PDF CY2CP1504 Data sheet ( Hoja de datos )

Número de pieza	CY2CP1504
Descripción	1:4 LVCMOS to LVPECL Fanout Buffer
Fabricantes	Cypress Semiconductor
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No Preview Available ! CY2CP1504 1:4 LVCMOS to LVPECL Fanout Buffer with Selectable Clock Input 1:4 LVCMOS to LVPECL Fanout Buffer with Selectable Clock Input Features ■ Select one of two low-voltage complementary metal oxide semiconductor (LVCMOS) inputs to distribute to four low-voltage positive emitter-coupled logic (LVPECL) output pairs ■ 30-ps maximum output-to-output skew ■ 480-ps maximum propagation delay ■ 0.15-ps maximum additive RMS phase jitter at 156.25 MHz (12-kHz to 20-MHz offset) ■ Up to 250 MHz operation ■ Synchronous clock enable function ■ 20-Pin thin shrunk small outline package (TSSOP) package ■ 2.5-V or 3.3-V operating voltage [1] ■ Commercial and industrial operating temperature range Functional Description The CY2CP1504 is an ultra-low noise, low-skew, low-propagation delay 1:4 LVCMOS to LVPECL fanout buffer targeted to meet the requirements of high-speed clock distribution applications. The CY2CP1504 can select between two separate LVCMOS input clocks using the IN_SEL pin. The synchronous clock enable function ensures glitch-free output transitions during enable and disable periods. The device has a fully differential internal architecture that is optimized to achieve low additive jitter and low skew at operating frequencies of up to 250 MHz. For a complete list of related documentation, click here. Logic Block Diagram Note 1. Input AC-coupling capacitors are required for voltage-translation applications. Cypress Semiconductor Corporation • 198 Champion Court Document Number: 001-56313 Rev. J • San Jose, CA 95134-1709 • 408-943-2600 Revised May 13, 2016 1 page CY2CP1504 DC Electrical Specifications (VDD = 3.3 V ± 5% or 2.5 V ± 5%; TA = 0 °C to 70 °C (Commercial) or –40 °C to 85 °C (Industrial)) Parameter IDD VIH1 VIL1 VIH2 VIL2 IIH IIL VOH VOL RP Description Operating supply current Input high voltage, All inputs Input low voltage, All inputs Input high voltage, All inputs Input low voltage, All inputs Input high current, All inputs Input low current, All inputs LVPECL output high voltage LVPECL output low voltage Internal pull-up/pull-down resistance Condition All LVPECL outputs floating (internal IDD) VDD = 3.3 V VDD = 3.3 V VDD = 2.5 V VDD = 2.5 V Input = VDD[3] Input = VSS[3] Terminated with 50  to VDD – 2.0 [4] Terminated with 50  to VDD – 2.0 [4] CLK_EN has pull-up only IN_SEL has pull-down only Min Max Unit – 61 mA 2.0 –0.3 VDD + 0.3 0.8 V V 1.7 –0.3 VDD + 0.3 0.7 V V – 150 A –150 – A VDD – 1.20 VDD – 0.70 VDD – 2.0 VDD – 1.63 60 165 V V k CIN Input capacitance Measured at 10 MHz; per pin – 3 pF Thermal Resistance Parameter [5] Description θJA Thermal resistance (junction to ambient) θJC Thermal resistance (junction to case) Test Conditions 20-pin TSSOP Unit Test conditions follow standard test methods and 80 °C/W procedures for measuring thermal impedance, in accordance with EIA/JESD51. 16 °C/W Notes 3. Positive current flows into the input pin, negative current flows out of the input pin. 4. Refer to Figure 2 on page 7. 5. These parameters are guaranteed by design and are not tested. Document Number: 001-56313 Rev. J Page 5 of 14 5 Page CY2CP1504 Acronyms Table 1. Acronyms Used in this Document Acronym Description ESD electrostatic discharge HBM human body model JEDEC joint electron devices engineering council LVDS low-voltage differential signal LVCMOS low-voltage complementary metal oxide semicon- ductor LVPECL low-voltage positive emitter-coupled logic LVTTL low-voltage transistor-transistor logic RMS root mean square TSSOP thin shrunk small outline package Document Conventions Units of Measure Table 2. Units of Measure Symbol Unit of Measure °C degree Celsius dBc decibels relative to the carrier GHz Hz gigahertz hertz k kilohm μA microampere μF microfarad μs microsecond mA milliampere ms millisecond mV millivolt MHz ns megahertz nanosecond  ohm pF picofarad ps picosecond V volt W watt Document Number: 001-56313 Rev. *J Page 11 of 14 11 Page

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Número de pieza	Descripción	Fabricantes
CY2CP1504	1:4 LVCMOS to LVPECL Fanout Buffer	Cypress Semiconductor

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