AS4C8M16S-6TANTR
| Part Description |
IC DRAM 128MBIT PAR 54TSOP II |
|---|---|
| Quantity | 657 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 128 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 | 2 ns | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 8M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of AS4C8M16S-6TANTR - 128Mbit Parallel SDRAM
The AS4C8M16S-6TANTR is a 128-megabit synchronous dynamic random access memory (SDRAM) organized as 8M x 16-bit. This parallel SDRAM operates at clock frequencies up to 166MHz with a fast 5ns access time, making it suitable for embedded systems requiring cost-effective, high-speed volatile memory. Housed in a compact 54-TSOP II package, this memory IC supports industrial temperature ranges from -40°C to 105°C.
Key Features
- 128Mbit Capacity - Organized as 8 million words by 16 bits, providing flexible memory depth and width for various system architectures.
- High-Speed Operation - 166MHz clock frequency with 5ns access time and 2ns write cycle time enables responsive system performance.
- Parallel Interface - Standard SDRAM parallel interface simplifies integration with legacy processors and microcontrollers.
- Extended Temperature Range - Operating range of -40°C to 105°C (TA) ensures reliability in industrial and harsh environments.
- Low-Voltage Operation - 3V to 3.6V supply voltage reduces power consumption while maintaining compatibility with common system voltage rails.
- Compact Footprint - 54-TSOP II package (10.16mm width) optimizes PCB space utilization in size-constrained designs.
Typical Applications
- Industrial Automation - This SDRAM provides reliable working memory for programmable logic controllers (PLCs) and human-machine interfaces (HMIs) where the extended temperature tolerance ensures consistent operation across factory floor conditions.
- Embedded Computing - Serves as main system memory in embedded processors and single-board computers requiring parallel memory interfaces, offering a balance of capacity and speed for real-time applications.
- Legacy System Upgrades - Enables memory expansion or replacement in existing designs built around parallel SDRAM architectures, maintaining compatibility without requiring system redesign.
- Data Buffering - Functions as high-speed temporary storage in data acquisition systems and communication equipment where rapid read/write cycles are essential for maintaining data throughput.
Unique Advantages
- Proven SDRAM Technology: Leverages mature synchronous DRAM architecture for predictable timing characteristics and simplified controller design.
- Industrial Temperature Support: Extended operating range reduces the need for additional thermal management components in harsh environments.
- Voltage Flexibility: 3V to 3.6V supply range accommodates various system power architectures and voltage regulator configurations.
- Space-Efficient Packaging: Standard TSOP II footprint enables straightforward PCB layout and supports automated assembly processes.
- Fast Access Performance: 5ns access time minimizes wait states and optimizes system responsiveness for time-critical operations.
Why Choose AS4C8M16S-6TANTR?
The AS4C8M16S-6TANTR offers a reliable memory solution for designs requiring parallel SDRAM with industrial temperature capability. Its combination of 128Mbit capacity, 166MHz operation, and extended temperature range makes it well-suited for industrial control systems, embedded platforms, and applications where proven SDRAM technology is preferred over newer memory architectures.
For legacy system maintenance, memory upgrades in existing parallel-interface designs, or new industrial applications requiring temperature-resilient volatile memory, this SDRAM provides a practical balance of performance, compatibility, and environmental robustness.
Get a Quote Today
Contact our sales team to discuss your memory requirements and receive pricing for the AS4C8M16S-6TANTR. We offer technical support to help you integrate this SDRAM into your design and can provide volume pricing for production quantities.
