AS4C4M32S-6BINTR
| Part Description |
IC DRAM 128MBIT PAR 90TFBGA |
|---|---|
| Quantity | 837 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 | 90-TFBGA (8x13) | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 128 Mbit | Access Time | 5.4 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 | 2 ns | Packaging | 90-TFBGA | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 32 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of AS4C4M32S-6BINTR - 128Mbit Parallel SDRAM
The AS4C4M32S-6BINTR is a 128-megabit synchronous dynamic random-access memory (SDRAM) from Alliance Memory, Inc. This parallel-interface memory device features a 4M x 32 organization, providing flexible data access for embedded systems. With a 166MHz clock frequency and 5.4ns access time, this SDRAM is designed for applications requiring reliable, cost-effective memory solutions with extended temperature operation.
Key Features
- Memory Architecture - 128Mbit capacity organized as 4M x 32, offering versatile memory configuration for 32-bit data bus systems.
- Performance Specifications - 166MHz clock frequency with 5.4ns access time and 2ns write cycle time delivers responsive data throughput for real-time applications.
- Power and Voltage - Operates on standard 3V to 3.6V supply voltage, compatible with common embedded system power rails.
- Extended Temperature Range - Rated for -40°C to 85°C operation, suitable for industrial and automotive environments where temperature extremes are common.
- Compact Package - 90-TFBGA (8x13mm) package provides space-efficient board layout for designs with strict size constraints.
- Parallel Interface - Traditional parallel memory interface simplifies integration with legacy systems and microcontrollers without serial protocol overhead.
Typical Applications
- Industrial Control Systems - This SDRAM serves as working memory for programmable logic controllers (PLCs) and distributed control systems where the extended temperature range ensures reliable operation in harsh factory environments.
- Embedded Computing Platforms - The 32-bit wide data bus and parallel interface make this memory well-suited for ARM, MIPS, and other embedded processors requiring fast local memory for code execution and data buffering.
- Automotive Electronics - The -40°C to 85°C temperature tolerance supports non-AEC applications in automotive infotainment, dashboard displays, and telematics systems where cost-effective memory is needed.
- Networking Equipment - Routers, switches, and communication devices leverage this SDRAM for packet buffering and routing table storage, benefiting from the high clock frequency for wire-speed packet processing.
- Test and Measurement Instruments - The reliable performance across temperature extremes makes this memory suitable for portable and benchtop test equipment that must operate in diverse field conditions.
Unique Advantages
- Cost-Effective Memory Solution: Standard SDRAM technology provides proven reliability at a lower cost point than specialty or high-performance memory alternatives, reducing overall BOM costs.
- Wide Supply Voltage Tolerance: The 3V to 3.6V range accommodates voltage variations in real-world power supplies without requiring precision regulation, simplifying power design.
- Industrial Temperature Rating: Extended -40°C to 85°C operation eliminates the need for active cooling in many industrial applications, reducing system complexity and maintenance requirements.
- Compact Footprint: The 90-TFBGA package delivers high pin density in just 104mm², enabling smaller product designs or freeing up board space for additional functionality.
- Active Lifecycle Status: Current production availability ensures long-term supply continuity for designs with multi-year product lifecycles, reducing obsolescence risk.
- Standard Interface: Parallel SDRAM interface uses well-established timing and control protocols, reducing firmware development time and leveraging existing controller IP.
Why Choose AS4C4M32S-6BINTR?
This Alliance Memory SDRAM offers a balanced combination of capacity, performance, and environmental resilience for embedded systems designers. The 4M x 32 organization aligns well with 32-bit microcontroller and processor architectures, while the 166MHz clock frequency provides sufficient bandwidth for real-time control, communication, and data acquisition tasks. The extended temperature range positions this device for industrial-grade applications without premium pricing.
For engineering teams developing products that require proven memory technology with industrial temperature tolerance, the AS4C4M32S-6BINTR delivers a reliable, cost-conscious solution. Its active lifecycle status and standard SDRAM interface make it a practical choice for designs prioritizing supply chain stability and straightforward integration.
Request a Quote
Contact our sales team to discuss your specific memory requirements, volume pricing, and delivery options for the AS4C4M32S-6BINTR. Our technical specialists can assist with design integration, timing analysis, and product selection to ensure optimal performance in your application.
