AS4C2M32SA-6TCNTR
| Part Description |
IC DRAM 64MBIT PAR 86TSOP II |
|---|---|
| Quantity | 230 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 20 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 86-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 5.5 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 | 2 ns | Packaging | 86-TFSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 2M x 32 | ||
| 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 AS4C2M32SA-6TCNTR - 64Mbit Synchronous DRAM with 166MHz Operation
The AS4C2M32SA-6TCNTR from Alliance Memory is a 64Mbit synchronous DRAM (SDRAM) organized as 2M x 32, designed for high-performance embedded systems requiring fast, reliable parallel memory access. Built on proven SDRAM technology with a 166MHz clock frequency and 5.5ns access time, this component delivers the throughput needed for data-intensive applications while maintaining stable operation across a 0°C to 70°C temperature range.
Key Features
- 64Mbit Capacity with Wide Data Bus - The 2M x 32 memory organization provides a 32-bit wide data path, enabling efficient data transfer for processors and controllers that benefit from parallel access patterns.
- High-Speed Synchronous Operation - With a 166MHz clock frequency and 5.5ns access time, this SDRAM supports demanding real-time applications where memory bandwidth is critical to system performance.
- Low Write Cycle Time - A 2ns write cycle time ensures rapid data updates, reducing latency in systems with frequent memory write operations.
- Standard Voltage Operation - Operating from 3V to 3.6V, the device integrates easily into standard 3.3V logic systems without requiring additional voltage regulation.
- Commercial Temperature Range - Rated for 0°C to 70°C operation, this SDRAM is suitable for controlled-environment applications including office equipment, consumer electronics, and indoor industrial systems.
- Compact 86-TSOP II Package - The 86-pin TSOP II package with 10.16mm width offers a proven form factor with good density for space-constrained PCB designs.
Typical Applications
- Embedded Computing Systems - This SDRAM serves as main memory in embedded controllers and single-board computers where the 32-bit data path aligns well with 32-bit processor architectures, reducing the number of memory devices required.
- Networking and Telecommunications Equipment - The high-speed synchronous interface and wide data bus support buffering and packet processing in routers, switches, and communication modules operating in temperature-controlled environments.
- Consumer Electronics - Set-top boxes, digital media players, and home automation hubs benefit from the balance of capacity, speed, and cost-effectiveness that this 64Mbit SDRAM provides for firmware execution and data buffering.
- Office and Point-of-Sale Equipment - Printers, copiers, cash registers, and terminal systems use this memory for temporary data storage and display buffer management in commercial temperature environments.
- Test and Measurement Instruments - Benchtop and portable instruments leverage the parallel interface and moderate speed for data acquisition buffering and waveform storage in laboratory settings.
Unique Advantages
- Simplified BOM with Wide Data Path: The 32-bit organization reduces the number of memory ICs needed compared to narrower devices, lowering component count and simplifying PCB routing.
- Proven SDRAM Architecture: Synchronous DRAM technology offers a well-understood design path with extensive software and hardware support, reducing development risk.
- Standard Industry Packaging: The 86-TSOP II package is widely supported by PCB manufacturers and assembly houses, ensuring reliable sourcing and production.
- Active Lifecycle Status: With active production status, designers can rely on continued availability for new designs and production runs.
- Cost-Effective Memory Solution: SDRAM provides a balance between performance and cost for applications that don't require the advanced features of DDR memory but need more speed than asynchronous DRAM.
- Low Integration Complexity: Standard parallel interface and voltage levels simplify integration with common microcontrollers and processors without requiring specialized memory controllers.
Why Choose AS4C2M32SA-6TCNTR?
The AS4C2M32SA-6TCNTR is positioned for embedded system designers who need reliable, cost-effective memory with a wide data path and synchronous operation. Its 166MHz clock support and 32-bit organization make it particularly suitable for systems built around 32-bit processors in commercial temperature applications. Alliance Memory's focus on long-term availability helps ensure that designs using this component can remain in production without facing unexpected obsolescence issues.
For applications in controlled environments where the 0°C to 70°C range is adequate, this SDRAM delivers the throughput and capacity needed for embedded computing, networking equipment, and consumer electronics without the complexity and cost of more advanced memory technologies.
Request a Quote
Contact our sales team to discuss your memory requirements and receive pricing for the AS4C2M32SA-6TCNTR. Our technical support staff can assist with integration questions and help ensure this SDRAM meets your application needs.