8535AGI-31LFT IDT, 8535AGI-31LFT Datasheet
8535AGI-31LFT
Specifications of 8535AGI-31LFT
Related parts for 8535AGI-31LFT
8535AGI-31LFT Summary of contents
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... D LE Pulldown CLK 0 XTAL_IN 1 OSC XTAL_OUT Pulldown CLK_SEL ICS8535AGI-31 REVISION A JANUARY 27, 2010 Features • Four differential 3.3V LVPECL outputs • Selectable LVCMOS/LVTTL CLK or crystal inputs • CLK can accept the following input levels: LVCMOS, LVTTL • Maximum output frequency: 266MHz • Output skew: 30ps (typical) • ...
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... Input Capacitance IN R Input Pullup Resistor PULLUP R Input Pulldown Resistor PULLDOWN ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER Type Description Negative supply pin. Synchronizing clock enable. When HIGH, clock outputs follows clock input. Input Pullup When LOW, Q outputs are forced low, nQ outputs are forced high. ...
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... CLK_EN nQ0:nQ3 Q0:Q3 Figure 1. CLK_EN Timing Diagram Table 3B. Clock Input Function Table Inputs Outputs CLK Q0:Q3 0 LOW 1 HIGH ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER Selected Source Q0:Q3 CLK0 Disabled; Low CLK1 Disabled; Low CLK0 Enabled CLK1 Enabled nQ0:nQ3 HIGH ...
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... IH V Input Low Voltage IL CLK, CLK_SEL I Input High Current IH CLK_EN CLK, CLK_SEL I Input Low Current IL CLK_EN ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER Rating 4.6V -0. 50mA 100mA 73.2°C/W (0 lfpm) -65°C to 150°C = 3.3V ± 5 -40°C to 85° ...
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... NOTE 4: Defined as skew between outputs on different devices operating at the same supply voltage and with equal load conditions. Using the same type of inputs on each device, the outputs are measured at the differential cross points. ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER = 3.3V ± ...
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... Often the noise floor of the equipment is higher than the noise floor of the device. This ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER ratio of the power in the 1Hz band to the power in the fundamental. ...
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... Core/3.3V Output Load AC Test Circuit nQx Qx nQy Qy tsk(o) Output Skew nQ0:nQ3 80% 20% Q0: Output Rise/Fall Time ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER , SCOPE CLK Qx nQ0:nQ3 Q0:Q3 nQx Propagation Delay nQ0:nQ3 Q0:Q3 Output Duty Cycle/Pulse Width/Period 80 ...
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... X1 18pF Parallel Crystal C2 22p Figure 2. Crystal Input Interface ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER Outputs: LVPECL Outputs All unused LVPECL outputs can be left floating. We recommend that there is no trace attached. Both sides of the differential output pair should either be left floating or terminated ...
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... Figure 4A. 3.3V LVPECL Output Termination ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER the transmission line impedance. In addition, matched termination at the crystal input will attenuate the signal in half. This can be done in one of two ways. First, R1 and R2 in parallel should equal the transmission line impedance. For most 50Ω ...
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... This calculation is only an example. Tj will obviously vary depending on the number of loaded outputs, supply voltage, air flow and the type of board (multi-layer). θ Table 7. Thermal Resistance JA Linear Feet per minute Multi-Layer PCB, JEDEC Standard Test Boards ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER = 3. 3.465V, which gives worst case results 3.465V * 65mA = 225.2mW EE_MAX ...
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... OH_MAX CC_MAX [(2V - 0.9V)/50Ω] * 0.9V = 19.8mW Pd_L = [(V – (V – 2V))/R OL_MAX CC_MAX [(2V – 1.7V)/50Ω] * 1.7V = 10.2mW Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER V OUT – 0.9V ...
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... Linear Feet per minute Multi-Layer PCB, JEDEC Standard Test Boards Transistor Count The transistor count for ICS8535I-31 is: 428 Package Outline and Package Dimensions Package Outline - G Suffix for 20 Lead TSSOP ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER θ by Velocity JA 0 200 73.2° ...
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... ICS8535AGI31 8535AGI-31LF ICS8535AI31L 8535AGI-31LFT ICS8535AI31L NOTE: Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use ...
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... LVCMOS to XTAL Interface - added new sentence to end of paragraph. Updated Header/Footer throughout the datasheet Characteristics Table heading - corrected temperature from “0 to 70°C” “-40 to 85°C” ICS8535AGI-31 REVISION A JANUARY 27, 2010 LOW SKEW, 1-TO-4, CRYSTAL OSCILLATOR/LVCMOS-TO-3.3V LVPECL FANOUT BUFFER 14 Date 8/16/07 7/29/09 7/30/09 1/27/10 © ...
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... IDT or any third parties. IDT’s products are not intended for use in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT ...