AS4C32M16SC-7TIN
| Part Description |
IC DRAM 512MBIT PAR 54TSOP II |
|---|---|
| Quantity | 510 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 | 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 | 32M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0028 |
Overview of AS4C32M16SC-7TIN - 512Mbit SDRAM with Industrial Temperature Support
The AS4C32M16SC-7TIN is a 512Mbit Synchronous DRAM (SDRAM) from Alliance Memory, organized as 32M x 16 bits with a parallel interface. This high-density volatile memory operates at clock frequencies up to 133MHz and features an extended industrial temperature range of -40°C to 85°C, making it suitable for demanding embedded applications.
Housed in a 54-pin TSOP II package with a 10.16mm width, this SDRAM provides reliable high-speed memory access with 17ns access time and supports a supply voltage range of 3V to 3.6V for flexible system integration.
Key Features
- High-Density Memory Configuration - 512Mbit capacity organized as 32M x 16, providing ample storage for embedded systems, data buffering, and processing applications.
- 133MHz Clock Frequency - Supports synchronous operation at up to 133MHz for high-bandwidth data transfers in performance-critical designs.
- Fast Access Time - 17ns access time (-7 speed grade) enables responsive memory operations and efficient system throughput.
- Industrial Temperature Range - Operates reliably from -40°C to 85°C (TA), ensuring consistent performance in harsh environmental conditions.
- 3.3V Operation - Operates from a 3V to 3.6V supply voltage, compatible with standard 3.3V system power rails.
- Industry-Standard Package - 54-TSOP II (10.16mm width) package provides a proven footprint for straightforward PCB design and second-source compatibility.
Typical Applications
- Industrial Automation Systems - This SDRAM provides reliable memory for PLCs, HMIs, and motion controllers where the extended temperature range ensures consistent operation in factory floor environments with varying thermal conditions.
- Networking Equipment - Serves as packet buffer memory in routers, switches, and gateways where the 133MHz clock frequency supports high-bandwidth data processing requirements.
- Embedded Computing Platforms - Functions as main system memory for single-board computers and embedded processors requiring substantial memory capacity in a compact form factor.
- Point-of-Sale Terminals - Delivers reliable memory performance for retail systems that must operate continuously across commercial temperature ranges with consistent response times.
Unique Advantages
- Extended Product Lifecycle: Alliance Memory specializes in providing long-term availability for memory products, reducing the risk of costly redesigns due to component obsolescence.
- Pin-Compatible Design: Standard TSOP II package and JEDEC-compliant pinout simplifies drop-in replacement and enables multi-sourcing strategies.
- Broad Temperature Support: Industrial temperature rating eliminates the need for additional thermal management in many applications, reducing system cost and complexity.
- Optimized Power Efficiency: 3.3V operation with efficient SDRAM architecture helps minimize power consumption in battery-powered or thermally constrained designs.
- Active Production Status: Currently in active production, ensuring reliable supply for both new designs and ongoing manufacturing requirements.
Why Choose the AS4C32M16SC-7TIN?
The AS4C32M16SC-7TIN is an excellent choice for designers requiring proven 512Mbit SDRAM technology with industrial-grade reliability. Its combination of 133MHz operation, 32M x 16 organization, and -40°C to 85°C temperature range addresses the needs of embedded applications where consistent performance across environmental extremes is essential.
For engineers working on industrial, networking, or embedded computing projects, this SDRAM offers the memory density, speed, and reliability required for demanding applications while maintaining compatibility with established design practices and supply chain requirements.
Get Started
Contact our sales team to discuss your memory requirements and request a quotation for the AS4C32M16SC-7TIN. Our technical support staff can assist with design-in questions and provide samples for evaluation.