IS42S32800B-6TLI-TR
| Part Description |
IC DRAM 256MBIT PAR 86TSOP II |
|---|---|
| Quantity | 1,605 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Integrated Silicon Solution Inc |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 86-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 Mbit | Access Time | 5.5 ns | Grade | Industrial | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 86-TFSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 8M x 32 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of IS42S32800B-6TLI-TR - 256Mbit Synchronous DRAM
The IS42S32800B-6TLI-TR is a 256-megabit synchronous dynamic random access memory (SDRAM) organized as 8M x 32, delivering high-speed parallel interface performance for embedded systems requiring substantial volatile memory. Operating at clock frequencies up to 166MHz with 5.5ns access time, this SDRAM integrates seamlessly into designs demanding fast data throughput and extended temperature reliability.
Key Features
- Memory Architecture - 256Mbit capacity organized as 8M x 32, providing flexible data width for 32-bit bus architectures common in industrial and communications applications.
- High-Speed Performance - Supports clock frequencies up to 166MHz with 5.5ns access time, enabling rapid read/write operations for time-sensitive embedded processing tasks.
- Standard Voltage Operation - Operates on 3V to 3.6V power supply, compatible with standard 3.3V logic systems and reducing power supply complexity in mixed-voltage designs.
- Extended Temperature Range - Qualified for -40°C to 85°C (TA) operation, suitable for industrial environments with temperature fluctuations beyond commercial specifications.
- Compact TSOP II Package - Available in 86-pin TSOP II (10.16mm width) surface-mount package, balancing pin count requirements with board space efficiency.
Typical Applications
- Industrial Control Systems - This SDRAM provides working memory for programmable logic controllers (PLCs) and distributed control systems where extended temperature tolerance ensures reliable operation in factory floor environments subject to heat and cold variations.
- Communications Infrastructure - The 166MHz operating frequency supports buffer memory requirements in routers, switches, and base station equipment where parallel data handling maintains packet processing throughput.
- Test and Measurement Equipment - High-speed access times enable data acquisition systems and oscilloscopes to capture and process measurement samples without introducing memory bottlenecks in signal analysis workflows.
- Legacy System Upgrades - Parallel SDRAM interface matches memory architectures in established embedded designs, facilitating capacity upgrades or component replacement in systems not migrating to DDR technologies.
Unique Advantages
- Proven SDRAM Technology: Synchronous DRAM architecture offers straightforward integration with existing controller designs, reducing development time compared to adopting newer memory technologies requiring different timing protocols.
- Industrial Temperature Resilience: Extended -40°C to 85°C operating range eliminates the need for thermal management solutions in many industrial installations, lowering system cost and complexity.
- Parallel Interface Compatibility: Direct parallel data bus eliminates protocol translation overhead present in serial memory interfaces, simplifying FPGA and ASIC memory controller logic.
- Standard Footprint: TSOP II package follows established PCB layout patterns, allowing drop-in replacement or design reuse from previous generations of embedded hardware.
- Voltage Level Matching: 3V to 3.6V supply voltage aligns with widespread 3.3V logic standards, avoiding level shifters or additional regulators in many system architectures.
Why Choose IS42S32800B-6TLI-TR?
This SDRAM suits engineering teams maintaining or upgrading parallel memory-based embedded systems where proven technology, extended temperature operation, and straightforward integration outweigh the need for cutting-edge DDR performance. The 8M x 32 organization matches 32-bit data path requirements common in ARM7, ARM9, and similar processor generations still deployed in long-lifecycle industrial products.
For designs prioritizing component longevity and supply chain continuity in industrial control, communications infrastructure, or test equipment markets, the IS42S32800B-6TLI-TR delivers reliable volatile memory performance with minimal design risk.
Contact for Pricing and Availability
Request a quote for the IS42S32800B-6TLI-TR or discuss technical requirements with our sales team to confirm suitability for your application and secure allocation for production volumes.