IS42S16400J-5TL
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 1,768 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 - 64Mbit Synchronous DRAM
The IS42S16400J-5TL is a high-performance 64-megabit synchronous DRAM from ISSI, Integrated Silicon Solution Inc. This parallel-interface memory IC features a 4M x 16 organization optimized for cost-effective memory solutions requiring moderate density and performance. Operating at up to 200MHz clock frequency with 4.8ns access time, this SDRAM delivers reliable data storage for embedded systems and consumer electronics applications.
Key Features
- Memory Architecture - 64-megabit capacity organized as 4M x 16, providing flexible addressing for systems requiring word-wide data access.
- Performance Specifications - 200MHz clock frequency with 4.8ns access time enables fast read/write operations for time-sensitive embedded applications.
- Power Supply - Standard 3V to 3.6V operating voltage simplifies integration into 3.3V logic systems and reduces overall power consumption.
- Operating Temperature - Commercial temperature range of 0°C to 70°C (TA) suits indoor and consumer electronics environments.
- Package Configuration - 54-pin TSOP II (10.16mm width) footprint offers moderate pin density in a proven surface-mount format.
Typical Applications
- Consumer Electronics - This SDRAM provides main memory or buffer storage for set-top boxes, digital televisions, and multimedia devices where moderate capacity and cost-efficiency are essential.
- Embedded Systems - The parallel interface and standard voltage operation make this memory suitable for microcontroller-based systems requiring external RAM expansion for program execution and data buffering.
- Networking Equipment - Used in routers, switches, and network appliances for packet buffering and lookup table storage where synchronous operation aligns with system timing requirements.
- Legacy System Maintenance - As an obsolete component, this SDRAM serves replacement and repair needs for existing designs where form-fit-function compatibility is required.
Unique Advantages
- Standard SDRAM Interface: Industry-standard synchronous DRAM protocol ensures broad compatibility with existing memory controllers and simplifies firmware development.
- 3.3V Operation: Single-supply voltage reduces power distribution complexity and aligns with legacy 3.3V system architectures.
- Proven 54-TSOP II Package: Widely-used surface-mount footprint enables straightforward PCB layout and supports automated assembly processes.
- Moderate Density: 64Mbit capacity offers sufficient memory for many embedded applications without over-provisioning, helping control bill-of-material costs.
Why Choose IS42S16400J-5TL?
The IS42S16400J-5TL represents a conventional SDRAM solution for designs requiring moderate memory density with parallel interface connectivity. Its commercial temperature rating and standard voltage operation make it appropriate for indoor electronics and consumer products. This component is now obsolete, meaning it is no longer in active production, but remains relevant for sustaining existing designs and supporting repair operations where drop-in replacement compatibility is essential.
For new designs, consider current-generation SDRAM alternatives that offer improved availability and long-term supply continuity.
Request a Quote
Contact our sales team to discuss availability, pricing, and alternatives for the IS42S16400J-5TL. Our technical specialists can help identify suitable replacements for new designs or assist with sourcing options for legacy system support.
