AS4C64M8SC-7TINTR
| Part Description |
IC DRAM 512MBIT PAR 54TSOP II |
|---|---|
| Quantity | 881 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 12 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 512 Mbit | Access Time | 17 ns | Grade | Industrial | ||
| Clock Frequency | 133 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | 15 ns | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 64M x 8 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0028 |
Overview of AS4C64M8SC-7TINTR - 512Mbit Parallel SDRAM Memory IC
The AS4C64M8SC-7TINTR is a 512Mbit synchronous dynamic random-access memory (SDRAM) device from Alliance Memory, Inc., featuring a 64M x 8-bit memory organization. Operating at clock frequencies up to 133MHz with an access time of 17ns, this parallel SDRAM is engineered for applications requiring reliable, high-speed volatile memory with extended industrial temperature tolerance.
Key Features
- Memory Architecture: 512Mbit capacity organized as 64M x 8-bit, providing flexible addressing for 8-bit wide data bus systems.
- Performance: 133MHz maximum clock frequency with 17ns access time and 15ns write cycle time, enabling fast read/write operations for data-intensive applications.
- Operating Temperature: Industrial-grade -40°C to 85°C (TA) temperature range ensures stable operation in harsh environments.
- Power Supply: Standard 3V to 3.6V supply voltage simplifies integration with common 3.3V logic families.
- Package: 54-pin TSOP II package (0.400", 10.16mm width) offers space-efficient PCB footprint with proven reliability.
- Interface: Parallel memory interface with SDRAM technology provides straightforward integration with microcontrollers, processors, and FPGAs.
Typical Applications
- Industrial Control Systems: This SDRAM provides reliable working memory for programmable logic controllers (PLCs) and distributed control systems where the extended temperature range ensures consistent operation in factory floor environments subject to temperature fluctuations.
- Embedded Computing: Ideal for embedded systems and single-board computers that require volatile memory for program execution and data buffering, where the parallel interface offers straightforward integration with common microcontrollers and processors.
- Telecommunications Equipment: Supports data buffering and processing in networking equipment and telecom infrastructure where reliable high-speed memory is essential for packet processing and routing functions.
- Test and Measurement Instruments: Provides temporary storage for waveform capture and signal analysis in oscilloscopes and data acquisition systems where fast access times enable real-time data processing.
- Graphics and Display Systems: Serves as frame buffer memory in display controllers and graphics systems where the 64M x 8 organization and parallel interface facilitate efficient pixel data management.
Unique Advantages
- Industrial Temperature Range: The -40°C to 85°C operating range eliminates the need for additional thermal management in applications exposed to harsh environmental conditions, reducing system complexity.
- Proven SDRAM Technology: SDRAM architecture offers predictable timing characteristics and broad ecosystem support, simplifying firmware development and reducing integration risks.
- Standard Parallel Interface: Direct compatibility with legacy and contemporary parallel bus architectures minimizes redesign effort when upgrading or maintaining existing systems.
- Space-Efficient Packaging: The compact 54-TSOP II package balances pin count with PCB area utilization, supporting dense board layouts without requiring advanced assembly techniques.
- Active Lifecycle Status: Current production availability provides confidence for new designs and long-term product support, reducing obsolescence risks.
- Alliance Memory Reliability: Manufactured by Alliance Memory, a supplier focused on memory solutions for industrial and commercial applications where stable supply chains matter.
Why Choose AS4C64M8SC-7TINTR?
The AS4C64M8SC-7TINTR is positioned for embedded and industrial applications where designers need proven SDRAM technology with extended temperature capabilities. Its 133MHz operation and 17ns access time deliver sufficient performance for real-time control, data acquisition, and embedded computing tasks without the complexity or cost of higher-end memory technologies. The industrial temperature rating and active lifecycle status make it particularly suitable for long-life designs in automation, telecommunications, and instrumentation.
For engineering teams maintaining legacy systems or developing new industrial-grade products, this SDRAM offers a balance of performance, environmental tolerance, and supply reliability. The standard parallel interface and TSOP II package ensure compatibility with established design practices and assembly processes.
Get a Quote
Ready to integrate the AS4C64M8SC-7TINTR into your design? Contact our sales team for pricing, availability, and technical support. We can help you evaluate whether this SDRAM meets your performance and environmental requirements.
