Architecture and Key Features

Specifications

  • DFI 5.2/5.1, DDR5/4/3, LPDDR6/5x/5/4, DDR DIMMs(MRDIMM/RDIMM), HBM4/3/2/2e, GDDR6

DUT Types/Topology: Memory Controller and PHY

Key VIP Features

  • Bypass initialization
  • Active components: Controller, PHY, Passive Monitor
  • Built-in verification plan with coverage and protocol checks

Debug and Analysis

  • Verdi based protocol and performance analysis
  • Protocol and timing checks
  • Integrated coverage, verification plan, and analysis ports
  • Debug ports and trace files

Key Protocol Features

  • DFI Passive Monitor
    • Command/Control, Write/Read Data, Update, Status
    • PHY Master, Geardown/2N, MC-to-PHY messaging
    • Low Power, WCK control Interfaces
    • Supported Frequency Ratios: 1:1, 1:2, 1:4, 1:8
    • DFI programmable parameters
  • DFI Memory Controller
    • Built-in reference tests for reset, initialization, command, and sideband traffic
    • Flexible phase specification for command driving
    • Configurable timing parameters
    • Protocol support: DDR5-MRDIMM/5/4/3, LPDDR6/5x/4, HBM4/3/2e/2, GDDR6
  • DFI PHY
    • Models JEDEC initialization and PHY-initiated training
    • Power management and in-order command scheduling
    • tctrl_delay modeling
    • Protocol support: LPDDR5x, DDR-MRDIMM/5/4, HBM4/3
Verification IP for DFI