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MC10EP139 Folha de dados(PDF) 2 Page - ON Semiconductor |
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MC10EP139 Folha de dados(HTML) 2 Page - ON Semiconductor |
2 / 14 page MC10EP139, MC100EP139 http://onsemi.com 2 Figure 1. 20−Lead Pinout (Top View) 17 18 16 15 14 13 12 4 3 5 678 9 Q0 11 10 Q1 Q1 Q2 Q2 Q3 Q3 VEE 19 20 2 1 VCC Q0 Warning: All VCC and VEE pins must be externally connected to Power Supply to guarantee proper operation. Table 1. PIN DESCRIPTION PIN FUNCTION CLK*, CLK* ECL Differential Clock Inputs EN* ECL Sync Enable MR* ECL Master Reset VBB ECL Reference Output Q0, Q1, Q0, Q1 ECL Differential B2/4 Outputs Q2, Q3, Q2, Q3 ECL Differential B4/5/6 Outputs DIVSELa* ECL Frequency Select Input B2/4 DIVSELb0* ECL Frequency Select Input B4/5/6 DIVSELb1 ECL Frequency Select Input B4/5/6 VCC ECL Positive Supply VEE ECL Negative Supply *Pins will default low when left open. CLK CLK EN MR DIVSELb1 ÷2/4 Q0 Q0 Q1 Q1 ÷4/5/6 Q2 Q2 Q3 Q3 Figure 2. Logic Diagram R R DIVSELa DIVSELb0 VEE Table 2. FUNCTION TABLES CLK EN MR Function Z ZZ X L H X L L H Divide Hold Q0:3 Reset Q0:3 Z = Low−to−High Transition ZZ = High−to−Low Transition DIVSELa Q0:1 Outputs L H Divide by 2 Divide by 4 DIVSELb0 DIVSELb1 Q2:3 Outputs L H L H L L H H Divide by 4 Divide by 6 Divide by 5 Divide by 5 |
Nº de peça semelhante - MC10EP139 |
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Descrição semelhante - MC10EP139 |
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