Instruction/ maintenance manual of the product Z9973 Cypress Semiconductor
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3.3V , 125-MHz, Mul ti-Outp ut Zero Delay Bu f fer Z9973 Cypress Semicondu ctor Corporatio n • 3 901 North First S treet • San Jose • CA 95134 • 408-943 -2600 Document #: 38-07 089 Rev .
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 2 of 9 Pin Descripti on [2] Pin Number Pin Name PWR I/O T ype Pin Descriptio n 1 1 PECL_CLK I PU PECL Clock Input . 12 PECL_CLK# I PD PECL Clock Input . 9T C L K 0 I P U External Referenc e/T est Clock Input .
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 3 of 9 Functional Description The Z997 3 has an integrat ed PLL tha t provid es low -skew and low-jitter c lock outp uts for high-perfo rmance microp rocessors.
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 4 of 9 SYNC QC QA SYNC QC QA SYNC QA QC SYNC QC QA SYNC QA QC SYNC QC QA SYNC QC QA VCO 1:1 Mode 2:1 Mode 3:1 Mode 3:2 Mode 4:1 Mode 4:3 Mode 6:1 Mode Figure 1.
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 5 of 9 Power Management The in dividual output enable /freeze con trol of th e Z99 73 allow s the user t o im plemen t uni que po wer m anage ment schem es into the des ign. The output s ar e stoppe d in the logi c “ 0 ” sta te when the fre eze con trol bit s are activ ate d.
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 6 of 9 Maximum Ratings [3] Maximum Input V oltag e Relative to V SS : ............ V SS – 0. 3V Maximum Input V oltag e Relative to V DD : .......... ... V DD + 0.3V S to rage T emperature: ..............
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 7 of 9 Notes: 7. 50 Ω transmission line terminated int o VDD/2. 8. Tpd i s specified for a 50- MHz inpu t referen ce. Tpd do es not i nclude jitt er . 9. The V CMR is the difference fro m the most positive s ide of the d ifferential in put signa l.
Z99 73 Docum ent #: 38 -07089 R ev . *D Page 8 of 9 © Cypress Semico nductor Corp oration, 2002. The information co ntained herein i s subject to change w ithout notice . Cypress Semico nductor C orporation assum es no responsibil ity for the use of any ci rcuitry other th an circuitry embod ied in a Cypr ess Semiconductor pr oduct.
Z99 73 Docum ent #: 38 -07089 Re v . *D Page 9 of 9 Documen t Title: Z 9973 3 .3V , 125 MH z Multi-Outp ut Zero Dela y Buffer Documen t Number : 38-07089 Rev .
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