IS42S16400J-5TL-TR
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 380 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 | 4.8 ns | Grade | Commercial | ||
| Clock Frequency | 200 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | 0°C ~ 70°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-5TL-TR - 64Mbit Synchronous DRAM
The IS42S16400J-5TL-TR is a 64-megabit synchronous DRAM from ISSI designed for embedded systems requiring reliable parallel memory access. Built with a 4M x 16 organization, this SDRAM operates at 200MHz clock frequency and delivers 4.8ns access time for responsive system performance. The device is optimized for applications requiring cost-effective volatile memory with standard 3.3V operation.
Key Features
- 64Mbit Memory Capacity - Organized as 4M x 16, providing sufficient storage for firmware, data buffers, and program execution in embedded systems.
- 200MHz Clock Operation - Supports clock frequencies up to 200MHz with 4.8ns access time, enabling fast data throughput for time-sensitive applications.
- Standard SDRAM Technology - Synchronous operation simplifies interface design and integrates easily with microcontrollers, processors, and FPGAs supporting parallel memory interfaces.
- 3.3V Single Supply - Operates from 3V to 3.6V, compatible with standard 3.3V logic levels commonly used in embedded designs.
- 54-TSOP II Package - Industry-standard 0.400" (10.16mm) width TSOP package facilitates PCB layout and fits compact form factors.
- 0°C to 70°C Operating Range - Commercial temperature range suits office, consumer, and indoor industrial environments.
Typical Applications
- Networking Equipment - This SDRAM serves as packet buffer memory in switches and routers where the 200MHz clock rate supports wire-speed packet processing and the parallel interface integrates with network processors.
- Consumer Electronics - The device provides program and data memory for set-top boxes, digital TVs, and media players where cost-effective 64Mbit capacity meets application requirements without oversizing the memory subsystem.
- Office Automation - In printers, scanners, and multifunctional peripherals, this SDRAM buffers image data and firmware, with the 4.8ns access time supporting real-time image processing.
- Test and Measurement Instruments - The parallel interface and synchronous operation make this memory suitable for data acquisition systems and benchtop instruments operating in controlled indoor environments.
- Embedded Computing Modules - Single-board computers and embedded modules leverage this SDRAM for main system memory in applications where the commercial temperature range is sufficient.
Unique Advantages
- Proven SDRAM Technology: Standard synchronous DRAM architecture ensures broad compatibility with legacy designs and widely-available controllers, reducing development risk.
- Right-Sized Capacity: 64Mbit density fills the gap between smaller SRAMs and larger DDR solutions, optimizing cost and power for applications that don't require hundreds of megabits.
- Simplified Power Design: Single 3.3V supply eliminates the need for multiple voltage rails, reducing BOM count and simplifying power distribution on the PCB.
- Fast Access Performance: 4.8ns access time minimizes wait states and supports higher system throughput compared to slower memory alternatives in the same density class.
- Industry-Standard Footprint: 54-TSOP II package is widely recognized and supported by PCB assembly houses, ensuring manufacturability and second-source options.
- ISSI Quality and Support: ISSI's focus on memory products provides specialized technical support and manufacturing consistency for memory-critical designs.
Why Choose IS42S16400J-5TL-TR?
The IS42S16400J-5TL-TR is positioned for cost-sensitive embedded designs requiring proven SDRAM technology with moderate density and performance. Its 64Mbit capacity, 200MHz operation, and commercial temperature range make it ideal for consumer products, office equipment, and indoor networking applications where extended temperature operation is not required. The standard parallel interface simplifies integration with existing processor and FPGA platforms.
For long-term designs, note that this product has an Obsolete lifecycle status. Engineers should contact ISSI or authorized distributors to verify availability, plan for last-time buys, or identify recommended replacement parts to ensure continuity of supply.
Get a Quote
Interested in the IS42S16400J-5TL-TR for your next design? Contact our sales team to discuss your project requirements, verify current availability given the obsolete status, request technical documentation, and receive a customized quote for your volume needs.
