IS42S16800J-7BL-TR

The IS42S16800J-7BL-TR is a 128-megabit synchronous dynamic RAM (SDRAM) organized as 8M x 16-bit, designed for applications requiring moderate density memory with fast access times. Built on proven SDRAM technology, this device operates at 143MHz and delivers 5.4ns access time. The compact 54-pin TFBGA package (8x8mm) makes it ideal for space-constrained designs in consumer, computing, and industrial systems.

This memory IC supports standard 3.3V operation with LVTTL-compatible interface signals, simplifying integration into existing digital systems. With active lifecycle status and availability in tape-and-reel packaging, the IS42S16800J-7BL-TR provides a reliable memory solution for both new designs and product refreshes.

Key Features

• Memory Core - 128Mbit density organized as 8M x 16-bit configuration provides balanced capacity and data width for moderate-bandwidth applications.
• Performance - 143MHz clock frequency with 5.4ns access time delivers responsive read/write operations for real-time processing requirements.
• Power and Interface - 3V to 3.6V supply voltage range with LVTTL-compatible signals ensures straightforward integration with common logic families and microcontrollers.
• Package - 54-pin TFBGA measuring 8x8mm offers high pin density in a compact footprint, conserving valuable PCB real estate.
• Operating Range - Commercial temperature range of 0°C to 70°C suits standard indoor and office environments.

Typical Applications

• Consumer Electronics - This SDRAM serves as main system memory in set-top boxes, digital TVs, and home automation devices where the 8M x 16 organization matches typical processor bus widths and the compact BGA package enables slim product designs.
• Embedded Computing Systems - Single-board computers and embedded modules use this memory for program execution and data buffering, with the 143MHz clock supporting ARM and other embedded processors running at moderate speeds.
• Industrial Control Equipment - PLCs, motor controllers, and factory automation systems leverage this SDRAM for runtime program storage and HMI buffering where the commercial temperature range meets typical indoor industrial environments.
• Office and Business Equipment - Printers, scanners, and copiers utilize this memory for image buffering and data processing, with the 128Mbit density providing sufficient capacity for document handling at reasonable cost.
• Communication Devices - Networking equipment and telecommunication devices employ this SDRAM for packet buffering and protocol processing where synchronous operation synchronizes with system clocks.

Unique Advantages

• Space-Efficient Design: The 8x8mm TFBGA footprint reduces PCB area requirements by up to 40% compared to equivalent TSOP packages, enabling smaller product form factors or freeing board space for additional features.
• Simplified Power Management: Single 3.3V supply operation eliminates the need for multiple voltage rails and associated regulation circuitry, reducing BOM cost and simplifying power distribution design.
• Standard Interface Compatibility: LVTTL-compatible signals interface directly with most microcontrollers and processors without level translation, reducing component count and potential signal integrity issues.
• Balanced Memory Configuration: The 8M x 16 organization matches common 16-bit processor data buses, minimizing wasted memory bits and optimizing memory utilization efficiency.
• Proven SDRAM Technology: Mature synchronous DRAM architecture provides predictable timing characteristics and established design practices, reducing development risk compared to newer memory technologies.
• Active Production Status: Current lifecycle status ensures long-term availability for product lifecycles spanning multiple years, reducing redesign and requalification risks.

Why Choose IS42S16800J-7BL-TR?

This SDRAM strikes an effective balance between density, performance, and package size for commercial-grade embedded applications. The 128Mbit capacity provides sufficient memory for many embedded systems without over-specifying (and overpaying for) unnecessary density. The compact TFBGA package addresses the ongoing pressure to reduce product dimensions while maintaining reliability through proven ball-grid-array interconnection technology.

For design teams working with 16-bit processors or systems requiring moderate memory bandwidth, the IS42S16800J-7BL-TR offers straightforward integration with standard 3.3V logic levels and synchronous timing. ISSI's position as an established memory supplier combined with the device's active status makes this a practical choice for designs requiring multi-year production runs and predictable component availability.

Request a Quote

Contact our sales team for pricing, lead times, and technical support for the IS42S16800J-7BL-TR. Our applications engineers can assist with memory interface design, timing analysis, and PCB layout recommendations to help ensure successful integration into your system.