IS42S16160J-7TLI

IC DRAM 256MBIT PAR 54TSOP II
Part Description

IC DRAM 256MBIT PAR 54TSOP II

Quantity 70 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerIntegrated Silicon Solution Inc
Manufacturing StatusActive
Manufacturer Standard Lead Time8 Weeks
Datasheet

Specifications & Environmental

Device Package54-TSOP IIMemory FormatDRAMTechnologySDRAM
Memory Size256 MbitAccess Time5.4 nsGradeIndustrial
Clock Frequency143 MHzVoltage3V ~ 3.6VMemory TypeVolatile
Operating Temperature-40°C ~ 85°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 ComplianceROHS CompliantREACH ComplianceREACH Unaffected
QualificationN/AECCNEAR99HTS Code8542.32.0024

Overview of IS42S16160J-7TLI - 256Mbit Synchronous DRAM

The IS42S16160J-7TLI is a 256-megabit Synchronous DRAM organized as 16 million words by 16 bits, designed for high-performance embedded systems requiring fast, cost-effective volatile memory. Built on proven SDRAM technology, this device operates at clock frequencies up to 143MHz with a 5.4ns access time, making it well-suited for applications demanding reliable parallel memory interfaces with moderate bandwidth requirements.

With an extended industrial temperature range of -40°C to 85°C and a standard 3.0V to 3.6V supply voltage, the IS42S16160J-7TLI provides consistent performance across demanding environmental conditions while maintaining low power consumption. The 54-TSOP II package offers a space-efficient footprint for cost-sensitive designs.

Key Features

  • Memory Architecture - 256Mbit capacity organized as 16M x 16, providing flexible data width options for systems requiring word-oriented memory access patterns.
  • Performance Specifications - 143MHz maximum clock frequency with 5.4ns access time enables responsive system operation for embedded controllers, communication equipment, and industrial processors.
  • Power Supply - Standard 3.0V to 3.6V operation simplifies integration with common 3.3V system architectures and reduces power supply complexity.
  • Temperature Range - Extended industrial grade -40°C to 85°C (TA) ensures reliable operation in harsh environments including factory automation, outdoor equipment, and automotive cabin electronics.
  • Package Type - Compact 54-TSOP II (10.16mm width) surface-mount package optimizes board space utilization while providing robust mechanical stability.
  • Interface - Synchronous parallel interface with industry-standard SDRAM protocol simplifies controller integration and reduces firmware development time.

Typical Applications

  • Industrial Automation - This SDRAM provides reliable memory for programmable logic controllers (PLCs), human-machine interfaces (HMIs), and motion control systems where extended temperature tolerance ensures consistent operation in factory floor environments and the parallel interface matches legacy controller architectures.
  • Embedded Computing Systems - Serves as main system memory for microprocessor and microcontroller platforms requiring moderate bandwidth volatile storage, with the 16-bit organization efficiently matching common 16-bit and 32-bit processor data buses.
  • Networking and Telecommunications Equipment - Functions as packet buffer memory and data cache in routers, switches, and communication modules where synchronous operation simplifies timing design and the industrial temperature range supports equipment deployed in uncontrolled environments.
  • Test and Measurement Instruments - Provides data acquisition buffering and waveform storage in oscilloscopes, logic analyzers, and automated test equipment where predictable SDRAM timing characteristics enable precise synchronization with measurement circuitry.
  • Medical Devices - Supports embedded controllers in diagnostic equipment and patient monitoring systems requiring reliable memory operation across variable ambient conditions with proven SDRAM technology minimizing qualification risks.

Unique Advantages

  • Proven SDRAM Technology: Reduces design risk and simplifies qualification by leveraging mature, well-documented memory architecture with extensive controller support across multiple processor families.
  • Extended Industrial Temperature Range: Eliminates need for thermal management systems in many applications, reducing BOM costs and improving long-term reliability in variable temperature environments.
  • Standard 3.3V Operation: Enables direct connection to common system power rails without level translation, simplifying power distribution design and reducing component count.
  • Cost-Effective Capacity: Delivers sufficient memory density for embedded applications at competitive pricing compared to higher-density or higher-speed alternatives that exceed actual system requirements.
  • Parallel Interface Compatibility: Matches legacy system architectures and simplifies migration from older DRAM technologies without requiring major controller redesign or firmware changes.
  • Space-Efficient Packaging: TSOP II surface-mount package provides high pin density in a standardized footprint compatible with automated assembly processes and established PCB design practices.

Why Choose IS42S16160J-7TLI?

The IS42S16160J-7TLI represents an optimal balance of performance, cost, and reliability for embedded systems requiring proven parallel SDRAM technology. Its extended industrial temperature range and standard voltage operation make it particularly valuable for designs destined for harsh environments where thermal extremes and power supply constraints challenge memory subsystem stability. Engineers designing industrial controllers, communication infrastructure, and instrumentation will appreciate the straightforward integration enabled by industry-standard SDRAM protocols.

For long-lifecycle products where component availability and stable pricing matter, the IS42S16160J-7TLI offers the predictability of mature SDRAM technology backed by ISSI's commitment to embedded memory markets. This device enables cost-conscious designs to meet performance requirements without overspecifying memory subsystems or incurring the complexity penalties of higher-performance alternatives.

Request a Quote

Contact our sales team to discuss your specific memory requirements, volume pricing, and delivery options for the IS42S16160J-7TLI. Our technical support engineers can assist with integration guidance, reference designs, and application-specific recommendations to optimize your embedded system's memory subsystem.

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