AS4C8M16SA-7TCNTR

The AS4C8M16SA-7TCNTR is a 128Mbit (8M x 16) synchronous DRAM from Alliance Memory, Inc. This parallel interface SDRAM operates at a 143MHz clock frequency with a 5.4ns access time, providing reliable high-speed memory for embedded systems, industrial equipment, and computing applications requiring cost-effective volatile memory solutions.

Key Features

• Memory Architecture - 128Mbit capacity organized as 8M x 16, offering flexible data width for efficient system integration. SDRAM technology provides synchronous operation for predictable timing and simplified controller design.
• Performance Specifications - 143MHz maximum clock frequency with 5.4ns access time and 14ns write cycle time ensures responsive operation for applications requiring moderate to high-speed memory access.
• Power Supply - Operates on standard 3V to 3.6V supply voltage, compatible with common embedded system power rails and reducing the need for additional voltage regulation.
• Operating Temperature Range - Commercial temperature range of 0°C to 70°C (TA) suits standard indoor applications and commercial equipment installations.
• Package Format - 54-pin TSOP II package with 10.16mm width provides a compact footprint for space-constrained designs while maintaining good manufacturability and thermal characteristics.

Typical Applications

• Embedded Computing - This SDRAM serves as main system memory in embedded processors and microcontrollers where the 8M x 16 organization matches common 16-bit data buses and the 143MHz operation supports processor speeds in the 100-200MHz range.
• Networking Equipment - Provides buffer memory for routers, switches, and network interface cards where synchronous operation simplifies timing with network processors and the parallel interface offers straightforward integration.
• Industrial Controllers - Functions as working memory in PLCs, motion controllers, and industrial PCs operating in controlled environments within the 0°C to 70°C temperature range, where the TSOP II package supports standard SMT assembly processes.
• Medical Devices - Supports data processing and buffering in diagnostic equipment and patient monitoring systems where the commercial temperature rating aligns with typical hospital and clinic environments.
• Consumer Electronics - Enables system memory for set-top boxes, digital displays, and consumer appliances where cost-effective SDRAM technology meets performance requirements without the premium of DDR alternatives.

Unique Advantages

• Cost-Effective Memory Solution: SDRAM technology provides excellent price-performance for applications that don't require the bandwidth of DDR memory, reducing BOM costs while meeting system performance targets.
• Simplified Integration: Synchronous operation and standard JEDEC-compatible timing eliminate complex asynchronous timing considerations, accelerating development and reducing controller complexity.
• Proven Technology: SDRAM architecture offers mature, well-understood design patterns with extensive controller IP and reference designs available, minimizing development risk.
• Standard Supply Voltage: 3.3V operation matches common system voltages in embedded designs, avoiding the need for dedicated memory power regulators and simplifying power supply design.
• Compact Surface Mount Package: TSOP II format balances density and ease of assembly, supporting automated manufacturing while maintaining accessible pitch for inspection and rework.
• Active Lifecycle Status: Current production availability from Alliance Memory ensures long-term supply continuity for product designs requiring sustained component availability.

Why Choose AS4C8M16SA-7TCNTR?

The AS4C8M16SA-7TCNTR is positioned for embedded system designers who need reliable, cost-effective memory with straightforward integration. Its 143MHz operation and 5.4ns access time provide sufficient performance for moderate-speed applications while avoiding the cost premium of higher-speed DDR technologies. The 8M x 16 organization aligns naturally with 16-bit processor architectures common in industrial and embedded systems.

This SDRAM is ideal for designs where proven technology, predictable supply, and value engineering are priorities. The commercial temperature rating suits the majority of indoor applications, while the standard TSOP II package supports established manufacturing processes. For system architects seeking to balance performance requirements with cost constraints in embedded computing, industrial control, networking, or consumer electronics applications, the AS4C8M16SA-7TCNTR delivers dependable memory functionality with long-term availability.

Get a Quote

Contact our sales team to request pricing and lead time information for the AS4C8M16SA-7TCNTR. Our technical specialists can assist with integration questions and provide application support to help ensure successful implementation in your design.