Range: $0.75

N84C161WD42TG Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

N84C161WD42TG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Memory Size
Memory Type
Mounting Type
Number of Voltages Monitored
Operating Temperature
Operating Voltage
Output
Reset
Reset Timeout
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
Watchdog Timer
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N84C161WD42TG Description

Short technical summary and product information.

The ON Semiconductor N84C161WD42TG is a supervisory circuit designed for microcontroller-based systems. It integrates a 16Kb serial EEPROM with hardware write protection, a system power supervisor with brown-out protection, and a watchdog timer. The device operates via an I2C bus and is compatible with 400 kHz speeds.

 

Key electrical features include an operating voltage range of 2.7V to 6V, a reset threshold voltage of 4.25V, and a reset timeout of 130ms minimum. It supports both active high and active low reset outputs. The N84C161 variant includes a watchdog timer that monitors the SDA signal.

 

This component is housed in an 8-SOIC package suitable for surface mounting. It operates within a temperature range of -40°C to 85°C (TA). The device offers 1,000,000 program/erase cycles and 100 years of data retention, making it a robust solution for system monitoring and memory storage.

 

Designed for reliability, the N84C161WD42TG provides essential supervisory functions to protect microcontrollers and system controllers during power up/down and brownout conditions. Its integrated features simplify system design and enhance overall stability.

N84C161WD42TG Quick Information

Product Type: Supervisory Circuit
Canonical Name: N84C161WD42TG Supervisory Circuit with EEPROM and Watchdog Timer
Subcategory: Supervisors

N84C161WD42TG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

N84C161WD42TG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

N84C161WD42TG Features

  • Integrated 16Kb EEPROM and watchdog timer.
  • Wide operating voltage from 2.7V to 6V.
  • Supports active high/low reset outputs.
  • 16-byte page write buffer included.
  • Available in an 8-SOIC package.

N84C161WD42TG Applications

  • System power monitoring applications.
  • Microcontroller supervisory functions.
  • Data logging with EEPROM backup.
  • Watchdog timer for system stability.

N84C161WD42TG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the N84C161WD42TG?

The operating voltage range is 2.7 V to 6 V.

What is the reset threshold voltage?

The reset threshold voltage is 4.25 V.

What package does the N84C161WD42TG come in?

It comes in an 8-SOIC surface mount package (0.154", 3.90mm width).

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Does the N84C161WD42TG have a watchdog timer?

Yes, it includes a watchdog timer that monitors the SDA signal.

What is the memory size of the integrated EEPROM?

The integrated EEPROM is 16 Kb.

What is the data retention of the EEPROM?

The EEPROM has 100-year data retention.

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