IS45S16800B-7TLA1-TR

The IS45S16800B-7TLA1-TR is a 128-megabit synchronous dynamic RAM featuring a 8M x 16 memory organization with a 143MHz clock frequency and 5.4ns access time. Built on proven SDRAM technology, this parallel-interface memory IC delivers reliable data storage and fast access for embedded systems requiring moderate density with deterministic latency.

Operating across an industrial temperature range of -40°C to 85°C, this DRAM is well-suited for applications demanding temperature resilience without automotive qualification. The 3V to 3.6V supply voltage aligns with standard embedded system designs, while the 54-pin TSOP II package provides a compact footprint for space-constrained designs.

Key Features

• Memory Configuration - 128-megabit capacity organized as 8M x 16, providing a balance between density and bus width for systems with moderate memory requirements.
• Synchronous Architecture - SDRAM technology with 143MHz clock frequency enables predictable, synchronized data transfer aligned with system bus timing.
• Access Performance - 5.4ns access time supports responsive memory operations for applications requiring quick data retrieval without complex caching schemes.
• Power Supply - 3V to 3.6V operating voltage compatible with standard logic families and reduces power consumption compared to legacy 5V memories.
• Industrial Temperature Range - -40°C to 85°C operating range ensures reliable operation in industrial control, instrumentation, and harsh-environment applications.
• Compact Package - 54-pin TSOP II (10.16mm width) surface-mount package minimizes board space while maintaining reliable solderability and thermal performance.

Typical Applications

• Industrial Control Systems - This SDRAM provides working memory for PLCs, process controllers, and data acquisition systems where the extended temperature range ensures consistent operation in factory floor and outdoor enclosure installations.
• Embedded Computing Platforms - The 8M x 16 organization serves as main memory or frame buffer storage in embedded processors and microcontrollers running real-time operating systems or dedicated firmware.
• Test and Measurement Equipment - The parallel interface and synchronous operation enable buffering of high-speed data streams in oscilloscopes, logic analyzers, and signal generators where deterministic timing is essential.
• Networking and Communications - The memory supports packet buffering and lookup table storage in routers, switches, and protocol converters operating in temperature-variant telecom installations.
• Medical and Laboratory Instruments - The SDRAM provides reliable data storage for diagnostic equipment and analyzers where industrial temperature tolerance accommodates varied installation environments.

Unique Advantages

• Predictable Latency: Synchronous operation eliminates asynchronous wait-state uncertainty, simplifying timing analysis and reducing design complexity in real-time systems.
• Standard Interface: Parallel SDRAM architecture uses well-documented protocols supported by common microcontrollers and FPGAs, reducing development time and enabling straightforward memory controller implementation.
• Temperature Resilience: Industrial-grade -40°C to 85°C operation accommodates installations in uncontrolled environments without requiring thermal management systems or derating.
• Compact Footprint: The 54-TSOP II package provides higher pin density than DIP alternatives while maintaining compatibility with standard SMT assembly processes.
• Voltage Compatibility: 3.3V operation aligns with modern low-power logic while remaining compatible with mixed-voltage systems through level translation.
• Proven Technology: SDRAM architecture represents mature, well-understood technology with extensive support in development tools, reducing integration risk.

Why Choose IS45S16800B-7TLA1-TR?

This SDRAM addresses the needs of industrial and embedded designs requiring reliable, moderate-density volatile memory with parallel access and industrial temperature tolerance. The 8M x 16 organization provides a practical balance for systems needing more than smaller SRAMs can offer without the complexity of DDR technologies. The synchronous interface simplifies integration with modern microcontrollers and FPGAs while maintaining deterministic timing characteristics.

Engineers designing for industrial control, test equipment, or embedded computing benefit from the extended temperature range and standard SDRAM interface that reduces development risk. The compact TSOP II package supports space-efficient designs while the 3.3V operation aligns with contemporary power budgets.

Contact Us for Availability

Note that this product has reached obsolete lifecycle status. For legacy system support, repair, or redesign assistance, please contact our sales team to discuss availability, alternative solutions, or potential last-time-buy opportunities. We can help you identify suitable replacements or develop migration strategies for ongoing projects.