Cypress Semiconductor Corp CY7B991-5JXIT
- Part Number:
- CY7B991-5JXIT
- Manufacturer:
- Cypress Semiconductor Corp
- Ventron No:
- 2975160-CY7B991-5JXIT
- Description:
- IC CLK BUFFER 8:8 80MHZ 32PLCC
- ECAD Model:
-
- Datasheet:
- CY7B991-5JXIT
Description
The CY7B991 and CY7B992 Programmable Skew Clock Buffers (PSCB) are multiple output clock drivers that provide userselectable control over system clock functions. They offer:
All output pair skew <100 ps typical (250 ps maximum)
3.75 MHz to 80 MHz output operation
Selectable output functions
Selectable skew to 18 ns
Inverted and noninverted
Operation at 12 and 14 input frequency
Operation at 2x and 4x input frequency (input as low as 3.75 MHz)
Zero input to output delay
50% duty cycle outputs
Outputs drive 500 terminated lines
Low operating current
32pin PLCC/LCC package
Jitter <200 ps peaktopeak (<25 ps RMS)
Features
Programmable output skew
Selectable output functions (dividebytwo, dividebyfour)
Zero input to output delay
Low operating current
32pin PLCC/LCC package
Applications
Highperformance computer systems
Clock distribution
Skew compensation
Timing optimization
The CY7B991 and CY7B992 Programmable Skew Clock Buffers (PSCB) are multiple output clock drivers that provide userselectable control over system clock functions. They offer:
All output pair skew <100 ps typical (250 ps maximum)
3.75 MHz to 80 MHz output operation
Selectable output functions
Selectable skew to 18 ns
Inverted and noninverted
Operation at 12 and 14 input frequency
Operation at 2x and 4x input frequency (input as low as 3.75 MHz)
Zero input to output delay
50% duty cycle outputs
Outputs drive 500 terminated lines
Low operating current
32pin PLCC/LCC package
Jitter <200 ps peaktopeak (<25 ps RMS)
Features
Programmable output skew
Selectable output functions (dividebytwo, dividebyfour)
Zero input to output delay
Low operating current
32pin PLCC/LCC package
Applications
Highperformance computer systems
Clock distribution
Skew compensation
Timing optimization
Cypress Semiconductor Corp CY7B991-5JXIT technical specifications, attributes, parameters and parts with similar specifications to Cypress Semiconductor Corp CY7B991-5JXIT.
- Contact PlatingTin
- Mounting TypeSurface Mount
- Package / Case32-LCC (J-Lead)
- Surface MountYES
- Number of Pins32
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Published2007
- SeriesRoboClock™
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Number of Terminations32
- ECCN CodeEAR99
- SubcategoryClock Drivers
- TechnologyBICMOS
- Voltage - Supply4.5V~5.5V
- Terminal PositionQUAD
- Terminal FormJ BEND
- Peak Reflow Temperature (Cel)260
- Number of Functions4
- Supply Voltage5V
- Reflow Temperature-Max (s)30
- Base Part NumberCY7B991
- OutputTTL
- Pin Count32
- Number of Outputs8
- Qualification StatusNot Qualified
- Operating Supply Voltage5V
- Power Supplies5V
- Number of Circuits1
- Nominal Supply Current90mA
- Power Dissipation78mW
- Frequency (Max)80MHz
- Family7B
- Input3-State, TTL
- Ratio - Input:Output8:8
- Max I(ol)0.046 A
- Differential - Input:OutputYes/Yes
- Propagation Delay (tpd)0.5 ns
- Duty Cycle50 %
- Height Seated (Max)3.556mm
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
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