X1288V14-2.7

Description：IC RTC CLK/CALENDAR I2C 14TSSOP
Series：-

SKU:6afff34f7180 Category: Real Time Clocks Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC RTC CLK/CALENDAR I2C 14TSSOP
Series：-
Package：Tube
Mfr：Renesas Electronics Corporation
Type：Clock/Calendar
Features：Alarm, Leap Year, Supervisor, Watchdog Timer
Memory Size：-
Time Format：HH:MM:SS:hh (12/24 hr)
Date Format：YY-MM-DD-dd
Interface：I2C, 2-Wire Serial
Voltage - Supply：2.7V ~ 5.5V
Voltage - Supply, Battery：1.8V ~ 5.5V
Current - Timekeeping (Max)：10µA ~ 20µA @ 2.7V ~ 5V
Operating Temperature：0°C ~ 70°C
Mounting Type：Surface Mount
Package / Case：14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package：14-TSSOP

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X1288V14-2.7

Overview

The X1288V14-2.7 is a Real-Time Clock (RTC) integrated circuit manufactured by Renesas Electronics Corporation, belonging to the X1288 base product family. It provides clock and calendar functionality via an I²C, 2-wire serial interface. The device supports time formats of HH:MM:SS in both 12-hour and 24-hour modes, and date formats of YY-MM-DD-dd. It operates within a supply voltage range of 2.7V to 5.5V, with battery backup support from 1.8V to 5.5V. Maximum current consumption during timekeeping is specified as 10µA to 20µA at 2.7V to 5V. The component is housed in a 14-TSSOP package (0.173", 4.40mm width) and is currently classified as obsolete.

Feature Summary

Integrated RTC with alarm, leap year compensation, supervisor, and watchdog timer features
I²C, 2-wire serial interface for communication
Battery backup voltage range of 1.8V ~ 5.5V

Applications

Clock/calendar systems requiring I²C connectivity
Devices utilizing supervisor and watchdog timer functions

Procurement Notes

The X1288V14-2.7 is officially listed as obsolete and no longer manufactured by Renesas Electronics Corporation. Verification of availability should focus on surplus distributors or alternative sources, as standard procurement channels do not stock new units. Cross-referencing with similar active components is recommended for new designs.

Selection Notes

When selecting this component, note that it is part of the X1288 series. Ensure compatibility with the required I²C bus speed and voltage levels (2.7V–5.5V). The 14-TSSOP package requires surface mount assembly capabilities. Verify if the specific operating temperature range meets application requirements, as some variants in the series may differ.

Part Context

This part belongs to the X1288 family of real-time clock ICs from Renesas. It shares functional similarities with other members like the X1228 but may differ in specific feature sets or pinouts. The 'V14' suffix typically denotes the package type and temperature grade, while '-2.7' indicates the minimum supply voltage rating.