X1288V14-4.5A

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

SKU:1f842e48d06a 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：4.5V ~ 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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X1288V14-4.5A

Overview

The X1288V14Z is a Real-Time Clock (RTC) and calendar integrated circuit manufactured by Renesas Electronics. It features an I²C interface for communication and supports date formats including YY-MM-DD-day of the week. The device includes hardware alarms, leap year compensation, a supervisor function, and a watchdog timer. It operates on a supply voltage range of 4.5V to 5.5V for main power, with battery backup support from 1.8V to 5.5V. Timekeeping current is typically 10µA to 20µA at 2.7V to 5V. The component is housed in a 14-TSSOP package and is currently classified as obsolete.

Feature Summary

I²C and 2-Wire Serial Interface
Hardware Alarm and Leap Year Compensation
Integrated Supervisor and Watchdog Timer
Battery Backup Support (1.8V - 5.5V)

Applications

Systems requiring precise timekeeping and calendar functions
Data logging applications needing timestamping
Industrial equipment with watchdog requirements

Part Context

The X1288V14Z belongs to the X1288 family of real-time clock devices. It provides non-volatile timekeeping capabilities through battery backup, ensuring continuity during main power loss. The device is designed for applications where accurate date and time tracking is critical, offering standard calendar calculations including leap years.

Replacement Considerations

The part status is listed as Obsolete. Designers should consult Renesas for end-of-life notifications or identify alternative RTCs with compatible I²C interfaces and package dimensions.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.