IS42S16400E-7TL

The IS42S16400E-7TL is a 64-megabit synchronous dynamic random access memory (SDRAM) organized as 4M x 16 with LVTTL interface levels. Built for embedded applications requiring reliable volatile memory, this SDRAM operates at up to 143MHz clock frequency with a 5.4ns access time, making it suitable for systems requiring fast data throughput within a commercial temperature range.

Key Features

• Memory Core - 64Mbit SDRAM technology with 4M x 16 organization provides flexible memory architecture for 16-bit data bus systems.
• High-Speed Operation - 143MHz clock frequency with 5.4ns access time enables rapid read/write cycles for performance-sensitive applications.
• Interface - LVTTL (Low Voltage TTL) interface simplifies integration with standard digital logic operating at 3V to 3.6V supply voltage.
• Package - 54-pin TSOP II (0.400", 10.16mm width) surface mount package offers compact footprint for space-constrained designs.
• Operating Range - Commercial temperature range of 0°C to 70°C (TA) suits standard indoor electronic equipment.

Typical Applications

• Embedded Computing Systems - This SDRAM provides main memory for microcontrollers and processors in consumer electronics, where the 64Mbit capacity and fast access times support program execution and data buffering without requiring extensive board space.
• Industrial Control Equipment - The commercial temperature rating makes this memory appropriate for controllers and terminals operating in climate-controlled environments where consistent performance across 0°C to 70°C ensures reliable data storage.
• Networking Equipment - Fast clock frequencies and low access times enable packet buffering and data handling in switches and routers where rapid memory operations prevent bottlenecks in data flow.
• Display Controllers - The 16-bit data organization aligns well with graphics and display systems that require frame buffer memory, where the LVTTL interface provides straightforward integration with display driver circuits.

Unique Advantages

• Simplified Interface Design: LVTTL compatibility eliminates the need for voltage level translation, reducing component count and board complexity.
• Compact Memory Solution: 54-pin TSOP II package delivers 64Mbit capacity in a small footprint, maximizing board space efficiency.
• Standard Pinout: Industry-standard TSOP packaging enables straightforward PCB layout and potential for multiple sourcing options.
• Proven SDRAM Architecture: Well-established synchronous DRAM technology provides predictable timing characteristics that simplify memory controller design.
• Moderate Power Supply Range: 3V to 3.6V operation allows compatibility with common embedded system voltage rails without dedicated regulators.

Why Choose IS42S16400E-7TL?

The IS42S16400E-7TL offers a straightforward SDRAM solution for designs requiring 64Mbit of volatile memory with LVTTL interface compatibility. Its combination of 143MHz clock speed, 5.4ns access time, and compact TSOP II packaging makes it appropriate for embedded systems, industrial controls, and networking equipment operating within commercial temperature ranges. The standard LVTTL interface simplifies integration with existing digital logic while the 4M x 16 organization provides flexibility for 16-bit bus architectures.

This memory IC is well-suited for cost-conscious designs where commercial temperature operation is acceptable and where proven SDRAM technology provides the reliability and predictable timing characteristics needed for stable system operation.

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Contact our sales team to discuss your memory requirements and receive pricing for the IS42S16400E-7TL. We can provide technical support for integration, volume pricing options, and information about availability to help you meet your project timelines.