AS4C32M16D2C-25BCNTR
| Part Description |
IC DRAM 512MBIT SSTL 18 84FBGA |
|---|---|
| Quantity | 1,779 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 6 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 84-FBGA (8x12.5) | Memory Format | DRAM | Technology | SDRAM - DDR2 | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 512 Mbit | Access Time | 400 ps | Grade | Commercial (Extended) | ||
| Clock Frequency | 400 MHz | Voltage | 1.7V ~ 1.9V | Memory Type | Volatile | ||
| Operating Temperature | 0°C ~ 85°C (TC) | Write Cycle Time Word Page | 15 ns | Packaging | 84-TFBGA | ||
| Mounting Method | Volatile | Memory Interface | SSTL_18 | Memory Organization | 32M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | N/A | HTS Code | N/A |
Overview of AS4C32M16D2C-25BCNTR - 512Mbit DDR2 SDRAM
The AS4C32M16D2C-25BCNTR from Alliance Memory is a 512Mbit DDR2 SDRAM organized as 32M x 16 bits. This double data rate synchronous DRAM delivers reliable, high-speed memory performance with a 400MHz clock frequency and 4ns access time. Built on proven DDR2 technology with an SSTL_18 interface, it serves applications requiring cost-effective volatile memory with moderate density and commercial temperature tolerance.
Key Features
- Memory Architecture: 512Mbit total capacity organized as 32M x 16 configuration, providing balanced word width for 16-bit data bus applications.
- DDR2 Performance: 400MHz clock frequency with 4ns access time and 15ns write cycle time, delivering double data rate operation for improved throughput over conventional SDRAM.
- Power Supply: 1.7V to 1.9V operating voltage typical of DDR2 technology, reducing power consumption compared to earlier memory generations.
- SSTL_18 Interface: Stub Series Terminated Logic signaling at 1.8V class provides industry-standard electrical compatibility with DDR2 controllers.
- Package: 84-pin TFBGA (8mm x 12.5mm) footprint offers compact board space utilization for embedded designs.
- Operating Range: 0°C to 85°C (TC) commercial temperature range suits standard operating environments.
Typical Applications
- Embedded Computing: This DDR2 SDRAM provides working memory for embedded processors in industrial controllers, point-of-sale terminals, and networked appliances where moderate density and proven technology reduce design risk.
- Communication Equipment: The 32M x 16 organization supports buffering and data handling in routers, switches, and telecom infrastructure operating in controlled environments within the commercial temperature range.
- Consumer Electronics: This memory component serves set-top boxes, digital displays, and multimedia devices where DDR2 technology provides adequate performance at economical pricing.
- Legacy System Upgrades: The AS4C32M16D2C-25BCNTR enables memory upgrades and replacements for existing DDR2-based designs, extending product lifecycles without architecture changes.
Unique Advantages
- Proven DDR2 Technology: Mature and widely-supported standard reduces integration complexity and leverages existing controller IP and design resources.
- Commercial Temperature Rating: 0°C to 85°C operating range matches typical embedded and consumer electronics environments without premium industrial-grade cost.
- Compact FBGA Package: 84-pin fine-pitch ball grid array minimizes PCB footprint while maintaining industry-standard pad layouts for straightforward board design.
- Active Lifecycle Status: Current production availability supports new designs and provides long-term supply confidence for embedded applications with extended product cycles.
- Standard SSTL_18 Interface: Industry-standard signaling ensures broad compatibility with DDR2 memory controllers from major processor and FPGA vendors.
- Balanced Organization: 32M x 16 word structure efficiently supports 16-bit data paths common in mid-range embedded processors and controllers.
Why Choose AS4C32M16D2C-25BCNTR?
This DDR2 SDRAM is positioned for embedded and commercial applications where proven technology, moderate density, and cost-effectiveness are priorities. The 512Mbit capacity and 16-bit organization suit designs requiring straightforward memory expansion without overprovisioning, while the commercial temperature range aligns with standard operating environments. The mature DDR2 standard simplifies procurement, reduces design risk, and leverages widespread controller support across processor architectures.
For engineers designing systems with established DDR2 infrastructures or seeking reliable, cost-optimized memory for commercial applications, the AS4C32M16D2C-25BCNTR delivers field-proven performance with long-term availability from Alliance Memory.
Get a Quote
Contact our sales team to request pricing, availability, and technical support for the AS4C32M16D2C-25BCNTR. We provide responsive service to help you evaluate this memory solution for your specific application requirements.
