IS42S16800F-7TL-TR

The IS42S16800F-7TL-TR is a 128Mbit synchronous DRAM (SDRAM) from ISSI, Integrated Silicon Solution Inc, organized as 8M x 16 bits. This volatile memory solution offers reliable parallel interface access with a 143MHz maximum clock frequency and 5.4ns access time. Designed for commercial temperature range applications, this SDRAM serves embedded systems, consumer electronics, and networking equipment requiring cost-effective memory expansion.

Key Features

• Memory Configuration - 128Mbit density in 8M x 16-bit organization provides flexible memory mapping for embedded applications requiring word-wide data access.
• Performance Specifications - 143MHz maximum clock frequency with 5.4ns access time (-7TL speed grade) delivers sufficient bandwidth for commercial-grade control systems and data buffering applications.
• Power Supply - Single 3V to 3.6V supply voltage simplifies power distribution and enables integration with standard 3.3V logic families.
• Package Configuration - 54-pin TSOP II (0.400", 10.16mm width) provides a compact footprint suitable for space-constrained PCB designs while maintaining standard through-hole compatibility.
• Temperature Range - Commercial operating temperature range of 0°C to 70°C (TA) suits indoor and controlled-environment applications.

Typical Applications

• Consumer Electronics - This SDRAM serves as main memory or frame buffer in set-top boxes, digital TVs, and multimedia devices where moderate density and cost-effectiveness are priorities.
• Networking Equipment - The parallel interface and word-wide organization make this memory suitable for packet buffering in switches and routers operating in climate-controlled facilities.
• Embedded Systems - Commercial-grade controllers and data acquisition systems benefit from the straightforward parallel interface and 3.3V compatibility for legacy design support.
• Legacy System Maintenance - With TSOP II packaging and standard SDRAM timing, this component supports service, repair, and long-term maintenance of established product lines.

Unique Advantages

• Standard SDRAM Interface: Proven synchronous DRAM architecture requires minimal controller complexity, reducing firmware development effort compared to newer memory technologies.
• Word-Wide Data Path: The 16-bit organization matches common microcontroller and DSP bus widths, simplifying interface design without external multiplexing.
• Single Voltage Operation: 3.3V-only supply eliminates the need for multiple voltage rails, reducing BOM cost and board complexity.
• Compact TSOP Packaging: Industry-standard 54-TSOP II footprint enables direct replacement in existing designs and provides established manufacturing processes.
• Commercial Temperature Operation: 0°C to 70°C rating aligns with typical indoor equipment specifications, avoiding unnecessary overdesign costs.

Why Choose IS42S16800F-7TL-TR?

This SDRAM component addresses requirements for established embedded designs and legacy system support where standard parallel memory interfaces remain prevalent. The 128Mbit density provides sufficient capacity for control applications, small-scale data buffering, and firmware execution environments without excess cost. Engineers supporting long-lifecycle products or maintaining installed equipment bases will find the TSOP II package and 3.3V operation compatible with mature design architectures.

Please note that this component carries an Obsolete lifecycle status. While existing inventory may be available, long-term design-in decisions should consider current-generation memory solutions for new projects requiring extended availability horizons.

Request Pricing and Availability

Contact our sales team to inquire about current stock availability, volume pricing, and lead times for the IS42S16800F-7TL-TR. Our technical support staff can assist with datasheet interpretation, interface design guidance, and alternative component recommendations for new designs.