IS42S16400N-7BLI

The IS42S16400N-7BLI is a 64Mbit synchronous DRAM organized as 4M x 16, designed for applications requiring reliable memory performance across extended temperature ranges. Built on proven SDRAM technology, this memory device delivers consistent 143MHz clock frequency operation with 5.4ns access time. Ideal for industrial controls, automotive systems, and embedded applications where temperature tolerance and reliability are critical.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M x 16, providing flexible addressing for embedded system designs while maintaining a straightforward interface.
• Synchronous Operation - 143MHz clock frequency with 5.4ns access time enables predictable timing for system synchronization and reduces design complexity compared to asynchronous memory.
• Power Supply - 3V to 3.6V operating voltage range supports standard 3.3V logic levels, simplifying integration with common microcontrollers and processors.
• Interface - LVTTL-compatible parallel interface ensures straightforward connection to standard logic families without level shifters.
• Extended Temperature Range - -40°C to 85°C ambient operating range qualifies this SDRAM for industrial and automotive environments where standard commercial parts may fail.
• Compact Package - 54-pin TFBGA in an 8x8mm footprint offers high density for space-constrained designs while maintaining reliable ball-grid connections.

Typical Applications

• Industrial Automation - This SDRAM provides reliable memory for PLCs, HMI systems, and motion controllers where the extended temperature range ensures consistent operation in factory floor environments subject to temperature variation.
• Embedded Computing - Serves as main memory or frame buffer for embedded processors in medical devices, test equipment, and control systems that require stable memory performance without thermal management complexity.
• Automotive Electronics - Suitable for infotainment systems, instrument clusters, and body control modules operating in engine compartments or under-dash locations where ambient temperatures regularly exceed commercial specifications.
• Communications Equipment - Functions as buffer memory in routers, switches, and base stations deployed in outdoor enclosures or telecom shelters where HVAC may be limited and temperature excursions are common.
• Military and Aerospace - Provides data storage for ruggedized systems where extended temperature tolerance is mandatory and the synchronous interface simplifies FPGA or ASIC memory controller design.

Unique Advantages

• Reduced Thermal Management Requirements: The -40°C to 85°C operating range eliminates the need for active cooling or heating in many industrial designs, reducing BOM costs and improving system reliability.
• Simplified PCB Layout: The LVTTL interface and 3.3V supply voltage allow direct connection to most embedded processors without additional level-shifting components, saving board space and design time.
• Predictable Timing: Synchronous SDRAM architecture with fixed 143MHz clock operation simplifies memory controller design and timing analysis compared to asynchronous DRAM variants.
• Space-Efficient Footprint: The 8x8mm TFBGA package delivers 64Mbit capacity in minimal PCB area, enabling higher density designs for portable or embedded systems with size constraints.
• Active Lifecycle Status: Current production availability ensures long-term supply for designs with extended product lifecycles typical of industrial and automotive applications.
• Proven Technology: Based on mature SDRAM architecture with established reliability data, reducing risk for designs requiring field longevity and predictable failure rates.

Why Choose IS42S16400N-7BLI?

The IS42S16400N-7BLI addresses the needs of designers requiring reliable synchronous memory in harsh environments. Its extended temperature range qualification makes it particularly valuable for industrial equipment, automotive systems, and outdoor installations where commercial-grade components cannot guarantee operation. The compact TFBGA package and standard interface reduce integration complexity while the 64Mbit density provides sufficient capacity for buffering, frame storage, or small data sets without oversizing the memory subsystem.

For embedded systems requiring proven memory technology with thermal resilience, the IS42S16400N-7BLI offers a balance of capacity, performance, and environmental tolerance that simplifies system architecture while meeting industrial operating requirements.

Get Started

Ready to integrate the IS42S16400N-7BLI into your design? Request a quote or contact our sales team for pricing, lead times, and technical support to ensure this SDRAM meets your application requirements.