IS42S16400D-7TL-TR
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 1,118 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 | Commercial | ||
| Clock Frequency | 143 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 IS42S16400D-7TL-TR - 64Mbit Synchronous DRAM
The IS42S16400D-7TL-TR is a 64-megabit synchronous dynamic RAM (SDRAM) organized as 4M x 16 bits, designed for applications requiring moderate-density memory with reliable parallel interface operation. This DRAM provides synchronous operation up to 143 MHz clock frequency with 5.4 ns access time, making it suitable for embedded systems, consumer electronics, and industrial equipment operating within standard commercial temperature ranges.
Built on proven SDRAM technology, this memory device offers straightforward integration into systems requiring parallel memory architectures. Operating from a single 3V to 3.6V supply, it simplifies power management while delivering consistent performance for data buffering, display controllers, and moderate-bandwidth computing applications.
Key Features
- Memory Architecture: 4M x 16 organization provides 64 megabits of volatile SDRAM storage, well-suited for applications requiring word-wide data access patterns and moderate memory density.
- Synchronous Operation: Clock frequency support up to 143 MHz enables predictable timing and simplified interface design with synchronous bus architectures common in embedded processors and controllers.
- Fast Access Performance: 5.4 ns access time supports responsive memory operations for real-time data processing and display refresh requirements in consumer and industrial equipment.
- Single Supply Operation: 3V to 3.6V voltage supply simplifies power distribution and reduces component count in 3.3V logic systems, lowering overall system complexity.
- Standard TSOP Packaging: 54-pin TSOP II package (0.400" width, 10.16mm) provides proven surface-mount reliability with established manufacturing processes and widespread placement equipment compatibility.
- Commercial Temperature Range: 0°C to 70°C (TA) operating temperature supports deployment in controlled environments such as consumer devices, office equipment, and indoor industrial applications.
Typical Applications
- Embedded Systems: This SDRAM serves as main system memory or frame buffer in microcontroller and processor-based designs where parallel memory interface provides straightforward integration and the 64Mbit capacity meets moderate storage requirements.
- Consumer Electronics: Set-top boxes, digital cameras, and home networking equipment use this DRAM for temporary data storage and buffering, where synchronous operation simplifies timing coordination with digital signal processors and application processors.
- Display Controllers: Graphic controllers and video processing systems leverage the 4M x 16 organization for frame buffer memory, where the word-wide access pattern aligns well with pixel data formats and the access time supports standard display refresh rates.
- Industrial Control Systems: Human-machine interfaces (HMIs) and programmable logic controllers (PLCs) operating in controlled indoor environments benefit from reliable parallel SDRAM for data logging, recipe storage, and operator screen buffers.
- Office Equipment: Printers, scanners, and multifunction peripherals utilize this DRAM for image buffering and print queue management, where the moderate density and standard voltage operation fit well with office automation architectures.
Unique Advantages
- Simplified Board Design: Single 3.3V supply and standard parallel interface reduce power management complexity and simplify PCB routing compared to multi-voltage or high-speed serial memory architectures.
- Predictable Timing Coordination: Synchronous SDRAM operation eliminates asynchronous timing uncertainties, simplifying firmware development and reducing signal integrity concerns in moderate-speed embedded designs.
- Established Supply Chain: Standard TSOP II packaging ensures broad second-source availability and mature manufacturing infrastructure, supporting long-term procurement strategies for equipment manufacturers.
- Cost-Effective Density: 64Mbit capacity provides adequate memory for moderate-complexity applications without over-provisioning, optimizing bill-of-materials costs in price-sensitive consumer and industrial products.
- Proven Technology Platform: SDRAM architecture represents mature, well-understood technology with extensive design resources and tools, reducing development risk and accelerating time-to-market for new product designs.
- Straightforward Migration Path: Standard JEDEC-compliant SDRAM pinout and timing specifications enable designers to migrate between vendors or upgrade to higher-density devices with minimal hardware changes.
Why Choose IS42S16400D-7TL-TR?
The IS42S16400D-7TL-TR delivers reliable synchronous DRAM performance for embedded systems, consumer electronics, and industrial applications where parallel memory architecture provides design simplicity and proven interoperability. Its 64Mbit capacity and 4M x 16 organization align well with moderate-density requirements in display systems, embedded controllers, and data buffering applications operating within commercial temperature environments.
For designs prioritizing straightforward integration, single-supply operation, and established memory technology with broad industry support, this SDRAM offers a practical solution backed by standard packaging and synchronous interface conventions that reduce development complexity and procurement risk.
Get Started
Contact our sales team to request detailed specifications, pricing information, or technical support for integrating the IS42S16400D-7TL-TR into your next design. Our application engineers are ready to assist with memory selection, board layout guidance, and sourcing recommendations.