5962-9311201MXA Cypress Semiconductor Corporation., 5962-9311201MXA Datasheet
5962-9311201MXA
Available stocks
Related parts for 5962-9311201MXA
5962-9311201MXA Summary of contents
Page 1
Features • All output pair skew <100 ps typical (250 max.) • 3.75- to 80-MHz output operation • User-selectable output functions — Selectable skew — Inverted and non-inverted 1 1 — Operation at and input frequency 2 ...
Page 2
Pin Definitions Signal Name I/O REF I Reference frequency input. This input supplies the frequency and timing against which all functional variation is measured PLL feedback input (typically connected to one of the eight outputs Three-level ...
Page 3
FBInput REFInput 1Fx 3Fx 2Fx 4Fx (N/A) LM – – (N/A) – – (N/A) – (N/A) + ...
Page 4
Electrical Characteristics Over the Operating Range Parameter Description V Output HIGH Voltage OH V Output LOW Voltage OL V Input HIGH Voltage IH (REF and FB inputs only) V Input LOW Voltage IL (REF and FB inputs only) V Three-Level ...
Page 5
Capacitance Parameter Description C Input Capacitance IN Note: 12. Applies to REF and FB inputs only. Tested initially and after any design or process changes that may affect these parameters. AC Test Loads and Waveforms 5V R1=130 R1 R2=91 ...
Page 6
Switching Characteristics Over the Operating Range Parameter Description f Operating Clock NOM Frequency in MHz t REF Pulse Width HIGH RPWH t REF Pulse Width LOW RPWL t Programmable Skew Unit U t Zero Output Matched-Pair Skew SKEWPR [16, 17] ...
Page 7
Switching Characteristics Over the Operating Range Parameter Description f Operating Clock NOM Frequency in MHz t REF Pulse Width HIGH RPWH t REF Pulse Width LOW RPWL t Programmable Skew Unit U t Zero Output Matched-Pair Skew SKEWPR [16, 17] ...
Page 8
Switching Characteristics Over the Operating Range Parameter Description f Operating Clock NOM Frequency in MHz t REF Pulse Width HIGH RPWH t REF Pulse Width LOW RPWL t Programmable Skew Unit U t Zero Output Matched-Pair Skew SKEWPR [16, 17] ...
Page 9
AC Timing Diagrams t REF t RPWH REF SKEWPR, t SKEW0,1 OTHER Q INVERTED Q t SKEW3,4 REF DIVIDED SKEW1,3, 4 REF DIVIDED BY 4 Document #: 38-07138 Rev RPWL ...
Page 10
Operational Mode Descriptions FB SYSTEM REF CLOCK FS 4F0 4F1 3F0 3F1 2F0 2F1 1F0 1F1 TEST Figure 2. Zero-Skew and/or Zero-Delay Clock Driver Figure 2 shows the PSCB configured as a zero-skew clock buffer. In this mode the 7B991/992 ...
Page 11
MID, and 3F1 = High. (Since FB aligns at –4 t skews total of +10 t skew is realized.) Many other con figurations can be realized by skewing both the output ...
Page 12
FB 20–MHz REF DISTRIBUTION FS CLOCK 4F0 4F1 3F0 3F1 2F0 2F1 1F0 1F1 TEST FB SYSTEM REF CLOCK FS 4F0 4F1 3F0 3F1 2F0 2F1 1F0 1F1 TEST Figure 8 shows the CY7B991/992 connected in series to con- struct ...
Page 13
Ordering Information Accuracy (ps) Ordering Code 250 CY7B991–2JC 500 CY7B991–5JC CY7B991–5JI 750 CY7B991–7JC CY7B991–7JI CY7B991–7LMB 250 CY7B992–2JC 500 CY7B992–5JC CY7B992–5JI 750 CY7B992–7JC CY7B992–7JI CY7B992–7LMB MILITARY SPECIFICATIONS Group A Subgroup Testing DC Characteristics Parameter Subgroups ...
Page 14
Package Diagrams 32-Pin Rectangular Leadless Chip Carrier Document #: 38-07138 Rev. ** © Cypress Semiconductor Corporation, 2001. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other ...
Page 15
Document Title: CY7B991/CY7B992 Programmable Skew Clock Buffer (PSCB) Document Number: 38-07138 Issue REV. ECN NO. Date ** 110247 12/19/01 Document #: 38-07138 Rev. ** Orig. of Change SZV Change from Spec number: 38-00513 to 38-07138 CY7B991 CY7B992 Description of Change ...