Summit Microelectronics, Inc. - Power Management for Communications™

Summit Microelectronics, Inc.

S93WD462 Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory
 

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Download the entire S93WD462 data sheet in PDF format.
Download SMX3199 programming module for this device.

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RELATIVE APPLICATIONS NOTES:

Applications Note 10: Using Summit Reset Controllers in Multi-Microcontroller Systems

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Application Aids
Helpful hints and pointers in PDF format.

AA01 Disabling the Watchdog Timer of Summit S93WD devices

FEATURES

  • Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory
    • RESET and RESET BAR Outputs
    • Guaranteed RESET Assertion to VCC = 1V
    • 150ms Reset Pulse Width
    • Internal 1.26V Reference with ±1% Accuracy
    • ZERO External Components Required

Watchdog Timer

  • Nominal 1.6 Second Timeout Period
  • Reset by Any Transition of CS

Memory

  • Internally Ties ORG Low
  • 100% Compatible With all 8-bit Implementations
  • Sixteen Byte Page Write Capability

pinout

OVERVIEW

The S93WD462 is a precision power supervisory circuit providing both active high and active low reset outputs. The S93WD462 incorporates a watchdog timer with a nominal timeout value of 1.6 seconds.

The S93WD462 has 1,024 bits of E2 memory that is accessable via the industry standard microwire bus. The S93WD462 is configured with an internal ORG pin tied low providing a 8-bit byte organization. The S93WD462 has page write capability. The device is designed for a minimum 1,000,000 program/erase cycles and has data retention in excess of 100 years.

FUNCTIONAL DIAGRAM






ORDERING INFORMATION

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