93LC56A-E/MS

Memory IC Overview

The Microchip Technology 93LC56A-E/MS is a 2Kbit serial Electrically Erasable PROM (EEPROM) housed in an 8-lead MSOP package. It features a fixed 256 x 8-bit organization and operates on a 3-Wire Microwire compatible interface. The device supports a supply voltage range of 2.5V to 5.5V and functions within an extended temperature range of -40°C to +125°C. Key electrical specifications include a maximum clock frequency of 3MHz, a typical access time of 200ns, and high endurance ratings.

Memory IC Feature Summary

• Low-Power CMOS technology designed for nonvolatile memory applications
• Self-timed erase and write cycles with automatic Erase All functionality
• Power-On/Off data protection circuitry prevents accidental data disturbance
• Industry standard 3-Wire Serial I/O with Ready/Busy status signal

Memory IC Applications

• Industrial control systems requiring robust data retention
• Automotive electronics operating under extended temperature conditions
• Embedded devices needing low-power configuration storage
• Microcontroller peripheral memory expansion via serial interface

Memory IC Procurement Notes

Verify the specific suffix 'E' confirms the extended temperature grade (-40°C to +125°C) and 'MS' denotes the 8-lead MSOP surface-mount package. Confirm RoHS compliance and Pb-free Matte Tin finish requirements align with project standards. Ensure the fixed 8-bit word size matches system architecture needs, as this variant lacks the ORG pin found in 'C' versions.

Memory IC Selection Notes

Select this component when a dedicated 8-bit word length is required without external configuration pins. The 'E' suffix provides necessary thermal resilience for harsh environments compared to Industrial grade parts. Verify that the 3-Wire Microwire protocol is supported by the host controller. Consider the MSOP footprint constraints against available PCB real estate for surface-mount assembly.

Memory IC Part Context

This part belongs to the 93XX56A/B/C series of 2Kbit serial EEPROMs from Microchip Technology. The 'A' designation indicates a fixed 8-bit organization, distinguishing it from the 16-bit 'B' version and the configurable 'C' version. The series utilizes advanced CMOS technology to ensure reliability and low power consumption across various industrial and automotive applications.

Memory IC Replacement Considerations

Direct substitutes within the same family include the 93LC56A-I/MS for industrial temperature ranges or the 93LC56A-E/P for PDIP packaging. Cross-family replacements like the 93AA56A-E/MS offer wider voltage support but maintain similar interface characteristics.