MT47H64M16HR-3IT HD9LXV

Updated: 2026-09-19

Overview

The MT47H64M16HR-3IT HD9LXV is a DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic Random-Access Memory) module designed for demanding industrial applications. Manufactured by Micron Technology, it provides 1Gb (64Mx16) density with high-speed data transfer capabilities. This component is particularly suited for environments requiring stable performance under extended temperature ranges and challenging operating conditions. As an industrial-grade memory solution, it offers superior reliability compared to commercial-grade counterparts. The device supports a wide voltage range and incorporates advanced power-saving features, making it ideal for energy-conscious applications in telecommunications infrastructure and automotive systems.

Structure and Working Principle

The MT47H64M16HR-3IT HD9LXV utilizes a 16-bit wide data bus and operates on DDR3 technology principles, transferring data on both rising and falling edges of the clock signal. Internally, it organizes memory in banks (typically 8 banks in DDR3 architecture) to enable efficient data access patterns. The module's internal architecture includes sense amplifiers, row/column decoders, and refresh circuitry to maintain data integrity. This memory component communicates with the host system through standard DDR3 interface protocols, supporting burst lengths of 8 for optimal data throughput. The -3IT in the part number indicates its speed grade, corresponding to specific timing parameters that determine maximum operating frequency and latency characteristics.

Key Features

The MT47H64M16HR-3IT HD9LXV offers several distinguishing characteristics that make it suitable for industrial deployment. Its operating temperature range typically spans from -40°C to +95°C, ensuring functionality in extreme environments. The module supports both auto-refresh and self-refresh modes, crucial for power-sensitive applications. Performance-wise, it delivers data rates up to 1866 Mbps (depending on configuration), with CAS latency options that can be programmed to match system requirements. The device incorporates error correction capabilities and includes programmable driver strength to optimize signal integrity across different PCB layouts. These features collectively contribute to its reputation for reliability in mission-critical systems.

Application Areas

This DDR3 SDRAM finds primary use in industrial computing platforms, including factory automation controllers, medical imaging systems, and test/measurement equipment. Its robust design makes it particularly valuable for applications subject to vibration, thermal cycling, or extended operational lifetimes. In telecommunications, the module serves in base station equipment and network switches where consistent performance is essential. Automotive applications include advanced driver assistance systems (ADAS) and infotainment units, where the memory must withstand vehicle temperature extremes while maintaining data integrity. The component's combination of speed, density, and reliability addresses the needs of modern embedded systems across these diverse sectors.

Maintenance and Precautions

Proper handling of the MT47H64M16HR-3IT HD9LXV requires adherence to ESD (electrostatic discharge) protection protocols during installation and maintenance. Technicians should use grounded wrist straps and work on ESD-safe surfaces. The module should only be inserted or removed when power is disconnected from the host system. For long-term reliability, ensure the operating environment stays within specified temperature and humidity ranges. System designers should implement proper power supply filtering to minimize voltage fluctuations that could affect memory performance. Regular firmware updates for the host controller may include memory timing optimizations that can enhance stability and performance over the product lifecycle.

B2B Procurement Guide

When sourcing the MT47H64M16HR-3IT HD9LXV, verify the manufacturer's part number matches exactly, as similar-looking alternatives may have different specifications. Industrial buyers should request documentation of the component's qualification history for their specific application environment. Lead times for industrial-grade memory can vary significantly from commercial equivalents, so plan procurement accordingly. Consider working with authorized distributors who can provide batch traceability and extended warranty options. For high-volume purchases, direct engagement with Micron or their certified partners may yield better pricing and support for qualification testing in your end application.