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MSM6684BJ Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MSM6684BJOKI512Yes

MSM6684BJ is a real-time clock (RTC) IC manufactured by OKI Semiconductor (now part of Lapis Semiconductor).

The MSM6684BJ is a real-time clock (RTC) IC manufactured by OKI Semiconductor (now part of Lapis Semiconductor). Below are the factual specifications, descriptions, and features of the MSM6684BJ:

Specifications:

  • Manufacturer: OKI (Lapis Semiconductor)
  • Type: Real-Time Clock (RTC) IC
  • Supply Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Clock Accuracy: ±2 minutes/month (typical at 25°C)
  • Timekeeping Current: 0.5µA (typical at 3V)
  • Interface: Serial (I²C-compatible)
  • Package: SOP-8 (Small Outline Package)

Descriptions:

  • The MSM6684BJ is a low-power CMOS real-time clock IC designed for timekeeping applications.
  • It includes a built-in 32.768kHz crystal oscillator circuit, eliminating the need for external tuning capacitors.
  • It provides seconds, minutes, hours, day, date, month, and year data with automatic leap-year compensation (up to 2099).
  • The IC operates in both 12-hour and 24-hour formats.

Features:

  • Low Power Consumption: Suitable for battery-backed applications.
  • I²C Interface: Allows easy communication with microcontrollers.
  • Built-in Oscillator: Reduces external component count.
  • Automatic Leap-Year Compensation: Supports dates up to 2099.
  • Alarm Function: Programmable alarm with interrupt output.
  • Power-Fail Detection: Monitors VDD and switches to backup mode if necessary.

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official OKI/Lapis Semiconductor datasheet.

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