IS42S16400N-6TL

IC DRAM 64MBIT PAR 54TSOP II
Part Description

IC DRAM 64MBIT PAR 54TSOP II

Quantity 127 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerIntegrated Silicon Solution Inc
Manufacturing StatusActive
Manufacturer Standard Lead Time14 Weeks
Datasheet

Specifications & Environmental

Device Package54-TSOP IIMemory FormatDRAMTechnologySDRAM
Memory Size64 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 InterfaceLVTTLMemory Organization4M x 16
Moisture Sensitivity Level3 (168 Hours)RoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unaffected
QualificationN/AECCNEAR99HTS Code8542.32.0002

Overview of IS42S16400N-6TL - 64Mbit SDRAM with 166MHz Performance

The IS42S16400N-6TL is a 64-megabit synchronous dynamic random access memory (SDRAM) device organized as 4M x 16 bits. Built on proven SDRAM technology, this memory component operates at clock frequencies up to 166MHz with a 5.4ns access time, making it well-suited for embedded systems, consumer electronics, and industrial applications requiring reliable, cost-effective volatile memory. With a standard LVTTL interface and 3V to 3.6V supply voltage, the IS42S16400N-6TL integrates seamlessly into a wide range of digital systems.

Key Features

  • Memory Architecture - 64-megabit capacity organized as 4M words by 16 bits, providing flexible addressing for various system architectures and data bus widths.
  • High-Speed Operation - Supports clock frequencies up to 166MHz with 5.4ns access time, enabling fast read/write cycles for time-sensitive applications.
  • Standard Interface - LVTTL-compatible signals simplify integration with microcontrollers, processors, and FPGAs without level translation circuitry.
  • Power Supply - Operates from a single 3V to 3.6V supply, compatible with standard 3.3V system rails and reducing power distribution complexity.
  • Package Options - Available in a 54-pin TSOP II package with 10.16mm body width, offering a compact footprint for space-constrained designs.
  • Operating Temperature - Rated for 0°C to 70°C ambient temperature range, suitable for commercial and standard industrial environments.

Typical Applications

  • Embedded Computing Systems - This SDRAM serves as main system memory or buffer storage in embedded controllers and single-board computers where the 166MHz operation supports real-time processing requirements and the compact TSOP package conserves board space.
  • Consumer Electronics - The IS42S16400N-6TL provides working memory for set-top boxes, digital televisions, and home networking equipment where cost-effective volatile storage and compatibility with 3.3V logic families reduce overall system cost.
  • Industrial Control Systems - In PLCs, HMIs, and data acquisition systems operating within commercial temperature ranges, this SDRAM delivers dependable memory performance with straightforward LVTTL interfacing that simplifies design validation.
  • Networking Equipment - Routers, switches, and access points utilize this memory for packet buffering and routing table storage where the 4M x 16 organization aligns well with 16-bit data paths common in network processors.
  • Test and Measurement Instruments - Oscilloscopes, logic analyzers, and data recorders benefit from the fast access time and synchronous operation for capturing and processing high-speed signals with minimal latency.

Unique Advantages

  • Simplified System Integration: The LVTTL interface eliminates the need for voltage level translation circuits, reducing component count and board complexity.
  • Reduced Power Distribution Complexity: Single 3V to 3.6V supply operation works directly with standard 3.3V system rails without additional voltage regulators.
  • Proven SDRAM Technology: Mature synchronous DRAM architecture offers predictable timing characteristics and broad ecosystem support including reference designs and software drivers.
  • Cost-Effective Memory Solution: The 64-megabit density provides sufficient capacity for many embedded applications at a competitive price point compared to higher-density alternatives.
  • Compact Board Footprint: The 54-pin TSOP II package delivers high pin count connectivity in a space-efficient form factor, maximizing usable board area.
  • Active Lifecycle Status: Ongoing production availability supports both new designs and long-term product lifecycles without obsolescence concerns.

Why Choose the IS42S16400N-6TL?

The IS42S16400N-6TL represents a balanced solution for designers seeking reliable SDRAM performance without overprovisioning capacity or speed. Its 166MHz operation and 5.4ns access time meet the requirements of mainstream embedded applications, while the 4M x 16 organization aligns naturally with 16-bit data bus architectures. The device is particularly well-suited for commercial and light industrial environments where operating conditions fall within the 0°C to 70°C range.

For engineering teams working within established 3.3V system architectures, this SDRAM integrates without modification to existing power supplies or signal levels. The active lifecycle status from ISSI ensures availability for both prototyping and volume production, making the IS42S16400N-6TL a dependable choice for designs requiring multi-year support.

Get Started with IS42S16400N-6TL

Ready to integrate this SDRAM into your next design? Contact our technical sales team to discuss your memory requirements, request samples, or obtain pricing for your project volume. Our engineers can provide application support and reference designs to accelerate your development timeline.

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