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    DDR4/ DDR3 Combo PHY IP

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    The DDR4/3 PHY is compatible with JEDEC DDR3 and JEDEC DDR4 SDRAMs, supports a range of DDR3 DRAM speeds from 666Mbps to 2133Mbps and DDR4 DRAM speeds from 1866Mbps to 2400Mbps, and target support x16 DDR3/DDR4 SDRAM components, the design include an analog hard macro (CLK/CMD/ADDR/DQ/DQS) and a synthesizable digital design. It supports software auto training includes read gate, read/write data eye timing, and PHY Vref settings. Supports DDR4/DDR3 SDRAM.

    Optimized for high performance, low latency, low area, low power, and ease of integration, the DDR4/3 PHY is provided as a hard DDR PHY that is primarily delivered as GDSII including integrated application-specific DDR4/3 I/Os. Supporting the GDSII-based PHY is the RTL-based PHY. The DDR4/3 PHY includes a DFI 4.0 interface to the memory controller and can be combined with controllers for a complete DDR (Double Data Rate) interface solution.

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    • Supports DDR4/DDR3 SDRAM
    • DDR4 JEDEC standard 1.2v I/O (POD_12 I/O)
    • DDR3 JEDEC standard 1.5v I/O (SSTL_15-compatible)
    • 16 bits width, Single Channel DDR4/DDR3 SDRAM Interface.
    • 16 bits for per channel, could support 2 x8 bits DDR3
    • Memory Clock up to 600MHz, DFI Clock up to 600MHz.
    • Support DDR3 800/1066/1333/1600/1866/2133Mbps; DDR4 1866/2133/2400Mbps
    • Supports DFI like interface
    • 4-bit pre-fetch architecture
    • DLL Lock for 1200MHz
    • Supports SW DDR training
    • Supports DDR IO loopback test
    • Providing per bit de-skew function
    • Supports DDR3 DLL disable mode (CL6/CWL6)
    • Supports DDR3 CL=6 ~ CL17
    • Supports DDR3 CWL=6, CWL=11
    • Supports DDR3 Burst length 4/8
    • Supports DDR3 DQ write Mask Mode
    • Supports DDR3 Read, Write eye training
    • Supports DDR4 CL=9~ CL30, DDR4 CWL=9~CWL21
    • Supports DDR4 DLL disable mode, Read DBI Mode
    • Supports DDR4 DQ write Mask Mode
    • Supports DDR4 Connectivity Test Mode
    • Supports DDR4 Even parity check Mode
    • Supports DDR4 Read gated training
    • Supports DDR4 Read eye training, Write eye training
    • Supports DDR4 TX/RX Vref training
    • Supports DDR Retention mode
    • Supports DQ TX/RX per-bit deskew
    • Programmable On-die Termination on I/O
    • Programmable data-output drive strength I/O
    • DDR4/DDR3 impedance calibration
    • 0.9V Core Power supply
    • 1.2V DDR4 IO Power supply
    • 1.5V DDR3 IO Power supply
    • Support software DDR training
    • DDR3 training: support RX_GATED training, per-bit de-skew for RX/TXpath, DQ RX eye training and DQ TX eye training
    • Low Power
    • Low Area
    • Low Latency
    • JEDEC, the standards body responsible for memory standards has defined and developed DRAM categories such as DDR: DDR, DDR2/3/4 mobile DDR: LPDDR2/3/4 high bandwidth DRAM: HBM, HBM2/2E/3)
    • matching Controller in production
    • supports both 16bits and 32 bits
    • SSD Controller
    • Digital TV
    • Mobile
    • Multimedia
    • Setup Box
    • Data centers (networking and storage)
    • Servers
    • High-performance computing
    • IOT
    • Surveillance
    • User Manual
    • Behavior model, and protected RTL codes
    • Protected Post layout netlist and Standard
    • Delay Format (SDF)
    • Frame view (LEF)
    • Metal GDS (GDSII)
    • Test patterns and Test Documentation

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