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IS43DR81280B - 1Gb DDR2 SDRAM

Download the IS43DR81280B datasheet PDF. This datasheet also covers the IS46DR81280B variant, as both devices belong to the same 1gb ddr2 sdram family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (IS46DR81280B-ISSI.pdf) that lists specifications for multiple related part numbers.

General Description

DDR2 SDRAM (128Mx8) TW-BGA Ball-out (Top-View) (8.00mm x 10.50mm) Symbol CK, CK# CKE CS# RAS#,CAS#,WE# A[13:0] BA[2:0] DQ[7:0] DQS, DQS# RDQS, RDQS# DM VDD VSS VDDQ VSSQ VREF VDDL VSSDL ODT NC Description Input clocks Clock enable Chip Select Command control pins Address Bank Address I/O Data Stro

Overview

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

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
IS43DR81280C DDR2 DRAM
IS43DR81280D 128Mx8 DDR2 DRAM
IS43DR81280DL 128Mx8 DDR2 DRAM
IS43DR82560C DDR2 DRAM
IS43DR83200B DDR2 DRAM
IS43DR86400B 512Mb DDR2 SDRAM
IS43DR86400D DDR2 DRAM
IS43DR86400E DDR2 DRAM
IS43DR16128C DDR2 DRAM
IS43DR16160B DDR2 DRAM