OVERVIEW
The S93WD662 and S93WD663 are precision power supervisory circuits providing both active high and active low reset outputs. Both devices incorporate a watchdog timer with a nominal time-out value of 1.6 seconds.

FEATURES
• Precision Monitor & RESET Controller
    — RESET and RESET# Outputs
    — Guaranteed RESET Assertion to VCC = 1V
    — 200ms Reset Pulse Width
    — Internal 1.26V Reference with ±1% Accuracy
    — ZERO External Components Required
• Watchdog Timer
    — Nominal 1.6 Second Time-out Period
    — Reset by Any Transition of CS
• Memory
    — 4K-bit Microwire Memory
— S93WD662
    – Internally Ties ORG Low
    – 100% Compatible With all 8-bit Implementations
    – Sixteen Byte Page Write Capability
— S93WD663
    – Internally Ties ORG High
    – 100% Compatible With all 16-bit Implementations
    – Eight Word Page Write Capability