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IS43QR16256B Datasheet 256Mb x 16 4Gb DDR4 SDRAM

Manufacturer: ISSI (now Infineon)

Download the IS43QR16256B datasheet PDF. This datasheet also includes the IS46QR85120B variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IS46QR85120B-ISSI.pdf) that lists specifications for multiple related part numbers.

Overview

IS43/46QR85120B IS43/46QR16256B ® Long-term Support World Class Quality 512Mbx8, 256Mbx16 4Gb DDR4 SDRAM MAY.

Key Features

  • Standard Voltage : VDD = VDDQ = 1.2V, VPP=2.5V.
  • High speed data transfer rates with system frequency up to 2666 Mbps.
  • Data Integrity - Auto Self Refresh (ASR) by DRAM built-in TS - Auto Refresh and Self Refresh Modes.
  • DRAM access bandwidth - Separated IO gating structures by Bank Groups - Self Refresh Abort - Fine Granularity Refresh.
  • Signal Synchronization - Write Leveling via MR settings - Read Leveling via MPR.
  • Reliability & Error Handlin.

More Datasheets from ISSI (now Infineon)

Part Number Description
IS43QR16256A 256Mbx16 4Gb DDR4 SDRAM
IS43QR16512A 8Gb DDR4 SDRAM
IS43QR81024A 8Gb DDR4 SDRAM
IS43QR85120A 4Gb DDR4 SDRAM
IS43QR85120B 512Mb x 8 4Gb DDR4 SDRAM
IS43QR8K02S2A 2G x 8 16Gb DDR4 SDRAM
IS43DR16128C DDR2 DRAM
IS43DR16160B DDR2 DRAM
IS43DR16320B 512Mb DDR2 SDRAM
IS43DR16320D DDR2 DRAM