8538BG-31LF IDT, 8538BG-31LF Datasheet
8538BG-31LF
Specifications of 8538BG-31LF
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8538BG-31LF Summary of contents
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... XTAL_OUT nQ7 nQ0 CCO CCO nQ6 nQ1 nQ5 nQ2 CCO nQ4 nQ3 mm package body G Package Top View ICS8538BG-31 REV. B FEBRUARY 5, 2008 ...
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... Differential output pair. LVPECL interface levels. Differential output pair. LVPECL interface levels. Differential output pair. LVPECL interface levels. Crystal oscillator interface. XTAL_IN is the input, XTAL_OUT is the output. Positive supply pin. Test Conditions 2 Minimum Typical Maximum ICS8538BG-31 REV. B FEBRUARY 5, 2008 Units pF Ω k Ω k ...
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... Outputs CLK Q0:Q7 0 LOW 1 HIGH IDT™ / ICS™ LVPECL FANOUT BUFFER Selected Source Q0:Q7 CLK Disabled; Low XTAL_IN, XTAL_OUT Disabled; Low CLK Enabled XTAL_IN, XTAL_OUT Enabled nQ0:nQ7 HIGH LOW 3 Outputs nQ0:nQ7 Disabled; High Disabled; High Enabled Enabled Enabled ICS8538BG-31 REV. B FEBRUARY 5, 2008 ...
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... EE A Minimum Typical Maximum 0.3 CC -0.3 0.8 150 5 -5 -150 = 0°C to 70°C A Minimum Typical Maximum V – 1.4 V – 0.9 CCO CCO V – 2.0 V – 1.7 CCO CCO 0.6 1.0 ICS8538BG-31 REV. B FEBRUARY 5, 2008 Units Units V V µA µA µA µA Units µA µA V ...
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... IDT™ / ICS™ LVPECL FANOUT BUFFER Test Conditions = V = 3.3V±5 0V 0°C to 70°C CCO EE A Test Conditions 20% to 80% 5 Minimum Typical Maximum Fundamental Minimum Typical Maximum 266 2.2 50 250 200 700 45 55 ICS8538BG-31 REV. B FEBRUARY 5, 2008 Units MHz Ω Units MHz ...
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... IDT™ / ICS™ LVPECL FANOUT BUFFER Par t 1 nQx SCOPE Qx Qx Par t 2 nQy nQx Qy Part-to-Part Skew CLK nQ0:nQ7 Q0:Q7 Propagation Delay nQ0:nQ7 Q0: Output Duty Cycle/Pulse Width/Period 6 tsk(pp PERIOD t PW odc = x 100% t PERIOD ICS8538BG-31 REV. B FEBRUARY 5, 2008 ...
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... This can be done in one of two ways. First, R1 and R2 in parallel should equal the transmission line impedance. For most 50Ω applications, R1 and R2 can be 100Ω. This can also be accomplished by removing R1 and making R2 50Ω 0.1µf XTAL_IN R2 XTAL_OUT 7 ICS8538BG-31 REV. B FEBRUARY 5, 2008 ...
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... Other suitable clock layouts may exist and it would be recommended that the board designers simulate to guarantee compatibility across all printed circuit and clock component process variations. FIN RTT Figure 4B. 3.3V LVPECL Output Termination 8 3.3V 125 125 FOUT ICS8538BG-31 REV. B FEBRUARY 5, 2008 FIN ...
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... IDT™ / ICS™ LVPECL FANOUT BUFFER = 3. 3.465V, which gives worst case results 3.465V * 110mA = 381.15mW EE_MAX * Pd_total + for 28 Lead TSSOP, Forced Convection θ by Velocity JA 0 82.9°C/W 49.8°C/W 9 must be used. Assuming no air flow JA 200 500 68.7°C/W 60.5°C/W 43.9°C/W 41.2°C/W ICS8538BG-31 REV. B FEBRUARY 5, 2008 ...
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... IDT™ / ICS™ LVPECL FANOUT BUFFER V OUT CCO = V – 0.9V CCO_MAX = V – 1.7V CO_MAX ] * (V – [(2V – CCO_MAX OH_MAX ] * (V – [(2V – CCO_MAX OL_MAX 10 – V ))/ CCO_MAX OH_MAX L CCO_MAX – V ))/ CCO_MAX OL_MAX L] CCO_MAX ICS8538BG-31 REV. B FEBRUARY 5, 2008 – OH_MAX – OL_MAX ...
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... IDT™ / ICS™ LVPECL FANOUT BUFFER θ by Velocity JA 0 200 82.9°C/W 68.7°C/W 49.8°C/W 43.9°C/W Table 9. Package Dimensions All Dimensions in Millimeters Symbol Minimum 0.5 A2 0.80 b 0.19 c 0. 0.45 α 0° aaa Reference Document: JEDEC Publication 95, MO-153 11 ICS8538BG-31 REV. B FEBRUARY 5, 2008 500 60.5°C/W 41.2°C/W Maximum 28 1.20 0.15 1.05 0.30 0.20 9.80 6.40 Basic 4.50 0.65 Basic 0.75 8° 0.10 ...
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... ICS8538BG-31LF ICS8538BG-31LFT ICS8538BG-31LF 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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... AC Characteristics Table - changed Output Rise/Fall parameters from 500ps min. to 200ps min., and 850ps max. to 700ps max Power Considerations - updated Junction Temperature equation with worst case thermal resistance of 0 lfpm at 49.8°C/W. IDT™ / ICS™ LVPECL FANOUT BUFFER 13 ICS8538BG-31 REV. B FEBRUARY 5, 2008 Date 1/18/08 2/5/08 ...
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