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IS43QR16256B Data Sheet

256Mb x 16 4Gb DDR4 SDRAM

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IS43QR16256B

IS43/46QR85120B IS43/46QR16256B ® Long-term Support World Class Quality 512Mbx8, 256Mbx16 4Gb DDR4 SDRAM JANUARY 2023 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 DRA.

IS43QR16256B

Download IS43QR16256B Datasheet

IS43/46QR85120B IS43/46QR16256B ® Long-term Support World Class Quality 512Mbx8, 256Mbx16 4Gb DDR4 SDRAM JANUARY 2023 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 Handling - Command/Address Parity - Data bus Write CRC - MPR readout - Boundary Scan (x16 only) • Speed Grade (CL-TRCD-TRP) - 2400Mbps / 16-16-16 (- 083R) - 2666Mbps/ 18-18-18 (-075U) • Signal Integrity - Internal VREFDQ Training - Read Preamble Training - Gear Down Mode -.




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