MAX6917EO33+T

Real Time Clock Overview

The MAX6917EO33+T is a Real-Time Clock (RTC) integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 3V to 3.6V and supports an I2C, 2-wire serial interface for data communication. The device features a storage capacity of 96 bytes and provides clock/calendar functionality with HH:MM:SS time format support in both 12-hour and 24-hour modes. It is housed in a 20-QSOP package and is designed for surface-mount installation. The component functions as a clock, calendar, and supervisor, operating reliably across a temperature range of -40°C to +85°C.

Real Time Clock Feature Summary

• Integrated RTC with 96-byte NV SRAM control capability
• I2C compatible 2-wire serial bus interface
• Supports 12/24 hour time formats and calendar functions
• Operates on 3V to 3.6V power supply

Real Time Clock Applications

• Data logging systems requiring precise timestamping
• Portable electronic devices with battery backup needs
• Industrial equipment monitoring and control

Real Time Clock Procurement Notes

This component is listed as obsolete or end-of-life. Verification of current availability through authorized distributors is required, as standard stock may be limited. Buyers should confirm the specific suffix '+T' indicates tape-and-reel packaging if that form factor is necessary for assembly processes.

Real Time Clock Selection Notes

Select this part when a low-voltage (3V-3.6V) RTC with significant onboard memory (96B) is needed. Ensure the system design accommodates the QSOP-20 package dimensions. Verify that the host microcontroller supports the I2C protocol required for communication with the device registers.

Real Time Clock Part Context

The MAX6917 belongs to the Maxim Integrated MAX69xx series of real-time clocks. The 'EO33' designation typically refers to the industrial temperature grade and the 3.3V nominal operating voltage range. The '+T' suffix denotes the RoHS-compliant version supplied in a tape-and-reel configuration for automated placement.

Real Time Clock Replacement Considerations

As the part is obsolete, direct replacements must be sourced from secondary markets or equivalent newer generations from Analog Devices. Verify pin compatibility and register map differences before substituting with other RTC ICs in the same package.