IS42S16400J-6TLI
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 1,616 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 | 64 Mbit | Access Time | 5.4 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 | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of IS42S16400J-6TLI - 64Mbit Synchronous DRAM
The IS42S16400J-6TLI is a 64Mbit synchronous dynamic random access memory (SDRAM) organized as 4M x 16 bits. Operating from a single 3V to 3.6V supply, this memory device provides reliable parallel interface data storage for embedded systems requiring moderate density volatile memory with extended temperature operation. With a 166MHz clock frequency and 5.4ns access time, this SDRAM delivers consistent performance for applications demanding reliable memory in industrial temperature ranges.
The 54-TSOP II package offers a compact footprint suitable for space-constrained designs while maintaining compatibility with standard PCB manufacturing processes.
Key Features
- Memory Architecture - 64Mbit capacity organized as 4M x 16-bit words provides flexible data width for 16-bit processor interfaces and applications requiring word-aligned access.
- Performance Specifications - 166MHz clock frequency with 5.4ns access time enables responsive data throughput for real-time embedded applications and control systems.
- Power Supply - Single 3V to 3.6V supply voltage simplifies power distribution and reduces board complexity in 3.3V logic systems.
- Interface - Parallel interface provides straightforward integration with microcontrollers, DSPs, and other processors using standard memory bus protocols.
- Extended Temperature Range - -40°C to 85°C operating range supports deployment in industrial environments subject to temperature extremes.
- Package - 54-pin TSOP II package with 10.16mm width offers a balance of pin count, thermal performance, and board space efficiency.
Typical Applications
- Industrial Control Systems - This SDRAM serves as working memory in PLCs and industrial controllers where the extended temperature rating ensures operation in factory floor conditions and the parallel interface simplifies integration with industrial-grade processors.
- Embedded Computing - The 64Mbit capacity provides sufficient volatile memory for embedded systems running real-time operating systems or handling moderate data buffering requirements in instrumentation and test equipment.
- Communications Equipment - In networking and telecommunications devices, this SDRAM functions as packet buffer memory where the 166MHz clock frequency supports data handling in routers and switches operating in environmentally challenging installation sites.
- Legacy System Upgrades - As a replacement component, this SDRAM enables repair and refurbishment of existing equipment designed around similar SDRAM specifications, helping extend the service life of established platforms.
Unique Advantages
- Industrial Temperature Tolerance: The -40°C to 85°C rating reduces the need for additional thermal management in harsh environments, lowering system cost and complexity.
- Standard 3.3V Logic Compatibility: Direct interface with common 3.3V microcontrollers and processors eliminates level shifters and simplifies power supply design.
- Proven SDRAM Technology: Synchronous DRAM architecture provides predictable timing characteristics that simplify memory controller design and firmware development.
- Parallel Interface Simplicity: Direct memory bus connection reduces protocol overhead compared to serial memories, benefiting applications where straightforward hardware integration is prioritized.
- Established Package Format: TSOP II packaging ensures compatibility with existing PCB layouts and manufacturing processes, facilitating drop-in replacement scenarios.
Why Choose IS42S16400J-6TLI?
The IS42S16400J-6TLI addresses requirements for moderate-density volatile memory in industrial and embedded applications where extended temperature operation is essential. Its combination of 64Mbit capacity, parallel interface, and industrial temperature rating makes it appropriate for control systems, instrumentation, and embedded computing platforms deployed in environmentally challenging settings. The standard TSOP II package and 3.3V operation ensure compatibility with established design practices and common processor architectures.
For designs maintaining existing platforms or requiring straightforward SDRAM integration with industrial temperature capabilities, this component provides a functional solution aligned with conventional embedded memory system requirements.
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