AS4C32M16SB-7TCN

The AS4C32M16SB-7TCN is a 512Mbit synchronous DRAM (SDRAM) from Alliance Memory, organized as 32M x 16 bits. This parallel-interface memory device delivers 143MHz clock frequency operation with 5.4ns access time, making it suitable for embedded systems and computing applications requiring reliable high-speed memory.

Operating from a 3V to 3.6V supply voltage and housed in a 54-pin TSOP II package, this SDRAM provides a proven memory solution for designs requiring commercial temperature range operation.

Key Features

• High-Density Memory Architecture - 512Mbit capacity organized as 32M x 16 provides substantial memory depth for data buffering, frame storage, and system memory applications.
• Fast Synchronous Operation - 143MHz clock frequency with 5.4ns access time enables efficient data throughput synchronized to system clocks.
• Standard Voltage Operation - 3V to 3.6V supply voltage range ensures compatibility with common embedded power rails while supporting reliable operation across varying supply conditions.
• Industry-Standard Package - 54-TSOP II package (0.400", 10.16mm width) offers a proven footprint for straightforward PCB layout and compatibility with existing designs.
• Commercial Temperature Range - Specified operation from 0°C to 70°C supports typical indoor and controlled-environment applications.
• Parallel Memory Interface - Standard parallel interface provides direct connection to processors and controllers without specialized interface circuitry.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main system memory or data buffer in embedded processors where 512Mbit capacity supports operating systems, application code, and runtime data storage.
• Networking Equipment - Routers, switches, and network appliances utilize this memory for packet buffering and routing table storage where fast access times support throughput requirements.
• Consumer Electronics - Set-top boxes, digital media players, and smart displays benefit from the combination of memory density and standard interface for video buffering and application execution.
• Office Automation Equipment - Printers, copiers, and multifunction devices use this SDRAM for image processing buffers and firmware execution memory.

Unique Advantages

• Drop-in Compatibility: 54-TSOP II package and standard SDRAM interface allow direct replacement in existing designs without PCB modifications.
• Simplified Power Design: Single 3.3V nominal supply reduces power rail complexity compared to multi-voltage memory solutions.
• Proven Technology: SDRAM architecture provides mature, well-characterized performance with extensive software and controller support.
• Active Product Status: Current production status ensures availability for new designs and ongoing manufacturing requirements.
• 14ns Write Cycle Time: Fast write operations support efficient data transfers in write-intensive applications.

Why Choose AS4C32M16SB-7TCN?

The AS4C32M16SB-7TCN offers a reliable 512Mbit SDRAM solution for designers seeking proven memory technology with straightforward integration. Its 143MHz operation and 5.4ns access time deliver the performance needed for embedded computing while the industry-standard TSOP II package simplifies design-in and manufacturing.

This device is well-suited for cost-effective embedded systems, networking equipment, and consumer electronics where commercial temperature range operation meets application requirements. Alliance Memory's active production status provides confidence in long-term supply availability.

Call to Action

Contact our sales team to request a quote for the AS4C32M16SB-7TCN or to discuss your SDRAM memory requirements. Technical documentation and samples are available to support your evaluation process.