IS42S16400J-7TLI-TR
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 60 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 | 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 | 4M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of IS42S16400J-7TLI-TR - 64Mbit Synchronous DRAM
The IS42S16400J-7TLI-TR is a 64-megabit synchronous dynamic random access memory (SDRAM) organized as 4M x 16 bits. Built on proven SDRAM technology, this parallel interface memory device operates at clock frequencies up to 143MHz with 5.4ns access time, making it suitable for systems requiring moderate-density volatile memory with reliable performance across extended temperature ranges.
Key Features
- Memory Architecture - 64Mbit capacity configured as 4M x 16, providing flexible word-width access for 16-bit data bus applications.
- Clock Performance - Operates at frequencies up to 143MHz with 5.4ns access time, delivering responsive memory performance for real-time embedded systems.
- Voltage Operation - 3V to 3.6V supply voltage range supports standard 3.3V system designs, simplifying power supply requirements.
- Extended Temperature Range - Rated for -40°C to 85°C operation, ensuring reliable performance in industrial environments subject to temperature variation.
- Standard Package - 54-pin TSOP II package (0.400", 10.16mm width) provides industry-standard footprint and thermal characteristics for PCB integration.
- Parallel Interface - Direct parallel memory interface enables straightforward integration with microcontrollers, FPGAs, and processors without requiring complex protocol handling.
Typical Applications
- Industrial Control Systems - This SDRAM serves as working memory for PLCs and embedded controllers where the extended temperature tolerance ensures consistent operation in factory floor environments.
- Data Acquisition Equipment - Provides buffering capacity for instruments that capture and process measurement data before transfer to permanent storage.
- Communications Infrastructure - Functions as packet buffer memory in networking equipment where moderate density and reliable operation support data routing tasks.
- Test and Measurement Instruments - Offers temporary storage for waveform data and measurement results in benchtop and portable test equipment operating across varied environmental conditions.
- Legacy System Maintenance - Provides replacement memory components for existing equipment designs, supporting long-term serviceability of installed systems.
Unique Advantages
- Standard SDRAM Interface: Simplifies firmware development and reduces integration time with well-established memory protocols supported by most microcontrollers and development tools.
- Single 3.3V Supply: Eliminates need for multiple voltage rails, reducing BOM cost and simplifying power supply design in space-constrained applications.
- Extended Temperature Qualification: Provides design margin for industrial applications, reducing field failures from temperature-related memory errors.
- Parallel Access Model: Enables deterministic memory access patterns critical for real-time embedded systems without protocol overhead of serial interfaces.
- Industry-Standard Footprint: Facilitates board layout and component sourcing with widely recognized TSOP II package used across multiple vendors.
- Moderate Density Sweet Spot: Balances capacity with cost for applications requiring more than SRAM but less than high-density DDR solutions.
Why Choose IS42S16400J-7TLI-TR?
The IS42S16400J-7TLI-TR addresses the needs of industrial and embedded systems requiring reliable, moderate-capacity volatile memory with straightforward parallel interface. Its extended temperature rating and standard 3.3V operation make it particularly suitable for industrial control applications where environmental conditions vary and design simplicity reduces long-term maintenance burden. For designs that have established SDRAM interfaces in their architecture, this component provides a proven memory solution.
While this part carries an obsolete lifecycle status, it remains relevant for maintaining existing equipment and for designs where the specific electrical characteristics and package footprint match established PCB layouts and firmware implementations.
Get a Quote
Contact our sales team to discuss availability, pricing, and lead times for the IS42S16400J-7TLI-TR. We can assist with technical specifications, alternative component recommendations, and volume pricing for your industrial memory requirements.
