LMKDB1104: Selection Assistance Consultation

Part Number: LMKDB1104

This is the request from customer. I'am not sure which one completely suit for the consultation. Could you please help me recommand one?

Item Description
Preferred Part Number & Manufacturer Comply with JESD82-531B specification
Device Function Clock driver; primary function is to buffer the clock between the Host Controller and DRAM
Supply Voltage (VDD) 1.1V
Input Frequency Range ≥ 4000 MHz
Input Channel 4 sets of differential clock inputs
Output Frequency Range ≥ 4000 MHz
Output Channel/Bank 4 sets of differential clock outputs
Jitter Meet JESD82-531B specification
Output-to-Output Skew Max: 20ps (PLL mode)
Programming Interface I2C (Max 1 MHz) + I3C Basic (Max 12.5 MHz)
Package Size 2.3mm * 5.8mm
Clock Source External differential clock
Additional Requirements AVL (Approved Vendor List) certification status
Item Description
Package Type ★ 35-ball FPBGA
Package Pitch Package pitch ≥ 0.4mm
Device Outline/Dimensions 2.3mm * 5.8mm
Land Pattern/Pad Size φ0.3mm
Device Tolerance N/A
Packaging Method Tape & Reel preferred; Tray is acceptable for large sizes; Vibration tray packaging is prohibited
Resistance to Solder Heat (RSH) 260±5°C, 10±1s / 3 times
Solderability(SD) 1. Precondition Condition C (8hrs)
2. Temperature and time:
SnPb: 235±5°C, 5±0.5s
Pb-free: 245±5°C, 5±0.5s

 

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    关于你的咨询,我们正在确认您的问题,感谢您的耐心等待。

  • Hi

    The requested device is a JESD82-531B-compliant DDR5CKD01 Client Clock Driver rather than a general-purpose or PCIe clock buffer.

    LMKDB1104 is not suitable because it is a 1.8-V/3.3-V PCIe LP-HCSL buffer and does not support the required 1.1-V DDR5 CKD interface, I2C/I3C sideband control, or 35-ball 2.3-mm × 5.8-mm package.

    At present, we could not identify a public TI device that fully meets these requirements.