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STM817 - 5V supervisor

Download the STM817 datasheet PDF. This datasheet also covers the STM690 variant, as both devices belong to the same 5v supervisor family and are provided as variant models within a single manufacturer datasheet.

General Description

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8 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 1.1.7 1.1.8 1.1.9 1.1.10 MR

Key Features

  • 5 V operating voltage.
  • NVRAM supervisor for external LPSRAM.
  • Chip-enable gating (STM818 only) for external LPSRAM (7 ns max prop delay).
  • RST and RST outputs.
  • 200 ms (typ) trec.
  • Watchdog timer - 1.6 sec (typ).
  • Automatic battery switchover.
  • Low battery supply current - 0.4 µA (typ).
  • Power-fail comparator (PFI/PFO).
  • Low supply current - 40 µA (typ).
  • Guaranteed RST (RST) assertion down to VCC = 1.0 V.
  • Operating temperature:.
  • 40 °C.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (STM690_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by STMicroelectronics

Part Number Description
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STM8AF5178 Automotive 8-bit MCU

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
STM690A, STM692A, STM703 STM704, STM802, STM805, STM817/8/9 5 V supervisor with battery switchover Features ■ 5 V operating voltage ■ NVRAM supervisor for external LPSRAM ■ Chip-enable gating (STM818 only) for external LPSRAM (7 ns max prop delay) ■ RST and RST outputs ■ 200 ms (typ) trec ■ Watchdog timer - 1.6 sec (typ) ■ Automatic battery switchover ■ Low battery supply current - 0.4 µA (typ) ■ Power-fail comparator (PFI/PFO) ■ Low supply current - 40 µA (typ) ■ Guaranteed RST (RST) assertion down to VCC = 1.0 V ■ Operating temperature: –40 °C to +85 °C (industrial grade) ■ RoHS compliance – Lead-free components are compliant with the RoHS directive 8 1 SO8 (M) TSSOP8 3 x 3 (DS)(1) 1. Contact local ST sales office for availability. Table 1.