PT7C4337BZEEX

Real Time Clock Overview

The PT7C4337BZEEX is a Real-Time Clock (RTC) integrated circuit manufactured by Diodes Incorporated. It operates within a supply voltage range of 1.8 V to 5.5 V and supports an external crystal oscillator. The device features programmable clock output and alarm functions, with a maximum timekeeping current of 0.8 µA at 1.2 V to 1.8 V. It is housed in an 8-WFDFN exposed pad package and is designed for surface mount installation. The component supports I²C interface communication and functions across a temperature range of -40°C to +85°C.

Real Time Clock Feature Summary

• Supports real-time clock and calendar functions via I²C bus interface
• Includes programmable clock output and alarm capabilities
• Operates on external crystal oscillator with low power consumption

Real Time Clock Applications

• Consumer electronics requiring precise timekeeping
• Industrial control systems needing reliable clock sources
• Portable devices utilizing battery backup scenarios

Real Time Clock Procurement Notes

Verify the specific suffix 'BZEEX' against official Diodes Incorporated documentation to confirm the exact package type and tape/reel specifications. Ensure compatibility with the required operating temperature range and voltage levels before integration. Confirm end-of-life status if applicable, as some variants in this series may be scheduled for obsolescence. Cross-reference pinouts and electrical characteristics with the latest datasheet to avoid design errors.

Real Time Clock Selection Notes

Select this component when a compact surface-mount RTC with I²C interface is required. Consider the 8-WFDFN package for space-constrained designs. Verify that the 1.8 V to 5.5 V supply range matches the system architecture. Evaluate the low quiescent current requirements for battery-powered applications. Ensure the external crystal oscillator requirement fits the board layout constraints.

Real Time Clock Part Context

This part belongs to the PT7C43xx series of Real-Time Clock ICs from Diodes Incorporated. These components are designed for general-purpose timekeeping applications. The series typically offers various package options and interface configurations. The PT7C4337BZEEX specifically utilizes an 8-pin WDFN package, distinguishing it from other variants in the family that may use SOP or SOIC packages.

Real Time Clock Replacement Considerations

Check Diodes Incorporated's official substitution guide for direct replacements. Variants such as PT7C4337ACSE or PT7C43390WEX may share functional similarities but differ in package and pinout. Verify electrical parameters and interface compatibility before swapping.