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S42WD42

Features: • Precision Dual Voltage Monitor VCC Supply Monitor - Dual reset outputs for complex microcontroller systems - Integrated memory write lockout function - No external components required• Second Voltage Monitor Output Separate VLOW output Generates interrupt to MCU Generat...

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SeekIC No. : 004482369 Detail

S42WD42: Features: • Precision Dual Voltage Monitor VCC Supply Monitor - Dual reset outputs for complex microcontroller systems - Integrated memory write lockout function - No external components requ...

S42WD42 Data Sheet

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Part Number:
S42WD42
Supply Ability:
5000

Price Break

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

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Precision Dual Voltage Monitor
  VCC Supply Monitor
  - Dual reset outputs for complex microcontroller systems
  - Integrated memory write lockout function
  - No external components required
• Second Voltage Monitor Output
  Separate VLOW output
  Generates interrupt to MCU
  Generates RESET for dual supply systems
  - Guaranteed output assertion to VCC - 1V
• Watchdog Timer (S42WD42, S42WD61)
  1.6s
• Memory Internally Organized 2 x8
• Extended Programmable Functions Available on SMS24
• High Reliability
  Endurance: 100,000 erase/write cycles
  Data retention: 100 years


Pinout

Connection Diagram


Specifications

Temperature Under Bias ............................ -40 to +85
Storage Temperature ............................................ +125
Soldering Temperature (less than 10 seconds) ....... 300
Supply Voltage ................................. ................. 0 to 6.5V
Voltage on Any Pin ........................... .. -0.3V to VCC+0.3V
ESD Voltage (JEDEC method) ................................ 2,000V

NOTE: These are STRESS ratings only. Appropriate conditions for operating these devices are given elsewhere in
this specification. Stresses beyond those listed here may permanently damage the part. Prolonged exposure to maximum ratings may affect device reliability.


Description

The S42WD42 are a precision power supervisory circuit. It automatically monitors the device's VCC level and will generate a reset output on two complementary open drain outputs. In addition to the VCC monitoring, the S42WD42 also provides a second voltage comparator input. This input has an independent open drain output that can be wire-OR'ed with the RESET I/O or it can be used as a system interrupt.

The S42WD42 also has an integrated 4k/16k-bit nonvolatile memory. The memory conforms to the industry standard two-wire serial interface. In addition to the reset circuitry, the S42WD42/S42WD61 also has a watchdog timer.




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