S4242 - SUMMIT

S4242 Dual Voltage Supervisory Circuit

S4242/S42WD42/S4261/S42WD61 Dual Voltage Supervisory Circuit With Watchdog Timer(S42WD61) (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 – Gener.

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 OVERVIEW The S42xxx are a.