Alliance Memory, Inc.

High-Speed CMOS DDR2 SDRAMs

Alliance Memory’s AS4Cx CMOS DDR2 SDRAMs are excellent for products requiring high memory bandwidth

Image of Alliance Memory High-Speed CMOS DDR2 SDRAMsAlliance Memory's AS4C16M16D2, AS4C32M16D2, AS4C64M8D2, AS4C64M16D2, AS4C128M8D2, and AS4C128M16D2 high-speed CMOS double data rate 2 synchronous DRAMs (DDR2 SDRAM) feature densities of 256 MB, 512 MB, 1 GB, and 2 GB in 60-ball 8 mm x 10 mm x 1.2 mm and 84-ball 8 mm x 12.5 mm x 1.2 mm FBGA packages. Ideal for a range of products requiring high memory bandwidth, the devices provide reliable drop-in, pin-for-pin-compatible replacements for a number of similar solutions.

Features and Benefits
  • Offered in three temperature ranges:
    • Commercial (0°C to +85°C)
    • Industrial (-40°C to +95°C)
    • Automotive (-40°C to +105°C)
  • Features a synchronous interface
  • Programmable read or write burst lengths of 4 or 8
  • Auto pre-charge function provides a self-timed row pre-charge initiated at the end of the burst sequence
  • Operate from a single +1.8 V (±0.1 V) power supply
  • Lead (Pb)- and halogen-free
  • Internally configured as four banks of 8 M words x 16-bits (AS4C32M16D2), eight banks of 8 M x 16-bits (AS4C64M16D2), 16 M x 8-bits (AS4C128M8D2), and 16 M x 16-bits (AS4C128M16D2)
  • Easy-to-use refresh functions include auto- or self-refresh
  • Programmable mode register allows the system to choose the most suitable modes to maximize performance
  • Fast clock rate of 400 MHz
  • Data rate of 800 Mbps / pin
Applications
  • Automotive, industrial, consumer, and networking products

 

AS4C16M16D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 256MBIT PAR 84TFBGAAS4C16M16D2-25BCNIC DRAM 256MBIT PAR 84TFBGA209 - Immediate$3.41View Details
IC DRAM 256MBIT PAR 84TFBGAAS4C16M16D2-25BINIC DRAM 256MBIT PAR 84TFBGA0 - Immediate$3.96View Details

AS4C32M16D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 512MBIT PAR 84TFBGAAS4C32M16D2A-25BCNIC DRAM 512MBIT PAR 84TFBGA0 - Immediate$2.69View Details
IC DRAM 512MBIT PAR 84TFBGAAS4C32M16D2A-25BINIC DRAM 512MBIT PAR 84TFBGA7942 - Immediate$2.93View Details
IC DRAM 512MBIT PAR 84TFBGAAS4C32M16D2A-25BANIC DRAM 512MBIT PAR 84TFBGA98 - Immediate$4.51View Details

AS4C64M8D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 512MBIT PARALLEL 60FBGAAS4C64M8D2-25BCNIC DRAM 512MBIT PARALLEL 60FBGA264 - Immediate$4.41View Details
IC DRAM 512MBIT PARALLEL 60FBGAAS4C64M8D2-25BINIC DRAM 512MBIT PARALLEL 60FBGA4277 - Immediate$5.42View Details
IC DRAM 512MBIT PARALLEL 60FBGAAS4C64M8D2-25BANIC DRAM 512MBIT PARALLEL 60FBGA264 - Immediate$6.05View Details

AS4C64M16D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 1GBIT PARALLEL 84TFBGAAS4C64M16D2-25BCNIC DRAM 1GBIT PARALLEL 84TFBGA0 - ImmediateSee Page for PricingView Details
IC DRAM 1GBIT PARALLEL 84TFBGAAS4C64M16D2-25BINIC DRAM 1GBIT PARALLEL 84TFBGA0 - ImmediateSee Page for PricingView Details
IC DRAM 1GBIT PARALLEL 84FBGAAS4C64M16D2-25BANIC DRAM 1GBIT PARALLEL 84FBGA0 - ImmediateSee Page for PricingView Details

AS4C128M8D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 1GBIT PARALLEL 60FBGAAS4C128M8D2-25BINIC DRAM 1GBIT PARALLEL 60FBGA0 - ImmediateSee Page for PricingView Details
IC DRAM 1GBIT PARALLEL 60FBGAAS4C128M8D2-25BCNIC DRAM 1GBIT PARALLEL 60FBGA0 - ImmediateSee Page for PricingView Details

AS4C128M16D2 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC DRAM 2GBIT PARALLEL 84FBGAAS4C128M16D2A-25BCNIC DRAM 2GBIT PARALLEL 84FBGA128 - Immediate$11.89View Details
IC DRAM 2GBIT PARALLEL 84FBGAAS4C128M16D2A-25BINIC DRAM 2GBIT PARALLEL 84FBGA363 - Immediate$13.98View Details
IC DRAM 2GBIT PARALLEL 84FBGAAS4C128M16D2-25BCNIC DRAM 2GBIT PARALLEL 84FBGA0 - Immediate$13.20View Details
IC DRAM 2GBIT PARALLEL 84FBGAAS4C128M16D2-25BINIC DRAM 2GBIT PARALLEL 84FBGA2 - Immediate$15.29View Details
Published: 2016-02-24

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