IS42S32800J-7BL
| Part Description |
IC DRAM 256MBIT PAR 90TFBGA |
|---|---|
| Quantity | 1,469 Available (as of May 6, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Integrated Silicon Solution Inc |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 8 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 90-TFBGA (8x13) | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 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 | 90-TFBGA | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 8M x 32 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of IS42S32800J-7BL - 256Mbit Parallel SDRAM
The IS42S32800J-7BL is a 256Mbit synchronous dynamic RAM (SDRAM) from ISSI, Integrated Silicon Solution Inc, organized as 8M x 32 words. This parallel interface memory device operates at clock frequencies up to 143MHz, making it suitable for embedded systems and industrial applications that require substantial data buffering and high-speed memory access. With an access time of 5.4ns and a 3V to 3.6V supply voltage range, this DRAM provides reliable performance for applications requiring cost-effective, high-density volatile memory.
Packaged in a compact 90-pin TFBGA (8x13mm), the IS42S32800J-7BL delivers 32MB of memory capacity in a space-efficient footprint, ideal for designs where board real estate is at a premium.
Key Features
- Memory Architecture - 256Mbit capacity organized as 8 million words by 32 bits, providing flexible data width for 32-bit processors and controllers.
- High-Speed Operation - Supports clock frequencies up to 143MHz with 5.4ns access time, enabling rapid read and write operations for data-intensive applications.
- Power Supply - Operates from 3V to 3.6V, compatible with standard 3.3V logic systems and reducing power consumption compared to 5V alternatives.
- Parallel Interface - Direct memory access through parallel data lines simplifies integration with embedded processors and microcontrollers.
- Compact Package - 90-pin TFBGA measuring 8x13mm minimizes PCB footprint while maintaining robust thermal and electrical performance.
- Operating Temperature Range - Rated for 0°C to 70°C ambient temperature, suitable for commercial and indoor industrial environments.
Typical Applications
- Embedded Computing Systems - The IS42S32800J-7BL serves as main or auxiliary memory in embedded controllers and SBCs, where its 32-bit wide organization matches processor architectures and enables efficient program execution and data manipulation.
- Industrial Controllers - This SDRAM provides reliable data buffering for PLCs and motion controllers operating in standard industrial environments, with sufficient speed for real-time control applications and adequate temperature tolerance for indoor installations.
- Networking Equipment - In routers, switches, and communication modules, this memory supports packet buffering and routing table storage, leveraging its parallel interface for fast data throughput in mid-range networking products.
- Test and Measurement Instruments - The device enables high-speed data acquisition and signal processing in oscilloscopes, analyzers, and automated test equipment where rapid memory access supports real-time waveform capture and analysis.
- Consumer Electronics - Set-top boxes, digital displays, and multimedia devices benefit from the cost-effective memory expansion this DRAM provides, supporting frame buffering and temporary data storage in commercial temperature applications.
Unique Advantages
- Cost-Effective Memory Expansion: SDRAM technology delivers high density at lower cost per bit compared to static RAM, reducing overall system BOM for memory-intensive designs.
- Simplified 32-bit Integration: The 8M x 32 organization eliminates the need for parallel memory banks in 32-bit systems, reducing trace routing complexity and board layers.
- Proven SDRAM Technology: Mature synchronous DRAM architecture ensures predictable performance characteristics and broad ecosystem support for design tools and reference implementations.
- Standard Voltage Operation: 3.3V nominal supply simplifies power distribution and enables direct connection to standard logic families without level translation.
- Space-Efficient Footprint: The 90-TFBGA package provides 256Mbit capacity in just 104 square millimeters, enabling compact product designs without sacrificing memory capacity.
- Active Production Status: Current lifecycle status ensures ongoing availability and manufacturing support for new designs and long-term production requirements.
Why Choose IS42S32800J-7BL?
The IS42S32800J-7BL is positioned for commercial and indoor industrial applications where cost-effective, high-density volatile memory is required. Engineers designing embedded systems with 32-bit processors will find the matched data width and parallel interface simplify integration while the compact TFBGA package supports miniaturized product designs. The 143MHz clock frequency provides ample performance headroom for most control, buffering, and processing tasks in commercial temperature environments.
For designs requiring reliable memory with proven technology, straightforward interfacing, and active manufacturing support, the IS42S32800J-7BL delivers practical value. ISSI's focus on memory solutions ensures consistent quality and technical support throughout your product lifecycle.
Get Started
Contact our sales team to request a quote for the IS42S32800J-7BL or to discuss your memory requirements. Our technical specialists can assist with device selection, integration guidance, and volume pricing for your production needs.
