X1205V8IZ

Overview

The X1205V8IZ is a Real-Time Clock (RTC) integrated circuit manufactured by Renesas Electronics Corporation. It provides clock/calendar functionality with an I2C, 2-wire serial interface. The device operates within a supply voltage range of 2.7V to 5.5V and supports battery backup voltages from 1.8V to 5.5V. It features time formats for HH:MM:SS (12/24 hour) and date formats for YY-MM-DD-dd. Key characteristics include alarm capabilities and leap year compensation. The component is housed in an 8-TSSOP package (0.173", 4.40mm wide) and is designed for surface mount installation. It functions within a temperature range of -40°C to 85°C.

Feature Summary

• I2C, 2-wire serial interface for communication
• Real-time clock/calendar with HH:MM:SS and YY-MM-DD-dd formats
• Alarm and leap year compensation features
• Supply voltage: 2.7V ~ 5.5V; Battery voltage: 1.8V ~ 5.5V

Applications

• Systems requiring precise timekeeping via I2C interface
• Devices needing calendar functions with leap year support
• Applications utilizing alarm features triggered by RTC events

Procurement Notes

Verify the specific suffix 'IZ' against official Renesas documentation to confirm package type and compliance status, as standard listings often reference 'V8I'. Confirm RoHS compliance status, as some variants are marked non-compliant. Check part status, as this series may be discontinued or subject to PCN changes. Ensure the supplier provides valid traceability for the 8-TSSOP package.

Selection Notes

Select the X1205V8IZ when an I2C-connected RTC with calendar and alarm functions is required. Ensure the system power rail accommodates the 2.7V to 5.5V operating range. Verify that the 8-TSSOP footprint matches the PCB design. Consider the -40°C to 85°C operating temperature range for environmental suitability. Compare current consumption specifications if low-power operation is critical.

Part Context

The X1205V8IZ belongs to the X1205 family of real-time clock ICs from Renesas. This family typically offers basic timekeeping and calendar functions accessible via standard I2C protocols. Variants within the family differ primarily by package style (e.g., TSSOP, SOIC) and suffix codes indicating specific manufacturing revisions or compliance attributes.