34AA04T-I/MUY

Overview

The Microchip Technology 34AA04T-I/MUY is a 4 Kbit (512 x 8) serial EEPROM utilizing an I²C interface. It operates within a voltage range of 1.7V to 3.6V and supports clock frequencies up to 1 MHz. The device features a page write capability of up to 16 bytes with a maximum self-timed write cycle of 5 ms. It includes reversible software write protection for four individual 128-byte blocks and is compliant with JEDEC JC42.4 (EE1004-v) Serial Presence Detect standards.

Feature Summary

• Compliant with JEDEC JC42.4 (EE1004-v) Serial Presence Detect specifications for DRAM modules
• Features reversible software write protection for four independent 128-byte memory blocks
• Supports high-speed I²C communication with industry-standard bus time-out capabilities
• Includes Schmitt trigger inputs on data lines for enhanced noise suppression

Applications

• Serial Presence Detect (SPD) storage for DDR4 memory modules
• Configuration data storage in industrial electronic systems
• Data logging applications requiring non-volatile retention

Procurement Notes

Verify the specific suffix 'MUY' corresponds to the UDFN-8 package when sourcing. Confirm the 'I' designation indicates the Industrial temperature range (-40°C to +85°C). Ensure the component matches the JEDEC SPD compliance requirements if used in memory applications. Cross-reference the datasheet revision DS20005271B for accurate electrical characteristics.

Selection Notes

Select this component for designs requiring strict adherence to JEDEC SPD standards for DDR4 systems. It is suitable for low-power applications due to its microampere standby current. The UDFN-8 package offers a compact footprint for space-constrained PCB layouts. Verify that the system voltage remains within the 1.7V to 3.6V operating range to ensure proper functionality.

Part Context

This part belongs to the 34AA04 family of 4 Kbit serial EEPROMs manufactured by Microchip Technology. The family provides various package options including TSSOP, SOIC, and UDFN. The 34AA04 series is specifically engineered to support backward compatibility with DDR2/3 SPD standards while adding advanced write-protection features for modern memory module implementations.

Replacement Considerations

The 34AA04T-I/ST is a compatible alternative offering identical electrical specifications and functionality in a TSSOP-8 package.