IS43DR16320E-25DBL

The IS43DR16320E-25DBL is a 512Mbit DDR2 SDRAM memory device from ISSI, Integrated Silicon Solution Inc, organized as 32M x 16 to deliver high-bandwidth data access for embedded systems and consumer electronics. Built on mature DDR2 SDRAM technology, this parallel interface memory operates at 400MHz clock frequency with 4ns access time, making it well-suited for applications requiring reliable, cost-effective volatile memory storage. The device operates from a 1.7V to 1.9V supply range and supports commercial temperature operation from 0°C to 85°C.

Key Features

• Memory Architecture - 512Mbit capacity organized as 32M x 16 provides flexible word-width access for data-intensive applications requiring moderate density volatile storage.
• DDR2 SDRAM Technology - Double data rate operation at 400MHz clock frequency delivers efficient throughput with 4ns access time and 15ns write cycle time for balanced read/write performance.
• Power Supply - 1.7V to 1.9V operating voltage range aligns with standard DDR2 specifications, simplifying integration into systems with established DDR2 power rails.
• Parallel Interface - Direct memory interface enables straightforward connection to processors, FPGAs, and controllers that support parallel DDR2 memory standards.
• Package - 84-pin TWBGA (8x12.5mm) provides a compact footprint suitable for space-constrained PCB layouts while maintaining industry-standard pinout compatibility.
• Operating Temperature - 0°C to 85°C case temperature range covers commercial applications including consumer electronics, networking equipment, and office automation systems.

Typical Applications

• Set-Top Boxes and Media Players - This DDR2 SDRAM provides working memory for video processing and buffering in digital TV receivers and streaming media devices where the 512Mbit capacity supports standard-definition to high-definition content handling.
• Networking Equipment - Routers, switches, and access points use this memory for packet buffering and routing tables, where the 400MHz operation enables line-rate processing for enterprise and residential networking applications.
• Point-of-Sale Terminals - Retail transaction systems and payment terminals leverage this DRAM for application execution and transaction processing, where the commercial temperature range ensures reliable operation in retail environments.
• Office Automation - Printers, scanners, and multifunction devices utilize this memory for image buffering and processing tasks, where the parallel interface simplifies integration with existing embedded controller architectures.
• Consumer Electronics - Digital cameras, portable gaming devices, and home appliances incorporate this memory for system operation and data buffering where cost-effective DDR2 technology meets performance requirements.

Unique Advantages

• Mature DDR2 Ecosystem: Established technology with broad controller support and extensive design resources reduces development time and technical risk for new designs.
• Balanced Performance-to-Cost: 400MHz operation and 4ns access time deliver sufficient bandwidth for many embedded applications at a lower price point than DDR3 or DDR4 alternatives.
• Compact TWBGA Footprint: 8x12.5mm package size enables efficient board space utilization in portable and space-constrained product designs.
• Standard Supply Voltage: 1.7V to 1.9V range matches DDR2 specification, allowing use of commodity power management ICs and simplifying power supply design.
• Commercial Temperature Support: 0°C to 85°C operation covers typical consumer and commercial environments without requiring extended temperature qualification or premium pricing.
• Active Lifecycle Status: Ongoing production availability supports new design-ins and reduces concerns about obsolescence for products with multi-year lifecycles.

Why Choose IS43DR16320E-25DBL?

The IS43DR16320E-25DBL offers an optimal balance of performance, density, and cost for embedded systems that have matured beyond simpler SDR SDRAM but do not require the higher speeds and power consumption of DDR3/DDR4 technologies. This memory is particularly well-suited for designs targeting consumer electronics, networking infrastructure, and commercial equipment where 400MHz DDR2 performance meets application requirements and established controller support accelerates time-to-market. The 32M x 16 organization provides word-width flexibility for various processor architectures and data path widths.

For design teams working with processors, FPGAs, or ASICs that include DDR2 memory controllers, this device integrates seamlessly into existing reference designs and proven architectures. The commercial temperature range and compact TWBGA package support high-volume consumer and commercial applications where reliability, cost, and board space are key considerations. With active lifecycle status from ISSI, this memory provides a stable foundation for products requiring multi-year production support.

Get Started

Contact our team to request a quote for the IS43DR16320E-25DBL or to discuss volume pricing and availability for your specific application requirements. Our technical support staff can provide integration guidance, reference designs, and procurement assistance to support your development timeline.