CY7B991-5JC

Cypress Semiconductor Corp CY7B991-5JC

Part Number:
CY7B991-5JC
Manufacturer:
Cypress Semiconductor Corp
Ventron No:
2974096-CY7B991-5JC
Description:
IC CLK BUFFER 8:8 80MHZ 32PLCC
ECAD Model:
Datasheet:
CY7B991-5JC

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Comments
Overview
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
User 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 package
Jitter <200 ps peaktopeak (<25 ps RMS)

Features
Programmable skew to optimize system timing
Multiple output functions for flexibility
Low operating current for power efficiency
Compact 32pin PLCC package for space savings
Low jitter for precise clock distribution

Applications
Highperformance computer systems
Clock distribution networks
Timingcritical applications
Industrial control systems
Telecommunications equipment
Specifications
Cypress Semiconductor Corp CY7B991-5JC technical specifications, attributes, parameters and parts with similar specifications to Cypress Semiconductor Corp CY7B991-5JC.
  • Mount
    Surface Mount
  • Mounting Type
    Surface Mount
  • Package / Case
    32-LCC (J-Lead)
  • Number of Pins
    32
  • Operating Temperature
    0°C~70°C
  • Packaging
    Tube
  • Published
    2001
  • Series
    RoboClock™
  • JESD-609 Code
    e0
  • Pbfree Code
    no
  • Part Status
    Obsolete
  • Moisture Sensitivity Level (MSL)
    3 (168 Hours)
  • Number of Terminations
    32
  • Terminal Finish
    Tin/Lead (Sn/Pb)
  • Subcategory
    Clock Drivers
  • Voltage - Supply
    4.5V~5.5V
  • Terminal Position
    QUAD
  • Terminal Form
    J BEND
  • Peak Reflow Temperature (Cel)
    225
  • Number of Functions
    4
  • Supply Voltage
    5V
  • Reach Compliance Code
    not_compliant
  • Frequency
    80MHz
  • Reflow Temperature-Max (s)
    30
  • Base Part Number
    CY7B991
  • Output
    TTL
  • Pin Count
    32
  • Number of Outputs
    8
  • Qualification Status
    Not Qualified
  • Operating Supply Voltage
    5V
  • Power Supplies
    5V
  • Number of Circuits
    1
  • Nominal Supply Current
    85mA
  • Family
    7B
  • Input
    3-State, TTL
  • Ratio - Input:Output
    8:8
  • Max I(ol)
    0.046 A
  • Differential - Input:Output
    Yes/Yes
  • Propagation Delay (tpd)
    0.5 ns
  • Height Seated (Max)
    3.556mm
  • RoHS Status
    Non-RoHS Compliant
  • Lead Free
    Contains Lead
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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