AS4C16M16SA-6TINTR
| Part Description |
IC DRAM 256MBIT PAR 54TSOP II |
|---|---|
| Quantity | 604 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 8 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 Mbit | Access Time | 5 ns | Grade | Industrial | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | 12 ns | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| 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-6TINTR - 256Mbit Synchronous DRAM
The AS4C16M16SA-6TINTR is a 256Mbit (16M x 16) synchronous dynamic random access memory (SDRAM) from Alliance Memory, Inc. Built on proven SDRAM architecture, this volatile memory component delivers reliable parallel data storage for embedded systems and industrial applications. Operating at up to 166MHz clock frequency with 5ns access time, it provides fast, efficient memory expansion in a compact 54-TSOP II package.
Key Features
- Memory Architecture - 256Mbit capacity organized as 16M x 16, providing flexible word-wide data access for efficient 16-bit system integration.
- High-Speed Performance - 166MHz clock frequency with 5ns access time and 12ns write cycle time ensures responsive data throughput for time-sensitive applications.
- Standard Voltage Operation - 3V to 3.6V supply voltage range aligns with common embedded system power rails, simplifying power management and board design.
- Industrial Temperature Range - Rated for -40°C to 85°C (TA) operation, supporting deployment in harsh industrial and automotive environments where extended temperature tolerance is essential.
- Compact Package - 54-pin TSOP II (10.16mm width) footprint offers high density mounting for space-constrained PCB layouts.
Typical Applications
- Industrial Automation - This SDRAM provides reliable memory for PLCs, motion controllers, and HMI systems where extended temperature tolerance ensures consistent operation in factory floor environments.
- Embedded Computing - Serves as main or cache memory in single-board computers, industrial PCs, and embedded controllers requiring fast parallel memory access and proven SDRAM technology.
- Telecommunications Equipment - Supports data buffering and processing in routers, switches, and network infrastructure where synchronous operation aligns with system clocking requirements.
- Test and Measurement Instruments - Enables high-speed data acquisition and signal processing in oscilloscopes, logic analyzers, and automated test equipment where access time directly impacts measurement throughput.
- Medical Devices - Provides memory for diagnostic equipment and patient monitoring systems where industrial temperature range and reliable operation support critical healthcare applications.
Unique Advantages
- Proven SDRAM Technology: Leverages mature, well-characterized synchronous DRAM architecture that simplifies design integration and reduces validation time compared to newer memory technologies.
- Single-Supply Simplicity: Operates from standard 3.3V rail, eliminating the need for multiple voltage regulators and reducing overall BOM cost and board complexity.
- Industrial-Grade Reliability: Extended -40°C to 85°C temperature rating ensures operation across demanding environmental conditions without requiring additional thermal management.
- Parallel Interface Compatibility: Direct memory interface eliminates protocol overhead and latency associated with serial memory, maximizing effective bandwidth for legacy and real-time systems.
- Active Lifecycle Status: Current production availability provides confidence for new designs and long-term product support, reducing supply chain risk.
- Space-Efficient Footprint: TSOP II package delivers high pin count in minimal board area, enabling compact product designs without sacrificing memory capacity.
Why Choose AS4C16M16SA-6TINTR?
The AS4C16M16SA-6TINTR offers an ideal balance of capacity, speed, and reliability for industrial and embedded applications that require proven synchronous DRAM technology. With its 166MHz operation, 16-bit word organization, and industrial temperature range, this component addresses the needs of designers seeking dependable parallel memory without the complexity of newer memory architectures. The active lifecycle status and standard voltage operation make it particularly well-suited for designs prioritizing long-term availability and simplified power management.
For applications in automation, telecommunications, test equipment, and embedded computing where SDRAM's synchronous operation, mature ecosystem, and straightforward integration provide clear advantages, the AS4C16M16SA-6TINTR delivers the memory performance and environmental tolerance your design demands.
Request a Quote
Contact our sales team to discuss your memory requirements and receive pricing for the AS4C16M16SA-6TINTR. Our technical support staff can assist with integration questions, application guidance, and volume availability to ensure this SDRAM meets your project specifications.
