IS42S16160B-7TLI-TR
| Part Description |
IC DRAM 256MBIT PAR 54TSOP II |
|---|---|
| Quantity | 298 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 | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 Mbit | Access Time | 5.4 ns | Grade | Industrial | ||
| Clock Frequency | 143 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 16M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of IS42S16160B-7TLI-TR - 256Mbit SDRAM Memory Solution
The IS42S16160B-7TLI-TR is a 256-megabit synchronous dynamic random access memory (SDRAM) device organized as 16 million words by 16 bits. This parallel interface SDRAM operates from a 3V to 3.6V supply and features a 143MHz clock frequency with 5.4ns access time, making it suitable for applications requiring moderate-density volatile memory with extended industrial temperature range support.
Key Features
- Memory Architecture - 256Mbit capacity organized as 16M x 16, providing flexible data bus width for word-based processing applications.
- Performance Specifications - 143MHz clock frequency with 5.4ns access time delivers reliable data throughput for real-time embedded applications.
- Operating Voltage - 3V to 3.6V supply voltage range supports standard 3.3V logic systems commonly used in industrial and embedded designs.
- Extended Temperature Range - Rated for -40°C to 85°C operation, ensuring reliable performance across industrial environmental conditions.
- Standard Package - Available in 54-TSOP II (0.400", 10.16mm width) surface-mount package for straightforward PCB integration.
- Parallel Interface - Direct memory access through parallel bus simplifies integration with microcontrollers and processors supporting standard SDRAM protocols.
Typical Applications
- Industrial Control Systems - This SDRAM provides working memory for programmable logic controllers and industrial computers where the extended temperature range ensures consistent operation in factory floor environments.
- Embedded Computing Platforms - Serves as system memory for embedded processors in instrumentation and control applications requiring moderate memory density with reliable parallel interface access.
- Telecommunications Equipment - Functions as buffer memory in networking and communications devices where the 143MHz clock frequency supports data handling requirements while operating within industrial temperature specifications.
- Legacy System Upgrades - Provides memory replacement or expansion for existing designs requiring 3.3V SDRAM in TSOP II packaging, maintaining compatibility with established system architectures.
Unique Advantages
- Industrial Temperature Qualification: The -40°C to 85°C operating range extends deployment options to harsh environments without requiring additional thermal management.
- Simplified System Design: Standard parallel SDRAM interface reduces integration complexity compared to newer memory technologies, leveraging established controller IP and design practices.
- Proven Technology Platform: SDRAM architecture provides deterministic performance characteristics that simplify real-time system timing analysis and validation.
- Moderate Power Budget: 3V to 3.6V operation aligns with power supply rails commonly available in embedded systems, minimizing additional voltage regulation requirements.
- Standard Footprint: 54-TSOP II package uses established PCB layout patterns and is compatible with widely available assembly processes.
Why Choose IS42S16160B-7TLI-TR?
The IS42S16160B-7TLI-TR addresses requirements for industrial-grade volatile memory in systems built around standard SDRAM interfaces. Its 256Mbit density and 16-bit organization match the working memory needs of embedded controllers and processing modules operating in extended temperature environments. The parallel interface and TSOP II packaging support both new designs requiring proven memory technology and maintenance of existing platforms.
This device is appropriate for industrial control, instrumentation, and telecommunications applications where design stability and extended temperature operation are prioritized. Note that this component has Obsolete lifecycle status, so availability should be confirmed for new design-ins, and alternative memory solutions may be preferred for long-term production programs.
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