Instruction/ maintenance manual of the product Z9973 Cypress
Go to page of 9
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 .
An important point after buying a device Cypress Z9973 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cypress Z9973 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cypress Z9973 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cypress Z9973 you will learn all the available features of the product, as well as information on its operation. The information that you get Cypress Z9973 will certainly help you make a decision on the purchase.
If you already are a holder of Cypress Z9973, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cypress Z9973.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress Z9973. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress Z9973 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
