AS4C16M16SA-7BCNTR
| Part Description |
IC DRAM 256MBIT PAR 54TFBGA |
|---|---|
| Quantity | 350 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 | 54-TFBGA (8x8) | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 Mbit | Access Time | 5.4 ns | Grade | Commercial | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | 0°C ~ 70°C (TA) | Write Cycle Time Word Page | 14 ns | Packaging | 54-TFBGA | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 16M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of AS4C16M16SA-7BCNTR - 256Mbit SDRAM with 16M x 16 Organization
The AS4C16M16SA-7BCNTR from Alliance Memory is a 256Mbit Synchronous Dynamic RAM (SDRAM) organized as 16M words by 16 bits. This parallel-interface memory device operates at clock frequencies up to 166MHz, delivering fast data access with a 5.4ns access time. Designed for commercial applications requiring high-density, cost-effective memory solutions, this SDRAM is ideal for embedded systems, networking equipment, and industrial controllers operating in standard temperature environments.
Key Features
- High-Density Memory Architecture: 256Mbit capacity organized as 16M x 16 provides flexible memory addressing for data-intensive applications while maintaining a compact footprint.
- Fast Clock Performance: 166MHz clock frequency with 5.4ns access time and 14ns write cycle time enables efficient data throughput for performance-critical systems.
- Standard SDRAM Technology: Volatile synchronous DRAM leverages widely-supported memory controller designs, simplifying integration into existing architectures.
- Compact TFBGA Package: 54-pin Thin Fine-Pitch Ball Grid Array (8x8mm) minimizes PCB real estate while supporting high-density memory configurations.
- Commercial Temperature Range: 0°C to 70°C operating temperature range suits standard indoor applications and controlled-environment deployments.
- Standard Voltage Operation: 3V to 3.6V supply voltage aligns with common embedded system power rails.
Typical Applications
- Embedded Computing Systems: This SDRAM provides working memory for embedded processors and controllers where the parallel interface supports legacy system architectures and the 256Mbit density handles moderate data buffering requirements.
- Network Infrastructure Equipment: Routers, switches, and network appliances utilize this memory for packet buffering and routing table storage, where the 166MHz clock frequency supports data processing throughput in commercial network equipment.
- Industrial Controllers and HMIs: Programmable logic controllers (PLCs) and human-machine interfaces leverage this SDRAM for real-time data processing and display buffering in factory automation environments within the 0°C to 70°C operating range.
- Consumer Electronics: Set-top boxes, digital displays, and multimedia devices use this memory for frame buffering and application processing where cost-effective, standard SDRAM technology meets performance requirements.
- Data Acquisition Systems: Test and measurement equipment employs this SDRAM for high-speed data capture and temporary storage, benefiting from the fast access times and synchronous operation for reliable data logging.
Unique Advantages
- Cost-Effective Memory Solution: Standard SDRAM technology and commercial temperature grading deliver lower component costs compared to specialized or extended-temperature memory alternatives.
- Proven Technology Platform: SDRAM's maturity ensures broad controller support, extensive design resources, and predictable supply availability for long product lifecycles.
- Space-Efficient Design: The compact 8x8mm TFBGA package enables high-density board layouts, reducing PCB area requirements in space-constrained applications.
- Simplified System Integration: Parallel memory interface and standard pinout align with established design practices, reducing development time and validation effort.
- Active Lifecycle Status: Current production availability supports new designs and provides ongoing supply assurance for existing products.
- Flexible Memory Organization: 16M x 16 word organization provides efficient addressing for systems requiring 16-bit data paths without byte-lane management overhead.
Why Choose AS4C16M16SA-7BCNTR?
The AS4C16M16SA-7BCNTR is positioned for engineers developing commercial-grade embedded systems, networking equipment, and industrial controllers where standard SDRAM technology meets performance and cost targets. The 256Mbit density, 166MHz clock operation, and compact TFBGA package make this component well-suited for designs requiring proven memory technology with broad controller compatibility. Alliance Memory's focus on legacy and standard memory products provides supply continuity for long-lifecycle designs.
This SDRAM delivers long-term value through its combination of mature technology, cost-effective pricing, and reliable availability. For system designers working within commercial temperature ranges and seeking straightforward memory integration, the AS4C16M16SA-7BCNTR offers a practical, proven solution.
Get a Quote Today
Contact our sales team to discuss your memory requirements and receive pricing for the AS4C16M16SA-7BCNTR. Our technical specialists can help you evaluate this SDRAM for your specific application and provide support throughout your design cycle.