1338-18DVGI

Overview

The Renesas 1338-18DVGI is a real-time clock (RTC) integrated circuit belonging to the 1338 series. It provides timekeeping functions with battery-backed non-volatile RAM capabilities, ensuring data retention during power loss. The device is manufactured by Renesas Electronics Corporation and is classified under clock and timer ICs. It supports moisture sensitivity protocols and is available in specific packaging configurations suitable for industrial and commercial applications requiring precise timing synchronization.

Feature Summary

• Integrated real-time clock functionality with calendar counters
• Battery-backed non-volatile RAM for data preservation
• Part of the standardized 1338 series architecture
• Moisture sensitive handling requirements

Applications

• Industrial control systems requiring precise timestamping
• Data logging equipment needing backup memory
• Consumer electronics with time-sensitive operations
• Automotive infotainment and instrument clusters

Procurement Notes

Verify the exact suffix configuration against the official datasheet to ensure compatibility with required package types and temperature ranges. Confirm moisture sensitivity level (MSL) ratings prior to PCB assembly to prevent damage during reflow soldering processes. Check for active status and lead times through authorized distributors.

Selection Notes

Select this component when a dedicated RTC with integrated non-volatile storage is required. Compare pinout and voltage specifications against system constraints. Ensure the operating temperature range meets environmental demands. Verify interface compatibility with the host microcontroller or processor.

Part Context

This part belongs to the Renesas 1338 family of real-time clocks. Similar variants include the 1338D-31DVGI and 1338B-18DVGI8, which share core functionalities but may differ in package style, quantity per reel, or specific feature sets. The 1338 series is designed for reliable timekeeping in embedded systems.

Replacement Considerations

Direct substitutes within the same series include the 1338B-18DVGI8. Verify pin-to-pin compatibility and electrical characteristics before substitution. Cross-reference with the 1338D-31DVGI if different packaging or capacity is acceptable.