IS42S16800F-5TLI-TR

The IS42S16800F-5TLI-TR from ISSI (Integrated Silicon Solution Inc) is a 128-megabit synchronous DRAM (SDRAM) organized as 8 million words by 16 bits. This parallel interface memory device operates at 200MHz clock frequency with a 5ns access time, making it well-suited for embedded systems requiring moderate performance volatile memory. The device operates from a 3V to 3.6V supply and provides reliable data storage across an industrial temperature range of -40°C to 85°C.

Key Features

• Memory Architecture - 128Mbit capacity configured as 8M x 16 organization providing flexible data width for embedded applications that require 16-bit parallel data paths.
• Performance Specifications - 200MHz clock frequency with 5ns access time delivers responsive read/write operations suitable for real-time data buffering and processing tasks.
• Power Requirements - Single 3V to 3.6V supply voltage simplifies power distribution design and maintains compatibility with standard 3.3V logic systems.
• Parallel Interface - Direct parallel memory interface enables straightforward integration with microcontrollers, DSPs, and FPGAs without requiring external memory controllers.
• Temperature Range - -40°C to 85°C operating range supports deployment in industrial environments subject to temperature variations.
• Package Format - 54-pin TSOP II package (0.400" width, 10.16mm) provides a compact surface-mount footprint for space-constrained PCB layouts.

Typical Applications

• Industrial Control Systems - This SDRAM serves as program memory and data buffer in PLCs and industrial controllers where the extended temperature range ensures stable operation in factory floor environments.
• Embedded Computing Platforms - The parallel interface and 128Mbit capacity make this device suitable for embedded processors requiring local volatile memory for operating systems and application data storage.
• Telecommunications Equipment - Network routers and switches utilize this SDRAM for packet buffering and routing table storage where the 200MHz operation supports moderate data throughput requirements.
• Test and Measurement Instruments - Oscilloscopes and data acquisition systems employ this memory for waveform capture and signal processing tasks that benefit from the industrial temperature rating.

Unique Advantages

• Standard SDRAM Interface: Eliminates the need for specialized memory controller IP or external bridge chips, reducing overall system complexity and BOM costs.
• Industrial Temperature Support: Enables reliable operation in harsh environments without requiring temperature compensation circuitry or active cooling solutions.
• Proven Technology: SDRAM architecture provides mature, well-understood design characteristics that simplify validation and reduce integration risks.
• 16-bit Data Width: Matches the natural word size of many 16-bit and 32-bit embedded processors, improving memory access efficiency without additional buffering.
• Single Voltage Operation: 3.3V supply compatibility simplifies power supply design and reduces the number of required voltage rails on the PCB.

Why Choose IS42S16800F-5TLI-TR?

This SDRAM is positioned for embedded and industrial applications where moderate memory capacity, industrial temperature tolerance, and straightforward parallel interfacing are key requirements. Design engineers working on cost-sensitive industrial equipment benefit from the device's standard interface and proven SDRAM technology, which reduce development time and qualification effort.

Note that this product has reached obsolete lifecycle status. Engineers currently using this device in production designs should consult with ISSI regarding long-term availability planning and potential migration paths to current-generation memory solutions.

Get a Quote

For pricing information, availability details, or technical specifications on the IS42S16800F-5TLI-TR, contact our sales team. We can provide volume pricing, lead time estimates, and recommendations for alternative memory solutions if needed.