9ZX21201
12-Output Differential Z-buffer for PCIe Gen2/3 and QPI
16
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Printed in USA
Revision History
Rev. Issuer Issue Date Description Page #
A RDW 9/13/2011
1. Updated electrical tables with char data
2. Fixed minor typographical errors
3. Moved to final
Various
B RDW 12/8/2011
1. Added B rev functionality description to Features, Benefits
2. Updated tDSPO_BYP parameter from +/-350ps to +/-250ps
3.Updated SMBus Byte 0 with B rev functionality
4. Updated ordering information to include B rev
1,7,11,15
C RDW 4/18/20112
1. Updated Power connections table to be consistent with 9ZXL1231.
2. Updated Rp value for 85 ohm differential Zo from 43.2ohms to 42.2 OR
43.2 ohms to be consistent with Intel recommendations.
2,9
D RDW 5/5/2014 1. Fixed error in feedback path on block diagram 1
E RDW 11/19/2015
1. Updated the DIF_IN Input clock specification to align with the PCIe SIG
specification.
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