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9ZXL1950BKLFT 数据表(PDF) 1 Page - Integrated Device Technology |
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9ZXL1950BKLFT 数据表(HTML) 1 Page - Integrated Device Technology |
1 / 18 page DATASHEET 9ZXL1950 REVISION E 11/20/15 1 ©2015 Integrated Device Technology, Inc. 19-output DB1900Z Low-Power Derivative w/85ohm Terminations 9ZXL1950 General Description The 9ZXL1950 is a DB1900Z derivative buffer utilizing Low-Power HCSL (LP-HCSL) outputs to increase edge rates on long traces, reduce board space, and reduce power consumption more than 50% from the original 9ZX21901.It is pin-compatible to the 9ZXL1930 and fully integrates the output terminations. It is suitable for PCI-Express Gen1/2/3 or QPI/UPI applications, and uses a fixed external feedback to maintain low drift for demanding QPI/UPI applications. Recommended Application Buffer for Romley, Grantley and Purley Servers Output Features 19 LP-HCSL output pairs w/integrated terminations (Zo = 85 Key Specifications • Cycle-to-cycle jitter: <50ps • Output-to-output skew: <50ps • Input-to-output delay variation: <50ps • Phase jitter: PCIe Gen3 <1ps rms • Phase jitter: QPI/UPI 9.6GB/s <0.2ps rms Features/Benefits • LP-HCSL outputs; up to 90% IO power reduction, better signal integrity over long traces • Direct connect to 85Ω transmission lines; eliminates 76 termination resistors, saves 130mm2 area • Pin compatible to the 9ZXL1930; easy upgrade to reduced board space • 72-pin VFQFPN package; smallest 19-output Z-buffer • Fixed feedback path; ~0ps input-to-output delay • 9 Selectable SMBus addresses; multiple devices can share same SMBus segment • Separate VDDIO for outputs; allows maximum power savings • PLL or bypass mode; PLL can dejitter incoming clock • 100MHz & 133.33MHz PLL mode; legacy QPI support • Selectable PLL BW; minimizes jitter peaking in downstream PLL's • Spread spectrum compatible; tracks spreading input clock for EMI reduction • SMBus Interface; unused outputs can be disabled Block Diagram Logic DIF(18:0) HIBW_BYPM_LOBW# SMBDAT SMBCLK CKPWRGD/PD# SMB_A0_tri SMB_A1_tri 100M_133M# Z-PLL (SS Compatible) FBOUT_NC DIF_IN DIF_IN# |
类似零件编号 - 9ZXL1950BKLFT |
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类似说明 - 9ZXL1950BKLFT |
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