The Micron Technology MT4VDDT3264AY-40BF1 is a high-performance DDR SDRAM (Double Data Rate Synchronous Dynamic Random Access Memory) module designed for use in various computing applications, including desktops, workstations, and servers. This memory module is part of Micron%27s extensive portfolio of memory products, known for their reliability, speed, and efficiency.

## Overview

The MT4VDDT3264AY-40BF1 is a 256MB DDR SDRAM module that operates at a clock speed of 400 MHz, which corresponds to a data rate of 3200 MT/s (megatransfers per second). This module is designed to meet the demands of modern computing environments, providing high bandwidth and low latency for improved system performance.

## Key Specifications

1. Memory Type:
- DDR SDRAM: The MT4VDDT3264AY-40BF1 is a DDR SDRAM module, which means it can transfer data on both the rising and falling edges of the clock signal, effectively doubling the data transfer rate compared to traditional SDRAM.

2. Capacity:
- Size: The module has a capacity of 256MB, making it suitable for applications that require moderate memory resources. This capacity is often used in older systems or specific embedded applications.

3. Data Rate:
- Speed: The module operates at a data rate of 3200 MT/s, which is achieved through a clock frequency of 400 MHz. This high data rate allows for faster data access and improved overall system performance.

4. Bus Width:
- Width: The MT4VDDT3264AY-40BF1 has a 64-bit data bus width, which is standard for DDR SDRAM modules. This width allows for efficient data transfer between the memory and the memory controller.

5. Timing Parameters:
- CAS Latency (CL): The module typically has a CAS latency of 3 (CL3), which indicates the number of clock cycles it takes to access a specific column of data in the memory array. Lower CAS latency values generally result in better performance.
- Other Latencies: The module may also have other timing parameters such as tRCD (Row Address to Column Address Delay) and tRP (Row Precharge Time), which are critical for determining the overall performance of the memory.

6. Voltage:
- Operating Voltage: The MT4VDDT3264AY-40BF1 operates at a voltage of 2.5V, which is standard for DDR SDRAM modules. This voltage level helps to balance performance and power consumption.

7. Package Type:
- Form Factor: The module is typically available in a 184-pin DIMM (Dual In-line Memory Module) package, which is compatible with a wide range of motherboards and systems.

8. Temperature Range:
- Operating Temperature: The MT4VDDT3264AY-40BF1 is designed to operate within a temperature range of 0°C to 70°C, making it suitable for standard commercial applications.

## Applications

The Micron MT4VDDT3264AY-40BF1 is suitable for a variety of applications, including:
- Desktop computers
- Workstations
- Servers
- Embedded systems
- Networking equipment

## Conclusion

In summary, the Micron Technology MT4VDDT3264AY-40BF1 is a reliable and efficient DDR SDRAM module that provides a balance of performance and capacity for various computing applications. With its 256MB capacity, 3200 MT/s data rate, and standard 2.5V operating voltage, it is well-suited for systems that require moderate memory resources. Its design and specifications make it a valuable component in both consumer and industrial applications, ensuring that it meets the demands of modern computing environments.