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R2561D Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
R2561DRENESAS200Yes

Part Number:** R2561D **Manufacturer:** Renesas ### **Specifications:** - **Type:** Real-Time Clock (RTC) IC with I²C Interface - **Supply Voltage Range:** 1.

Part Number: R2561D

Manufacturer: Renesas

Specifications:

  • Type: Real-Time Clock (RTC) IC with I²C Interface
  • Supply Voltage Range: 1.6V to 5.5V
  • Low Power Consumption:
  • 0.35µA (Typ.) at 3V (Timekeeping mode)
  • Clock Accuracy: ±3ppm (at 25°C)
  • Operating Temperature Range: -40°C to +85°C
  • Timekeeping Functions: Seconds, minutes, hours, day, date, month, year (with leap year compensation up to 2099)
  • Alarm Function: Single or daily alarm
  • Interface: I²C (400kHz max.)
  • Oscillator: Built-in crystal oscillator (32.768kHz)
  • Package: 8-pin SOP (Small Outline Package)

Descriptions:

The R2561D is a low-power real-time clock IC designed for battery-backed applications. It provides accurate timekeeping with minimal power consumption, making it suitable for portable and embedded systems. The I²C interface allows easy integration with microcontrollers.

Features:

  • Wide Voltage Range: Supports operation from 1.6V to 5.5V.
  • Ultra-Low Power Consumption: Ideal for battery-powered devices.
  • High Accuracy: ±3ppm (at 25°C).
  • Automatic Leap Year Adjustment: Valid up to 2099.
  • Programmable Alarm: Configurable for single or recurring alarms.
  • Built-in Oscillator: No external components required for timekeeping.
  • I²C Bus Interface: Compatible with standard microcontrollers.
  • Tamper Detection: Supports timestamp recording for power-on/off events.

This information is based on Renesas' official datasheet for the R2561D. For detailed specifications, refer to the manufacturer's documentation.

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