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IS46DR16640B Datasheet 1gb Ddr2 Sdram

Manufacturer: ISSI (now Infineon)

Overview: IS43/46DR81280B(L), IS43/46DR16640B(L) 1Gb (x8, x16) DDR2 SDRAM MARCH.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Clock frequency up to 400MHz.
  • 8 internal banks for concurrent operation.
  • 4-bit prefetch architecture.
  • Programmable CAS Latency: 3, 4, 5, 6 and 7.
  • Programmable Additive Latency: 0, 1, 2, 3, 4, 5 and 6.
  • Write Latency = Read Latency-1.
  • Programmable Burst Sequence: Sequential or Interleave.
  • Programmable Burst Length: 4 and 8.
  • Automatic and Controlled Precharge Command.
  • Power Down Mode.
  • Auto Refresh and Self Refresh.
  • Refresh Interval: 7.8 .

More Datasheets from ISSI (now Infineon)

Part Number Description
IS46DR16640BL 1Gb DDR2 SDRAM
IS46DR16640C DDR2 DRAM
IS46DR16640D 64Mx16 DDR2 DRAM
IS46DR16640DL 64Mx16 DDR2 DRAM
IS46DR16128C DDR2 DRAM
IS46DR16160B DDR2 DRAM
IS46DR16320B 512Mb DDR2 SDRAM
IS46DR16320D DDR2 DRAM
IS46DR16320E DDR2 DRAM
IS46DR32160C 16Mx32 512Mb DDR2 DRAM

IS46DR16640B Distributor