34LC02-E/P

Overview

The Microchip Technology 34LC02-E/P is a 2 Kbit (256 x 8) Electrically Erasable PROM featuring a 2-wire serial I²C interface. It operates on a single supply voltage ranging from 2.2V to 5.5V with a maximum clock frequency of 1 MHz. The device supports page writes up to 16 bytes and includes software write-protect for the lower half of the array, alongside hardware protection via the WP pin. It offers over 1 million erase/write cycles and data retention exceeding 200 years. The component is housed in an 8-lead PDIP package and is rated for extended temperature ranges.

Feature Summary

• Features permanent and resettable software write-protect capabilities for the lower half of the memory array.
• Supports bidirectional 2-wire serial communication compatible with standard I²C protocols.
• Includes hardware write-protection functionality accessible through the dedicated WP pin.

Applications

• Data storage in industrial control systems requiring non-volatile memory
• Configuration parameter storage in automotive electronic modules
• Device identification and calibration data logging

Procurement Notes

Verify that the ordering suffix 'P' corresponds specifically to the 8-lead PDIP package type as defined in the official datasheet. Confirm the 'E' suffix indicates the Automotive temperature range (-40°C to +125°C). Ensure compatibility with the required voltage levels and bus speeds before procurement.

Selection Notes

Select this component when a 2 Kbit EEPROM with high-speed 1 MHz I²C operation is required. The Automotive grade variant provides extended thermal stability compared to Industrial versions. Consider the specific package constraints of the 8-lead PDIP form factor during PCB layout planning.

Part Context

This part belongs to the 34XX02 family of serial EEPROMs manufactured by Microchip Technology. It shares functional similarities with the 34AA02 but differs in maximum operating speed and voltage thresholds. The family utilizes a standardized I²C interface for efficient system integration.

Replacement Considerations

Public confirmed substitute part numbers: 34LC02-I/SN, 34LC02-E/SO, 34LC02-E/TSSOP, 34LC02-E/MSOP, 34LC02-E/TDFN, 34LC02-I/P.