IS42S16160B-6TL-TR

IC DRAM 256MBIT PAR 54TSOP II
Part Description

IC DRAM 256MBIT PAR 54TSOP II

Quantity 678 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerIntegrated Silicon Solution Inc
Manufacturing StatusObsolete
Manufacturer Standard Lead TimeRFQ
Datasheet

Specifications & Environmental

Device Package54-TSOP IIMemory FormatDRAMTechnologySDRAM
Memory Size256 MbitAccess Time5.4 nsGradeCommercial
Clock Frequency166 MHzVoltage3V ~ 3.6VMemory TypeVolatile
Operating Temperature0°C ~ 70°C (TA)Write Cycle Time Word PageN/APackaging54-TSOP (0.400", 10.16mm Width)
Mounting MethodVolatileMemory InterfaceParallelMemory Organization16M x 16
Moisture Sensitivity Level3 (168 Hours)RoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unaffected
QualificationN/AECCNEAR99HTS Code8542.32.0024

Overview of IS42S16160B-6TL-TR - 256Mbit Parallel SDRAM Memory

The IS42S16160B-6TL-TR is a high-performance 256-megabit synchronous DRAM organized as 16M x 16, designed for embedded systems and consumer electronics requiring fast, volatile memory storage. With a 166MHz clock frequency and 5.4ns access time, this SDRAM delivers reliable parallel interface performance for applications demanding efficient data buffering and processing.

Key Features

  • High Density Memory Architecture - 256Mbit capacity in 16M x 16 organization provides flexible memory addressing for diverse embedded applications.
  • Fast Access Performance - 5.4ns access time and 166MHz clock frequency enable responsive data handling for time-sensitive operations.
  • Standard SDRAM Technology - Industry-standard volatile SDRAM interface simplifies integration with existing microcontrollers and processors.
  • Wide Operating Voltage Range - 3V to 3.6V supply voltage compatibility ensures flexible power design options.
  • Commercial Temperature Range - 0°C to 70°C operating range suits standard indoor and consumer electronics environments.
  • Industry-Standard Package - 54-TSOP II (10.16mm width) form factor provides proven PCB footprint compatibility.

Typical Applications

  • Consumer Electronics - This SDRAM serves as main system memory in set-top boxes, digital cameras, and multimedia devices where fast buffer memory enhances user experience and content processing.
  • Embedded Computing Systems - The parallel interface provides efficient data storage for microcontroller-based systems in commercial equipment, offering straightforward integration with standard memory controllers.
  • Networking Equipment - Commercial-grade routers and switches utilize this SDRAM for packet buffering and routing table storage where the 166MHz clock supports moderate throughput requirements.
  • Legacy System Maintenance - As an obsolete component, this part enables repair and long-term support of existing designs where direct replacement maintains system compatibility and reduces requalification costs.

Unique Advantages

  • Proven SDRAM Interface: Standard parallel SDRAM protocol eliminates the learning curve for engineers familiar with synchronous memory architectures.
  • Balanced Density and Speed: 256Mbit capacity combined with sub-6ns access time addresses mid-range performance requirements without oversizing memory subsystems.
  • Flexible Power Supply Range: 3V to 3.6V tolerance accommodates both 3.3V and battery-powered designs with voltage variation.
  • Compact Surface Mount Package: 54-TSOP II footprint optimizes board space while maintaining hand-soldering reworkability for prototyping.
  • Cost-Effective Memory Solution: SDRAM technology provides economical volatile storage for applications not requiring DDR performance levels.

Why Choose IS42S16160B-6TL-TR?

This SDRAM is positioned for commercial embedded systems and consumer products requiring straightforward, reliable memory solutions with proven technology. Engineers designing legacy system replacements or maintaining existing product lines will find the standard SDRAM interface and TSOP II package simplify drop-in compatibility. Note that this component carries an obsolete lifecycle status, making it suitable primarily for service, repair, and end-of-life production support rather than new design starts.

For applications where long-term availability is critical, consult with the manufacturer regarding replacement roadmaps and migration paths to current-generation memory solutions.

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