MT48LC4M32B2P-6A:L Product Details

Micron MT48LC4M32B2P-6AL 128Mbit SDRAM Product Summary

The MT48LC4M32B2P-6A:L is a dynamic random-access memory IC manufactured by Micron Technology Inc., optimized for high-bandwidth applications that require dependable parallel memory performance. Featuring a 128Mbit (4Mx32) configuration, this device utilizes synchronous dynamic random-access memory (SDRAM) architecture to deliver fast data access. With a maximum clock frequency of 167 MHz and an access time of 5.4 ns, the MT48LC4M32B2P-6A:L achieves an optimal balance of speed and density, making it an ideal selection for design engineers working on embedded systems, communications equipment, and image processing platforms.

Primary Attributes and Technical Specifications

Designed to meet modern performance requirements, the MT48LC4M32B2P-6A:L employs a 4Mx32-bit parallel memory organization that supports high-throughput data transfers in digital systems. Its synchronous interface guarantees deterministic timing behavior, which is essential for systems requiring precise signal sequencing. The device operates over a supply voltage range of 3.0V to 3.6V, offering flexible integration into both legacy and contemporary designs. It also features a commercial operating temperature range of 0°C to 70°C, ensuring stable performance in standard industrial and commercial environments. The parallel bus interface simplifies connectivity with a wide range of microprocessors and controllers, streamlining system design and debug procedures.

Packaging Information and Assembly Recommendations

The MT48LC4M32B2P-6A:L is supplied in an 86-lead TSOP II (Thin Small Outline Package) with a width of 0.400-inch (10.16mm), intended for surface-mount assembly. This package supports efficient automated manufacturing, lowering overall production costs in high-volume applications. It also helps preserve signal integrity and improve thermal management in compact PCB layouts. As a widely adopted industry-standard package, the TSOP II form factor ensures compatibility with standard SDRAM footprints, minimizing PCB redesign efforts during product upgrades and lifecycle maintenance.

Electrical Characteristics and Performance Metrics

Electrical performance is a key consideration for engineering implementation of the MT48LC4M32B2P-6A:L. Its 167 MHz maximum clock frequency enables high-speed bulk data operations suitable for data buffering, caching, and real-time streaming applications. The 5.4 ns access time contributes to low system latency, enhancing responsiveness in interactive and time-critical systems. To ensure data reliability and long-term device durability, strict regulation of the 3.0V–3.6V supply voltage is required. With these electrical characteristics, the device is well-suited for networking equipment, industrial controllers, and other systems demanding consistent access speeds and strong transient response.

Environmental Compliance and Reliability Standards

The MT48LC4M32B2P-6A:L complies with RoHS 3 directives, restricting the use of hazardous substances and supporting global market deployment. It carries a Moisture Sensitivity Level (MSL) rating of 3 (168 hours), providing robust tolerance to ambient exposure during handling and assembly without performance degradation. The component is classified as REACH unaffected, confirming compliance with European chemical regulations and facilitating market access within the EU. Additionally, its export classifications — EAR99 and HTSUS 8542.32.0002 — simplify global logistics and procurement compliance.

Alternative and Replacement Solutions

To mitigate supply chain risks and support legacy design upgrades amid potential obsolescence of the MT48LC4M32B2P-6A:L, engineers are advised to evaluate compatible SDRAM alternatives. Suitable replacements should match the 128Mbit (4Mx32) density, 167 MHz clock speed, TSOP II package, and voltage specifications. Pin-compatible devices from Micron’s MT48LC series or equivalent offerings from other qualified memory vendors can minimize redesign costs and maintain production continuity. Proactive alternative analysis enables engineering and procurement teams to build agile supply chains and extend product lifecycles.

Conclusion

The Micron MT48LC4M32B2P-6A:L SDRAM provides a mature, high-performance memory solution for parallel-architecture digital systems. Combining robust electrical specifications, industry-standard packaging, and strict compliance with environmental and reliability regulations, this device addresses core engineering and procurement requirements. A comprehensive understanding of its features, operational parameters, packaging advantages, and replacement strategies allows design teams to integrate reliable high-speed memory with low integration risk, supporting efficient and future-proof electronic product development.