Datasheet4U Logo Datasheet4U.com

M41ST87W - 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor

Datasheet Summary

Description

.

.

.

Features

  • 5.0, 3.3, or 3.0 V operation 400 kHz I2C bus NVRAM supervisor to non-volatize external LPSRAM 2.5 to 5.5 V oscillator operating voltage Automatic switchover and deselect circuitry Choice of power-fail deselect voltages.
  • M41ST87Y: THS = 1: VPFD≈ 4.63 V; VCC = 4.75 to 5.5 V THS = 0: VPFD≈ 4.37 V; VCC = 4.5 to 5.5 V.
  • M41ST87W: THS = 1: VPFD ≈ 2.9 V; VCC = 3.0 to 3.6 V THS = 0: VPFD ≈ 2.63 V; VCC = 2.7 to 3.6 V Two independent power-fail compara.

📥 Download Datasheet

Datasheet preview – M41ST87W

Datasheet Details

Part number M41ST87W
Manufacturer STMicroelectronics
File Size 731.18 KB
Description 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor
Datasheet download datasheet M41ST87W Datasheet
Additional preview pages of the M41ST87W datasheet.

📁 Similar Datasheet

  • M41ST84W - 5.0 or 3.0V / 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS (ST Microelectronics)
  • M41ST84Y - 5.0 or 3.0V / 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS (ST Microelectronics)
  • M41ST85W - 5.0 OR 3.0V / 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR (ST Microelectronics)
  • M41ST85Y - 5.0 OR 3.0V / 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR (ST Microelectronics)
  • M4116 - DYNAMIC RANDOM ACCESS MEMORY (SGS)
  • M411AX - Platinum temperature sensor (Heraeus Sensor Technology)
  • M41256xx - DRAM (Agere Systems)
  • M416 - Platinum temperature sensor (Heraeus Sensor Technology)
  • M41T0 - Serial real-time clock (ST Microelectronics)
  • M41T00 - serial real time clock (ST Microelectronics)
Other Datasheets by STMicroelectronics
  • M41ST87Y - 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor
  • M41T00AUD - Serial real-time clock
  • M41T00CAP - Serial access real-time clock
  • M41T00S - Serial real-time clock
  • M41T00SC64 - Real-Time Clock 64-Kbit EEPROM
  • M41T11 - Serial real-time clock
  • M41T315V - Serial access phantom RTC supervisor
  • M41T315W - Serial access phantom RTC supervisor

Full PDF Text Transcription

Click to expand full text
M41ST87Y M41ST87W 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM Features ■ ■ ■ ■ ■ ■ 5.0, 3.3, or 3.0 V operation 400 kHz I2C bus NVRAM supervisor to non-volatize external LPSRAM 2.5 to 5.5 V oscillator operating voltage Automatic switchover and deselect circuitry Choice of power-fail deselect voltages – M41ST87Y: THS = 1: VPFD≈ 4.63 V; VCC = 4.75 to 5.5 V THS = 0: VPFD≈ 4.37 V; VCC = 4.5 to 5.5 V – M41ST87W: THS = 1: VPFD ≈ 2.9 V; VCC = 3.0 to 3.6 V THS = 0: VPFD ≈ 2.63 V; VCC = 2.7 to 3.6 V Two independent power-fail comparators (1.
Published: |