23LC1024T-E/SNVAO

Memory IC Overview

The Microchip Technology 23LC1024T-E/SNVAO is a 1 Mbit Serial Static Random Access Memory (SRAM) device. It features an SPI-compatible interface with support for SDI and SQI modes, operating at clock frequencies up to 20 MHz. The component utilizes low-power CMOS technology and offers unlimited read/write cycles. It operates within a supply voltage range of 2.5 V to 5.5 V and supports an extended industrial temperature range from -40°C to +125°C. The memory is organized as 128K x 8 bits and is housed in an 8-lead SOIC package.

Memory IC Feature Summary

• Supports SPI, SDI, and SQI bus interfaces for flexible data transfer rates
• Provides unlimited read and write cycles without write time delays
• Operates across an extended automotive temperature range (-40°C to +125°C)
• Includes byte, page, and sequential operation modes for efficient memory access

Memory IC Applications

• Data logging in automotive electronic control units
• Non-volatile data storage emulation in microcontroller systems
• Industrial sensor data buffering
• Embedded system configuration storage

Memory IC Procurement Notes

Verify the specific suffix 'SNVAO' against official Microchip documentation to confirm package type and environmental compliance details. Ensure the ordering code matches the required 8-lead SOIC format and automotive grade specifications. Cross-reference the datasheet revision to confirm current manufacturing status and any potential assembly site changes.

Memory IC Selection Notes

Select this component when high-speed serial SRAM functionality is required in space-constrained designs. The 8-lead SOIC package suits surface-mount applications. Consider the 2.5V to 5.5V supply range for compatibility with various logic levels. Verify that the master controller supports the desired SPI, SDI, or SQI mode for optimal performance.

Memory IC Part Context

This part belongs to the 23LC1024 series of 1 Mbit Serial SRAM devices from Microchip Technology. The series includes variants with different voltage ranges and temperature grades, such as the 23A1024 for lower voltage applications. The 'E' designation indicates the extended automotive temperature rating, while 'SN' specifies the 8-lead SOIC package.

Memory IC Replacement Considerations

Consult the official Microchip Device Selection Table for direct equivalents. Potential substitutes include other members of the 23LC1024 family with compatible pinouts and electrical characteristics. Verify package dimensions and thermal requirements before substitution.

Memory IC FAQ

What is the maximum clock frequency for the 23LC1024T-E/SNVAO?

The device supports a maximum clock frequency of 20 MHz across all supported interface modes.

Does the 23LC1024T-E/SNVAO retain data when power is removed?

No, it is a volatile SRAM device. Data is lost when power is removed unless backed by a non-volatile solution.

How many bytes are contained in each page for page-mode operations?

The memory array is organized into pages containing 32 bytes each.