IS42S16400J-7BL-TR

The IS42S16400J-7BL-TR is a 64-megabit synchronous dynamic random access memory (SDRAM) device organized as 4M x 16 bits. This parallel-interface SDRAM operates at clock frequencies up to 143MHz with a 5.4ns access time, making it suitable for embedded applications requiring fast, cost-effective volatile memory. Housed in a compact 54-pin TFBGA package measuring 8x8mm, this device provides efficient memory density for space-constrained designs operating in commercial temperature ranges.

Key Features

• Memory Architecture: 64Mbit capacity organized as 4M x 16 bits, providing flexible data width for 16-bit bus architectures commonly used in microcontroller and DSP systems.
• Performance: Supports clock frequencies up to 143MHz with 5.4ns access time, delivering responsive memory performance for real-time applications.
• Power Supply: Operates on a single 3V to 3.6V supply voltage, compatible with standard 3.3V logic systems and reducing power management complexity.
• Package: 54-pin TFBGA in an 8x8mm footprint, offering a space-efficient solution for high-density board layouts.
• Temperature Range: Commercial temperature grade rated for 0°C to 70°C ambient operation, suitable for indoor and controlled-environment applications.

Typical Applications

• Consumer Electronics: This SDRAM provides working memory for set-top boxes, digital cameras, and multimedia devices where the 143MHz clock frequency supports smooth data processing and the compact TFBGA package enables slim product designs.
• Industrial Control Systems: The device serves as program and data memory in industrial controllers and automation equipment where the commercial temperature range is appropriate for climate-controlled factory environments and the parallel interface simplifies integration with legacy system architectures.
• Embedded Computing: This memory component supports microcontroller and DSP-based embedded systems where the 4M x 16 organization matches common processor bus widths and the 64Mbit capacity provides sufficient buffer space for data acquisition and signal processing tasks.
• Networking Equipment: The SDRAM functions as packet buffer memory in switches and routers operating in office environments where fast access times support wire-speed packet processing and the parallel interface enables straightforward hardware design.

Unique Advantages

• Simplified BOM Management: Standard JEDEC-compliant SDRAM interface reduces design complexity and enables straightforward sourcing of compatible alternatives.
• Cost-Effective Memory Solution: Proven SDRAM technology delivers reliable volatile memory at competitive pricing for cost-sensitive commercial applications.
• Space-Efficient Packaging: The 8x8mm TFBGA footprint minimizes board real estate consumption compared to larger memory packages, enabling denser product designs.
• Wide Supply Voltage Tolerance: The 3V to 3.6V operating range accommodates voltage variations in practical systems without requiring precision voltage regulation.
• Established Technology Platform: SDRAM architecture provides well-understood design-in process with extensive reference materials and proven track record in commercial applications.

Why Choose IS42S16400J-7BL-TR?

The IS42S16400J-7BL-TR offers a mature, cost-effective memory solution for commercial embedded systems requiring 64Mbit of fast volatile storage. Its combination of 143MHz operating frequency, compact TFBGA package, and standard parallel interface makes it well-suited for space-constrained designs in consumer electronics, industrial controls, and networking equipment operating in controlled temperature environments. The device's straightforward SDRAM architecture simplifies hardware design and firmware development while delivering reliable performance for buffering, working memory, and data processing applications.

Please note that this product carries an obsolete lifecycle status. For new designs, consult with ISSI or your distributor regarding current availability, last-time-buy opportunities, and recommended alternative devices with similar specifications.

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Contact our sales team to discuss pricing, availability, and technical support for the IS42S16400J-7BL-TR. Our application engineers can assist with design-in support, reference designs, and recommendations for your specific memory requirements.