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831724 Datasheet(PDF) 1 Page - Integrated Device Technology |
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831724 Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 22 page  1 ©2016 Integrated Device Technology, Inc Revision B November 16, 2016 General Description The 831724 is a high-performance, differential HCSL clock/data multiplexer and fanout buffer. The device is designed for the multiplexing and fanout of high-frequency clock and data signals. The device has two differential, selectable clock/data inputs. The selected input signal is distributed to four low-skew differential HCSL outputs. Each input pair accepts HCSL, LVDS and LVPECL levels. The 831724 is characterized to operate from a 3.3V power supply. Guaranteed input, output-to-output and part-to-part skew characteristics make the 831724 ideal for those clock and data distribution applications demanding well-defined performance and repeatability. The 831724 supports the clock multiplexing and distribution of PCI Express Generation 1, 2, and 3 clock signals. Features • 2:1 differential clock/data multiplexer with fanout • Two selectable, differential inputs • Each differential input pair can accept the following levels: HCSL, LVDS, LVPECL. • Four differential HCSL outputs • Maximum input/output clock frequency: 350MHz • Maximum input/output data rate: 700Mb/s (NRZ) • LVCMOS interface levels for all control inputs • PCI Express Gen 1,2,3 jitter compliant • Input skew: 165ps (maximum) • Output skew: 175ps (maximum) • Part-to-part skew: 450ps (maximum) • Full 3.3V supply voltage • Available in lead-free (RoHS 6) package • -40°C to 85°C ambient operating temperature 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 VDD nOED CLK0 nCLK0 CLK1 nCLK1 nOEA VDD nc nOEC nc nc nc nc SEL nc Block Diagram QA nQA QB nQB QC nQC QD nQD IREF CLK0 nCLK0 CLK1 nCLK1 SEL Pulldown Pullup Pullup Pullup Pullup Pullup/down Pulldown Pullup/down Pulldown 0 1 Pin Assignment 831724I 32-Lead VFQFN 5mm x 5mm x 0.925mm package body K Package Top View 831724 Datasheet Differential Clock/Data Multiplexer |
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