IS42S16160B-6TLI-TR
| Part Description |
IC DRAM 256MBIT PAR 54TSOP II |
|---|---|
| Quantity | 426 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 | 256 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 | 16M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of IS42S16160B-6TLI-TR - 256Mbit Parallel SDRAM Memory
The IS42S16160B-6TLI-TR is a 256-megabit synchronous dynamic random access memory (SDRAM) device organized as 16M x 16 bits. Built on proven SDRAM technology, this parallel interface memory component operates at 166MHz clock frequency with a 5.4ns access time, making it well-suited for embedded systems requiring reliable volatile storage. The device operates from a standard 3.0V to 3.6V power supply and provides extended temperature range operation from -40°C to 85°C.
Key Features
- Memory Configuration - 256Mbit density organized as 16M x 16-bit architecture provides flexible word-width access for 16-bit microprocessor and controller systems.
- Performance Specifications - 166MHz clock frequency with 5.4ns access time delivers responsive read and write operations for time-sensitive embedded applications.
- Power Supply - Single 3.0V to 3.6V supply voltage simplifies power distribution design and reduces component count in multi-voltage systems.
- Operating Temperature - Extended -40°C to 85°C temperature range ensures reliable operation in industrial and automotive cabin environments without additional thermal management.
- Package Format - 54-pin TSOP II package with 10.16mm width provides industry-standard footprint for straightforward PCB layout and assembly.
Typical Applications
- Industrial Controllers - This SDRAM provides working memory for programmable logic controllers and industrial PCs where the extended temperature tolerance supports operation in factory floor environments without climate control.
- Embedded Computing - The 16-bit parallel interface pairs naturally with embedded processors requiring local volatile memory for program execution and data buffering in set-top boxes, networking equipment, and automation systems.
- Data Acquisition Systems - The 256Mbit capacity offers sufficient buffer space for multi-channel data collection applications where streaming sensor data requires temporary storage before processing or transfer to non-volatile memory.
- Legacy System Maintenance - As replacement memory for existing designs, this component enables continued production and service support for established products with proven field performance.
Unique Advantages
- Parallel Interface Simplicity: Direct connection to processor data and address buses eliminates protocol overhead and interface complexity compared to serial memory alternatives.
- Extended Temperature Reliability: -40°C to 85°C operation without derating ensures consistent performance across industrial operating conditions and reduces system failure risk.
- Standard SDRAM Timing: Industry-standard synchronous operation integrates seamlessly with existing memory controller designs and requires minimal software adaptation.
- Proven Technology Foundation: Mature SDRAM architecture delivers predictable electrical characteristics and well-understood design-in procedures for risk-averse engineering teams.
- Single Supply Operation: 3.0V to 3.6V range accommodates both 3.3V legacy systems and battery-powered applications with simplified power management.
Why Choose IS42S16160B-6TLI-TR?
This parallel SDRAM component serves designs requiring dependable volatile memory with straightforward integration. The 16M x 16-bit organization matches common 16-bit processor architectures while the extended temperature rating supports deployment beyond consumer environments. For industrial equipment, embedded control systems, and data acquisition platforms, this memory provides the storage capacity and access speed necessary for buffering, program execution, and temporary data management.
Note that this component carries an obsolete lifecycle status. Engineers should evaluate this part for existing design maintenance and legacy system support while considering alternative solutions for new designs requiring long-term availability.
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