IS45S16320D-6CTLA1

IC DRAM 512MBIT PAR 54TSOP II
Part Description

IC DRAM 512MBIT PAR 54TSOP II

Quantity 310 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 Size512 MbitAccess Time5.4 nsGradeIndustrial
Clock Frequency166 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 Organization32M x 16
Moisture Sensitivity Level3 (168 Hours)RoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unaffected
QualificationN/AECCNEAR99HTS Code8542.32.0032

Overview of IS45S16320D-6CTLA1 – IC DRAM 512MBIT PAR 54TSOP II

The IS45S16320D-6CTLA1 is a 512 Mbit synchronous DRAM (SDRAM) organized as 32M × 16 with a parallel memory interface. It uses a pipeline architecture and fully synchronous timing referenced to the rising edge of the clock to enable high-speed data transfer.

Designed for applications requiring a 512 Mbit SDRAM with programmable burst control and internal bank management, this device delivers deterministic access characteristics and supports operation across an extended temperature range.

Key Features

  • Memory Organization and Capacity — 512 Mbit total capacity arranged as 32M × 16, providing a wide parallel data path for high-throughput systems.
  • Synchronous Pipeline Architecture — Fully synchronous operation with all signals referenced to the positive clock edge; internal bank structure hides row access/precharge to improve effective throughput.
  • Performance — Rated clock frequency for this device is 166 MHz with an access time from clock of 5.4 ns (CAS latency = 3 at -6 speed grade).
  • Programmable Burst and CAS — Supports programmable burst lengths (1, 2, 4, 8, full page) and selectable burst sequence (sequential/interleave); programmable CAS latency of 2 or 3 clocks.
  • Refresh and Power Management — Auto-Refresh and Self-Refresh supported with 8K refresh cycles per 64 ms for standard operation.
  • Interface and Signaling — Parallel memory interface with LVTTL-compatible signaling.
  • Voltage Range — Operational supply range of 3.0 V to 3.6 V.
  • Package — Supplied in a 54-pin TSOP-II package (0.400", 10.16 mm width) suitable for compact board-level designs.
  • Operating Temperature — Rated for operation from −40°C to +85°C (TA).

Typical Applications

  • System Memory Expansion — Use as a 512 Mbit SDRAM in systems requiring parallel DRAM memory for high-throughput data buffering and storage.
  • High-Speed Data Buffers — Suitable for applications that benefit from synchronous pipeline operation and internal bank management to improve sustained data transfer.
  • Industrial-Temperature Designs — Applicable in designs that require memory operation across −40°C to +85°C ambient temperatures.

Unique Advantages

  • Deterministic Synchronous Timing: Fully synchronous clock-referenced operation simplifies timing analysis and system integration.
  • Flexible Burst Control: Programmable burst lengths and sequence options allow tuning for sequential or random access patterns.
  • Internal Bank Architecture: Banked memory hides row access/precharge cycles to improve effective throughput for burst operations.
  • Compact TSOP-II Package: 54-pin TSOP-II footprint provides a space-efficient solution for board-level memory implementations.
  • Extended Temperature Range: Rated for −40°C to +85°C to support applications operating across a wide ambient temperature window.
  • Wide Supply Tolerance: Operates from 3.0 V to 3.6 V to accommodate common 3.3 V system power rails.

Why Choose IS45S16320D-6CTLA1?

The IS45S16320D-6CTLA1 combines 512 Mbit capacity with a 32M × 16 organization and a synchronous pipeline architecture to provide predictable, high-speed parallel DRAM performance. Its programmable burst modes, CAS options, and internal bank management make it suitable for designs that require configurable throughput and efficient burst handling.

With a 54-pin TSOP-II package, support for standard LVTTL signaling, a 3.0–3.6 V supply window, and operation from −40°C to +85°C, this device is aimed at engineers implementing compact, robust memory subsystems backed by Integrated Silicon Solution, Inc.'s product specification and documentation.

If you need pricing, availability or to request a quote for the IS45S16320D-6CTLA1, please contact sales to discuss lead times and ordering details.

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