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PI6C48535-01LE 数据表(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI6C48535-01LE 数据表(HTML) 2 Page - Pericom Semiconductor Corporation |
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2 / 5 page ![]() PI6C48535-01 3.3V Low Skew 1-to-4 LVTTL/LVCMOS to LVPECL Fanout Buffer 2 PS8735A 03/25/11 Pin Description Name Pin # Type Description VEE 1 P ConnecttoNegativepowersupply CLK_EN 2 I_PU Synchronizingclockenable.Whenhigh,clockoutputsfollowclockinput.Whenlow,Qx outputsareforcedlow,nQxoutputsareforcedhigh.LVCMOS/LVTTLlevelwith50KΩ pullup. CLK_SEL 3 I_PD Clockselectinput.Whenhigh,selectsCLK1input.Whenlow,selectsCLK0input. LVCMOS/LVTTLlevelwith50KΩpulldown. CLK0 4 I_PD LVCMOS/LVTTLclockinput CLK1 6 I_PD LVCMOS/LVTTLclockinput NC 5,7,8,9 Nointernalconnection. VCC 10,13, 18 P Connectto3.3V. Q3,nQ3 11,12 O Differentialoutputpair,LVPECLinterfacelevel. Q2,nQ2 14,15 O Differentialoutputpair,LVPECLinterfacelevel. Q1,nQ1 16,17 O Differentialoutputpair,LVPECLinterfacelevel. Q0,nQ0 19,20 O Differentialoutputpair,LVPECLinterfacelevel. Notes: 1. I=Input,O=Output,P=Powersupplyconnection,I_PD=Inputwithpulldown,I_PU=Inputwithpullup. Pin Characteristics Symbol Parameter Conditions Min. Typ. Max. Units CIN InputCapacitance 4 pF R_pullup InputPullupResistance 50 KΩ R_pulldown InputPulldownResistance 50 Control Input Function Table Inputs Outputs CLK_EN CLK_SEL Selected Source Q0:Q3 nQ0:nQ3 0 0 CLK0 Diasbled:Low Diasbled:High 0 1 CLK1 Disabled:Low Disabled:High 1 0 CLK0 Enabled Enabled 1 1 CLK1 Enabled Enabled Notes: 1. AfterCLK_ENswitches,theclockoutputsaredisabledorenabledfollowingarisingandfallinginputclockedgeasshowbelow. 11-0040 |
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