IS42S16800F-6TLI
| Part Description |
IC DRAM 128MBIT PAR 54TSOP II |
|---|---|
| Quantity | 173 Available (as of May 6, 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 | 128 Mbit | Access Time | 5.4 ns | Grade | Industrial | ||
| Clock Frequency | 166 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 | 8M 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 IS42S16800F-6TLI - 128Mbit Synchronous DRAM
The IS42S16800F-6TLI is a high-performance 128Mbit synchronous DRAM from ISSI, organized as 8M x 16 and operating at up to 166MHz. This SDRAM device is designed for applications requiring fast, reliable volatile memory with wide temperature range support, making it suitable for industrial and embedded systems that demand consistent operation across varying environmental conditions.
Key Features
- Memory Architecture - 128Mbit capacity organized as 8M x 16, providing flexible data width for 16-bit bus applications. The parallel interface enables straightforward integration with microcontrollers and processors requiring external memory expansion.
- Performance Specifications - 166MHz clock frequency with 5.4ns access time ensures rapid data retrieval for time-sensitive operations. The synchronous design simplifies timing requirements and enables burst mode transfers for improved throughput.
- Voltage Operation - Operates from 3V to 3.6V supply range, compatible with standard 3.3V logic systems commonly found in industrial equipment and embedded designs.
- Extended Temperature Range - Qualified for -40°C to 85°C operation, supporting deployment in industrial environments where ambient temperature varies significantly.
- Package Configuration - Available in 54-pin TSOP II package with 10.16mm width, a standard footprint that facilitates PCB layout and allows for multiple memory devices in space-constrained designs.
Typical Applications
- Industrial Control Systems - This SDRAM provides program execution memory and data buffering for PLCs and industrial controllers where the extended temperature range ensures reliable operation in factory floor environments subject to temperature fluctuations.
- Embedded Computing - Serves as main system memory for embedded processors in networking equipment, test instruments, and automation systems requiring fast synchronous memory with predictable timing characteristics.
- Data Acquisition Systems - Acts as buffer memory for high-speed data capture applications where the 166MHz operation enables rapid storage of sensor data or measurement results before transfer to non-volatile storage.
- Legacy System Support - Provides memory replacement or expansion options for existing designs using parallel SDRAM, enabling continued production or repair of established equipment where this memory interface remains the standard.
Unique Advantages
- Proven SDRAM Technology: Synchronous DRAM architecture offers well-understood timing characteristics and broad ecosystem support, simplifying firmware development and reducing integration risk compared to newer memory technologies.
- Industrial Temperature Tolerance: The -40°C to 85°C operating range eliminates the need for thermal management in many industrial installations, reducing system complexity and improving long-term reliability.
- Standard Parallel Interface: Direct connection to processor memory buses without protocol conversion reduces component count and simplifies board design compared to serial memory alternatives.
- Established Package Format: The 54-TSOP II package is a widely adopted standard with proven reliability in high-volume manufacturing, ensuring consistent assembly yields and compatibility with automated production equipment.
- Flexible Memory Organization: The 8M x 16 configuration aligns well with 16-bit processor architectures, enabling efficient memory access patterns without byte-swapping or complex address mapping.
Why Choose IS42S16800F-6TLI?
The IS42S16800F-6TLI delivers reliable synchronous DRAM performance for industrial and embedded applications where extended temperature operation and proven parallel memory technology are essential. Its 166MHz operation and 5.4ns access time provide sufficient speed for real-time control systems, data buffering, and program execution, while the industrial temperature rating supports deployment in challenging environments without additional thermal protection.
This device is particularly well-suited for maintaining legacy designs, supporting equipment with long production lifecycles, and applications where the simplicity and maturity of parallel SDRAM technology outweigh the higher densities of newer memory types. Engineers selecting this component gain access to ISSI's established manufacturing quality and a memory solution with predictable electrical and timing characteristics.
Get a Quote
Contact our sales team to request pricing and availability for the IS42S16800F-6TLI. We can provide technical support for integration, discuss volume pricing options, and help determine if this SDRAM meets your specific application requirements.