GSI Technology

Low-Latency DRAMs

GSI Technology’s LLDRAMs allow access rates that were formerly found in SRAMs only

Image of GSI Technology Low-Latency DRAMsThe GSI Technology low-latency DRAMs (LLDRAMs) are high-speed memory devices designed for high-address rate data processing typically found in networking and telecommunications applications. The 8-bank architecture and low tRC allow access rates formerly only found in SRAMs.

Features
  • Pin- and function-compatible with Micron RLDRAM® II
  • 533 MHz DDR operation (1.067 Gbps/pin data rate)
  • 38.4 Gbps peak bandwidth (x36 at 533 MHz clock frequency)
  • x36, x18, and x9 organizations available
  • Eight internal banks for concurrent operation and maximum bandwidth
  • Reduced cycle time (15 ns at 533 MHz)
  • Address multiplexing (nonmultiplexed address option available)
  • SRAM-type interface
  • Programmable read latency (RL), row cycle time, and burst sequence length
  • Balanced read-and-write latencies to optimize data bus utilization
  • Data mask for write commands
  • Differential input clocks (CK, CK)
  • Differential input data clocks (DKx, DKx)
  • On-chip DLL generates CK edge-aligned data and output data clock signals
  • Data valid signal (QVLD)
  • 32 ms refresh (8 K refresh for each bank; 64 K refresh command must be issued in total each 32ms)
  • 144-ball μBGA package
  • HSTL I/O (1.5 V or 1.8 V nominal)
  • 25 Ω to 60 Ω matched impedance outputs
  • 2.5 V VEXT, 1.8 V VDD, 1.5 V or 1.8 V VDDQ I/O
  • On-die termination (ODT) RTT
  • Commercial and industrial temperature

Applications

  • Lookup tables
  • Queue buffering
  • Image processing

LLDRAM IC's

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 288MBIT PARALLEL 144UBGAGS4288C36GL-18IIC DRAM 288MBIT PARALLEL 144UBGA0 - ImmediateSee Page for PricingView Details
IC DRAM 576MBIT HSTL 144FBGAGS4576C18GM-18IIC DRAM 576MBIT HSTL 144FBGA0 - ImmediateSee Page for PricingView Details
IC DRAM 576MBIT HSTL 144FBGAGS4576C36GM-18IIC DRAM 576MBIT HSTL 144FBGA0 - ImmediateSee Page for PricingView Details
Published: 2020-10-23