AS4C16M16SA-6TANTR
| Part Description |
IC DRAM 256MBIT PAR 54TSOP II |
|---|---|
| Quantity | 1,323 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 | Automotive | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 105°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 | AEC-Q100 | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of AS4C16M16SA-6TANTR - 256Mbit Automotive SDRAM
The AS4C16M16SA-6TANTR is a 256-megabit synchronous dynamic RAM (SDRAM) designed specifically for automotive applications requiring reliable memory in harsh environments. This parallel interface DRAM is organized as 16M x 16 and operates at clock frequencies up to 166 MHz, providing dependable performance for automotive control systems, infotainment platforms, and industrial equipment.
Built on proven SDRAM technology with AEC-Q100 qualification, this device meets the stringent reliability standards demanded by automotive OEMs and Tier 1 suppliers. The extended temperature range and automotive-grade qualification make it ideal for applications where commercial-grade memory would fail.
Key Features
- Memory Organization: 16M x 16 configuration provides 256 megabits of volatile storage with efficient word-level access for data-intensive automotive applications.
- Performance: 166 MHz clock frequency with 5 nanosecond access time delivers fast read/write operations for real-time control systems and multimedia processing.
- Power Supply: 3V to 3.6V operation aligns with standard automotive electrical systems and reduces power consumption compared to legacy 5V memory designs.
- Temperature Range: -40°C to 105°C (TA) operating range ensures reliable operation across extreme automotive environmental conditions from cold starts to high under-hood temperatures.
- Automotive Qualification: AEC-Q100 qualified with automotive-grade reliability for use in safety-critical and mission-critical vehicle systems.
- Package: 54-TSOP II (10.16mm width) surface-mount package optimizes board space utilization while maintaining robust mechanical integrity for automotive vibration environments.
Typical Applications
- Automotive Infotainment Systems: This SDRAM provides the volatile memory buffer required for navigation systems, multimedia playback, and user interface rendering where fast access times enable smooth graphics and responsive controls.
- Engine Control Units (ECU): The device serves as working memory for automotive engine management systems where the extended temperature range and AEC-Q100 qualification ensure reliable operation in under-hood environments.
- Advanced Driver Assistance Systems (ADAS): This memory supports real-time processing of sensor data from cameras and radar systems where the 166 MHz operation enables rapid image buffering and analysis for safety-critical decision making.
- Body Control Modules: The SDRAM provides temporary storage for vehicle body electronics controlling lighting, climate, and access systems where automotive-grade reliability prevents field failures.
- Industrial Automation Controllers: This device delivers dependable memory for PLCs, HMI systems, and motion controllers operating in factory environments where the extended temperature tolerance and proven SDRAM architecture ensure consistent uptime.
Unique Advantages
- Automotive-Qualified Reliability: AEC-Q100 qualification reduces field failure risk and meets automotive supply chain requirements without additional component validation.
- Extended Temperature Performance: -40°C to 105°C operation eliminates the need for active cooling or temperature derating in harsh automotive and industrial environments.
- Proven SDRAM Architecture: Mature synchronous DRAM technology provides predictable timing characteristics and broad software/hardware ecosystem support, accelerating development cycles.
- Parallel Interface Simplicity: Standard parallel memory interface enables straightforward integration with automotive microcontrollers and processors without protocol overhead.
- Optimized Power Consumption: 3V to 3.6V supply voltage reduces system power requirements and heat generation compared to older 5V memory technologies.
- Space-Efficient Packaging: 54-TSOP II surface-mount package minimizes PCB footprint while maintaining compatibility with standard automotive assembly processes.
Why Choose AS4C16M16SA-6TANTR?
This automotive-grade SDRAM addresses the specific challenges of vehicular and industrial applications where commercial memory components cannot meet reliability and environmental requirements. Engineers designing infotainment systems, ECUs, ADAS platforms, or body control modules benefit from a memory solution that has already passed automotive qualification testing. The device's extended temperature range eliminates costly thermal management solutions while the proven SDRAM architecture reduces integration risk.
For automotive OEMs, Tier 1 suppliers, and industrial equipment manufacturers seeking dependable volatile memory that meets AEC-Q100 standards, the AS4C16M16SA-6TANTR delivers field-proven reliability backed by Alliance Memory's automotive product portfolio and long-term supply commitment.
Get Started
Contact our sales team to request a quote for the AS4C16M16SA-6TANTR or to discuss your automotive memory requirements. Our applications engineers can assist with integration support, timing analysis, and product selection for your next-generation automotive or industrial design.
