MT48LC4M32B2TG-6A:L
| Part Description |
IC DRAM 128MBIT PAR 86TSOP II |
|---|---|
| Quantity | 590 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 86-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 128 Mbit | Access Time | 5.4 ns | Grade | Commercial | ||
| Clock Frequency | 167 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | 0°C ~ 70°C (TA) | Write Cycle Time Word Page | 12 ns | Packaging | 86-TFSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 32 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | N/A | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of MT48LC4M32B2TG-6A:L - 128Mbit Parallel SDRAM
The MT48LC4M32B2TG-6A:L is a 128-megabit synchronous dynamic random access memory (SDRAM) device organized as 4M x 32 bits. This parallel interface DRAM operates at clock frequencies up to 167MHz, delivering reliable memory performance for commercial-grade systems. Designed for standard 0°C to 70°C operating environments, this SDRAM provides cost-effective volatile memory storage in an 86-pin TSOP II package.
With an access time of 5.4ns and a write cycle time of 12ns, this memory device supports synchronous burst operations for efficient data throughput in embedded systems, computing platforms, and communication equipment requiring moderate-density volatile memory.
Key Features
- Memory Architecture - 128Mbit capacity configured as 4M x 32-bit organization enables 32-bit wide data bus applications with straightforward address mapping.
- Synchronous Operation - SDRAM technology with 167MHz maximum clock frequency provides predictable timing and simplified controller design compared to asynchronous DRAM.
- Access Performance - 5.4ns access time and 12ns write cycle time deliver adequate bandwidth for mainstream embedded applications and legacy system designs.
- Power Supply - 3V to 3.6V supply voltage range ensures compatibility with 3.3V logic systems commonly used in industrial and commercial equipment.
- Package Format - 86-pin TSOP II (10.16mm width) footprint provides industry-standard surface mount packaging for automated assembly.
- Temperature Range - Commercial temperature grade (0°C to 70°C) suits controlled environment applications including indoor equipment and climate-controlled installations.
Typical Applications
- Legacy System Maintenance - This SDRAM serves as a replacement component for aging computing systems and industrial controllers where original parts are no longer readily available, enabling continued operation of critical infrastructure.
- Embedded Computing Platforms - The 32-bit parallel interface and 128Mbit density support embedded processors and controllers in applications such as point-of-sale terminals, test equipment, and automated machinery where moderate memory requirements exist.
- Communication Equipment - Network switches, routers, and telecommunications devices utilize this SDRAM for packet buffering and protocol processing tasks in commercial-grade installations.
- Commercial Electronics - Office automation equipment, printers, copiers, and similar devices incorporate this memory for firmware execution and temporary data storage in standard operating environments.
Unique Advantages
- Proven SDRAM Technology: Mature synchronous DRAM architecture offers well-understood behavior and broad compatibility with existing controller designs, reducing development risk.
- Cost-Effective Memory Solution: Commercial-grade specifications and standard package format provide economical memory expansion for price-sensitive applications without unnecessary over-specification.
- Simplified Board Layout: Parallel interface with standard TSOP II footprint enables straightforward PCB routing and allows use of established design patterns from previous generations.
- Supply Chain Continuity: Alliance Memory support for this device extends product availability for maintenance and repair operations where original components face obsolescence challenges.
- 3.3V Logic Compatibility: Single supply voltage operation from 3V to 3.6V eliminates need for multiple power rails and simplifies power distribution in mixed-signal designs.
Why Choose MT48LC4M32B2TG-6A:L?
This synchronous DRAM addresses the needs of designs requiring 32-bit parallel memory with 128Mbit density in commercial temperature environments. The device is particularly suited for legacy system support, repair operations, and cost-conscious embedded applications where proven SDRAM technology meets functional requirements without demanding extended temperature grades or advanced performance features.
Note that this product carries an obsolete lifecycle status. Design engineers planning new projects should evaluate current-generation memory technologies, while maintenance teams will value this component's availability for sustaining existing equipment installations.
Get a Quote
Contact our sales team to discuss availability, pricing, and volume requirements for MT48LC4M32B2TG-6A:L. Our technical support staff can assist with datasheet review, compatibility verification, and integration guidance for your specific application.
