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23K640-I/SN: Features, Specs & More

2026-05-13 14:02:22Mr.Ming
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23K640-I/SN: Features, Specs & More

The 23K640-I/SN is a 64 Kbit serial SRAM memory chip manufactured by Microchip Technology. In this comprehensive article, we'll delve into the intricacies of the 23K640-I/SN, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.

 

Catalog

23K640-I/SN’s Overview

Key Features

Specifications

Applications

23K640-I/SN’s Manufacturer

Conclusion

 

 

23K640-I/SN’s Overview

The Microchip Technology 23K640-I/SN is a high-performance SPI SRAM memory device designed for embedded systems that require fast, reliable, and low-power volatile storage. It belongs to the SPI serial SRAM family and delivers efficient data handling for real-time applications. Engineers widely use this component in systems where speed and deterministic memory access are critical.

This device provides a balanced combination of small footprint packaging, simple SPI interface, and robust industrial-grade temperature support, making it suitable for a wide range of electronic designs.

 

Key Features

Let's delve into the standout features that make the 23K640-I/SN a standout in the world of electronics:  

The following key features highlight the strengths of the 23K640-I/SN in modern electronic systems:

The device uses a high-speed SPI interface.

The memory operates at a clock frequency up to 20 MHz.

The memory provides 64 Kbit storage capacity.

The device uses a 8K x 8 memory organization.

The operating voltage range supports 2.7V to 3.6V.

The device supports industrial temperature environments from -40°C to 85°C.

The package type is compact 8-SOIC surface mount.

The memory uses SRAM technology for fast read and write performance.

 

Specifications

Now, let's take a closer look at the technical specifications that define the capabilities of the 23K640-I/SN:

Type

Parameter

Memory Type

Volatile

Memory Format

SRAM

Technology

SRAM

Memory Size

64Kbit

Memory Organization

8K x 8

Memory Interface

SPI

Clock Frequency

20 MHz

Voltage - Supply

2.7V ~ 3.6V

Operating Temperature

-40°C ~ 85°C (TA)

Mounting Type

Surface Mount

Package / Case

8-SOIC (0.154", 3.90mm Width)

* 23K640-I/SNs Datasheet

 

Applications

The 23K640-I/SN is widely used in electronic and embedded system designs that require fast external memory expansion. It is commonly applied in:

Industrial control systems

Embedded microcontroller systems

Automotive electronics modules

Data buffering applications

Communication devices

Consumer electronic products

Sensor data logging systems

Real-time processing systems

Its fast SPI communication and low-latency access make it ideal for performance-critical designs.

 

23K640-I/SN’s Manufacturer

Microchip Technology, a global leader in the semiconductor industry, stands at the forefront of innovation, consistently pushing the boundaries of technology to create solutions that power the interconnected world. With a rich history dating back to 1989, Microchip has become synonymous with cutting-edge microcontroller and analog products. Renowned for its commitment to quality, reliability, and customer satisfaction, the company offers a comprehensive portfolio of integrated circuits and embedded solutions. Microchip's diverse range of products caters to a wide array of industries, including automotive, industrial, consumer electronics, and healthcare.

 

Conclusion

The Microchip 23K640-I/SN SPI SRAM is a reliable and efficient memory solution designed for embedded systems requiring fast and temporary data storage. With its 20 MHz SPI interface, wide voltage range, and industrial temperature support, it provides strong performance in demanding environments.

For engineers seeking compact, high-speed external SRAM with simple integration, the 23K640-I/SN remains a practical and proven choice in modern electronic design.


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