MT46V32M16TG-5B IT:J
| Part Description |
IC DRAM 512MBIT PAR 66TSOP II |
|---|---|
| Quantity | 1,530 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 4 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 66-TSOP II | Memory Format | DRAM | Technology | SDRAM - DDR | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 512 Mbit | Access Time | 700 ps | Grade | Industrial | ||
| Clock Frequency | 200 MHz | Voltage | 2.5V ~ 2.7V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | 15 ns | Packaging | 66-TSSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 32M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | RoHS non-compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0028 |
Overview of MT46V32M16TG-5B IT:J - 512Mbit DDR SDRAM in 66-TSOP II Package
The MT46V32M16TG-5B IT:J from Alliance Memory is a 512Mbit DDR SDRAM device organized as 32M x 16, delivering high-speed memory solutions for embedded systems and industrial applications. Operating at 200MHz with 0.7ns access time, this parallel interface DRAM provides reliable performance across extended temperature ranges from -40°C to 85°C, making it suitable for demanding environments where standard consumer-grade memory may not suffice.
Key Features
- Memory Configuration - 512Mbit total capacity organized as 32M x 16-bit words, optimized for applications requiring moderate memory density with a 16-bit data path.
- DDR SDRAM Technology - Double Data Rate architecture transfers data on both rising and falling clock edges at 200MHz, providing enhanced bandwidth compared to single data rate memories.
- Power Supply - Operates on 2.5V to 2.7V supply voltage, offering lower power consumption suitable for battery-operated and power-sensitive designs.
- Extended Temperature Range - Rated for -40°C to 85°C ambient operation, ensuring reliable performance in industrial control systems, automotive infotainment, and outdoor equipment.
- Parallel Interface - Direct memory access through parallel bus architecture provides deterministic latency and straightforward integration with microcontrollers and processors supporting standard DDR protocols.
- Package Format - Available in 66-pin TSOP II package with 10.16mm width, offering a compact footprint with established manufacturing compatibility.
Typical Applications
- Industrial Control Systems - This SDRAM provides working memory for PLCs, motion controllers, and HMI panels where the extended temperature rating ensures consistent operation in factory floor environments subject to temperature variation.
- Networking Equipment - Serves as buffer memory in routers, switches, and access points where the 200MHz DDR interface supports packet processing and routing table storage with predictable latency characteristics.
- Automotive Infotainment - Functions as display buffer and application memory in dashboard systems and rear-seat entertainment where the industrial temperature range accommodates in-cabin thermal conditions.
- Medical Instrumentation - Acts as data acquisition buffer and image storage in diagnostic equipment where reliable operation across temperature ranges supports varied clinical and laboratory settings.
- Test and Measurement - Provides capture memory for oscilloscopes, logic analyzers, and data loggers where parallel access patterns align with high-speed data acquisition requirements.
Unique Advantages
- Extended Temperature Qualification: The -40°C to 85°C operating range eliminates the need for thermal management solutions in many industrial applications, reducing overall BOM cost and design complexity.
- Established DDR Architecture: Standards-based DDR SDRAM interface ensures broad controller support and reduces firmware development effort compared to proprietary memory architectures.
- Active Lifecycle Status: Long-term availability supports designs with extended product lifecycles common in industrial and infrastructure equipment where component obsolescence poses significant risk.
- Compact Package Footprint: The 66-TSOP II form factor provides space-efficient PCB layout while maintaining compatibility with standard assembly processes and inspection methods.
- Moderate Density Point: The 512Mbit capacity serves applications requiring more memory than lower-density devices while avoiding the cost premium of multi-gigabit components.
- Low Voltage Operation: 2.5V supply voltage reduces power dissipation and thermal load compared to legacy 3.3V memories, supporting fanless and sealed enclosure designs.
Why Choose MT46V32M16TG-5B IT:J?
This DDR SDRAM is positioned for industrial and embedded applications where extended temperature capability, moderate memory density, and long-term component availability align with system requirements. The 32M x 16 organization suits processors and controllers with 16-bit data buses, while the 200MHz DDR interface provides sufficient bandwidth for control systems, data acquisition, and communication applications without the complexity of higher-speed memory technologies.
Engineers selecting this component benefit from Alliance Memory's focus on legacy and industrial memory solutions, which supports designs requiring predictable long-term sourcing. The combination of industrial temperature rating, established DDR protocol support, and compact packaging addresses requirements common in equipment with 10+ year operational lifetimes.
Get a Quote
Contact our sales team to discuss your memory requirements and receive detailed pricing for the MT46V32M16TG-5B IT:J. Our technical support staff can assist with integration guidance, reference designs, and volume availability to support your development schedule.