23A1024-I/P

Memory IC Overview

The Microchip Technology 23A1024-I/P is a 1 Mbit Serial Static Random Access Memory (SRAM) device. It features an SPI-compatible bus interface supporting SDI and SQI modes with a maximum clock frequency of 20 MHz. The memory organization is 128K x 8 bits. The supply voltage range is 1.7 V to 2.2 V. Operating temperature ranges from -40°C to +85°C. It utilizes low-power CMOS technology, offering unlimited read/write cycles and zero write time.

Memory IC Feature Summary

• Supports SPI, SDI, and SQI bus interfaces for flexible data transfer rates
• Provides unlimited read and write cycles with zero write time
• Operates on low-power CMOS technology with standby current as low as 4 µA at +85°C

Memory IC Applications

• Microcontroller system data storage
• Real-time buffer applications
• Embedded systems requiring fast random access

Memory IC Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm that the voltage supply in your design aligns with the 1.7V to 2.2V specification for the 23A1024 variant. Ensure compatibility with the master device's serial interface capabilities before finalizing procurement.

Memory IC Selection Notes

Select this component when a 1 Mbit non-volatile-free memory solution is not required but high-speed random access is needed. Compare against the 23LC1024 if a wider voltage range (2.5V to 5.5V) is necessary for your power supply architecture. Consider the PDIP-8 package availability for through-hole mounting requirements.

Memory IC Part Context

This part belongs to the 23A1024/23LC1024 family of 1 Mbit Serial SRAMs. It is designed to interface directly with microcontrollers via a simple serial peripheral interface. The device supports byte, page, and sequential read/write operations, making it suitable for various embedded memory tasks.

Memory IC Replacement Considerations

The 23LC1024 is a functional alternative within the same family, differing primarily in its supported voltage range of 2.5V to 5.5V compared to the 23A1024's 1.7V to 2.2V range. Verify voltage compatibility before substitution.