Architecture and Key Features

Specifications: HBM4 (JESD270-4​ rev 1.0), HBM3 (JESD238 rev 2.1), HBM2e/2 (JESD235D rev 2.60)

Interfaces: JEDEC (Single channel, Multi channel)

DUT Types/Topology: Memory Controller and Memory Phy

Key VIP Features

  • Single/Multi channel HBM4/3/2E/2, DFI MC/PHY/Monitor component   
  • Specification linked Functional coverages and Verification Plan
  • Noise and Jitter modelling on the DQS/DQ bus
  • Analysis Port, Bypass/Skip Initialization
  • Static/dynamic timing and configuration settings
  • Callback Hooks for CMD and Data completion, Backdoor Access(Register and Data), Error Injection
  • Performance statistics

Debug and Analysis

  • Verdi protocol and performance analysis
  • Protocol and Timing Checks
  • Trace File: Command and Data
  • Debug Ports: Commands, Bank/Row/Column addresses, MR address/opcode, Main/Bank FSM state, RL, WL
  • Detailed Error Message : Ref specs section, Expected Vs Observed 

Key Protocol Features

  • HBM4
    • All data rates up to 8000 Mbps support for JEDEC , Data rates upto 14400Mbps for vendor datasheets
    • Density of (3Gb, 4Gb, 6Gb, 8Gb, 9Gb,12Gb and 16Gb per Pseudo channel) , Stack Id (4Hi, 8Hi,12Hi and 16Hi) , Bank Group (16 Bank Group with 64 Banks)
    • All Command(ACTIVATE, READ, WRITE, PRECHARGE/REFRESH/RFM/SREF/PDE/PDX)and Mode registers (RL, WL, PL, WPAR, Cattrip, Loopback)
    • Dual Clocking architecture with WDQS to CK ratio 4:1
    • IEEE 1500 mode support
    • HBM trainings (AWORD/DWORD MISR, WDQS2CK Alignment , DQS Oscillator, DQS Oscillator)
    • Configurable Multi Channel Support (upto 32 DRAM per channel)
    • On Die ECC, ECS, DCA, DCM, DBI, Parity, Refresh Management(DRFM), Self repair
  • HBM3
    • All data rates up to 8000 Mbps support for JEDEC , Data rates upto 9600Mbps for vendor datasheets
    • Density of (1Gb, 2Gb, 3Gb, 4Gb, 6Gb, 8Gb, 9Gb, 12Gb and16Gb per Pseudo channel) ,Stack Id (8Hi, 12Hi and 16Hi) ,Bank Group (16 Bank Group with 64 Banks)
    • All Command(ACTIVATE, READ, WRITE, PRECHARGE/REFRESH/RFM/SREF/PDE/PDX)and Mode registers (RL, WL, PL, RAS, RTP, RFM)
    • Dual Clocking architecture with WDQS to CK ratio 4:1
    • IEEE 1500 mode support
    • HBM trainings (AWORD/DWORD MISR, WDQS2CK Alignment , DQS Oscillator)
    • Configurable Multi Channel Support (upto 16 DRAM per channel)
    • On Die ECC, DCA, DCM, DBI, Parity, Refresh Management
  • HBM2E/2
    • All data rates(1.0 Gbps/pin to 3.6Gbps/pin) including vendor datasheets support
    • Memory Densities per channel(2Gb to 24Gb)
    • All Command(MRW/MRR, RD/WR, ACTIVE)and Mode registers (WL/RL, Preamble/Postamble)
    • ECC, Bank Grouping, DBI, Data Masking
    • IEEE 1500 mode support
    • Data Read/Write and command parity support
    • Configurable refresh rates, Temperature derating
    • HBM2E variant support with test mode and command sampling
Verification IP for HBM

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