23LC1024-I/SNVAO

Memory IC Overview

The Microchip Technology 23LC1024-I/SNVAO is a 1 Mbit Serial SRAM device featuring an SPI-compatible bus interface with support for SDI and SQI modes. It operates at a maximum clock frequency of 20 MHz in industrial temperature ranges (-40°C to +85°C). The memory organization is 128K x 8-bit, utilizing a 32-byte page structure. Supply voltage ranges from 2.5V to 5.5V, with read current at 3 mA (at 5.5V, 20 MHz) and standby current at 4 µA (+85°C). It offers unlimited read/write cycles and zero write time.

Memory IC Feature Summary

• Supports SPI, SDI, and SQI interfaces for flexible data transfer rates
• Provides unlimited read and write cycles with zero write time
• Features low-power CMOS technology with minimal standby current
• Includes byte, page, and sequential operation modes

Memory IC Applications

• Microcontroller system memory expansion
• Data logging applications requiring frequent writes
• Real-time buffering in embedded systems
• Industrial control data storage

Memory IC Procurement Notes

Verify the VCC range matches your system requirements, as this specific part supports 2.5V to 5.5V. Confirm the package type corresponds to the SN suffix. Ensure the temperature grade aligns with your operational environment. Check for RoHS compliance status if required by your manufacturing standards. Validate pin compatibility with your PCB layout design.

Memory IC Selection Notes

Select this component when high-speed random access is needed without the erase cycles associated with Flash memory. It is suitable for applications requiring frequent data updates. Consider the operating voltage range to ensure compatibility with your microcontroller I/O levels. Evaluate the need for dual or quad I/O modes to optimize bandwidth. Verify that the package size fits your board constraints.

Memory IC Part Context

This device belongs to the 23LC1024 series of serial SRAMs manufactured by Microchip Technology. It is designed to interface directly with SPI ports of popular microcontrollers. The series includes variants with different voltage ranges and temperature grades. It serves as a non-volatile-like solution for volatile memory needs where speed and endurance are critical.

Memory IC Replacement Considerations

The 23LC1024-I/SN is a direct functional equivalent within the same series. Other packages like TSSOP or PDIP may be available depending on the suffix. Ensure any replacement maintains the same voltage and temperature specifications.