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LC87BK04A 数据表(PDF) 11 Page - Sanyo Semicon Device |
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LC87BK04A 数据表(HTML) 11 Page - Sanyo Semicon Device |
11 / 27 page LC87BK08A/06A/04A No.A1984-11/27 Recommended Unused Pin Connections Recommended Unused Pin Connections Port Name Board Software P00 to P07 Open Output low P10 to P17 Open Output low P20 to P21 Open Output low P70 Open Output low CF1/XT1 Pulled low with a 100k Ω resistor or less General-purpose input port CF2/XT2 Pulled low with a 100k Ω resistor or less General-purpose input port Power Pin Treatment Recommendations (VDD1, VSS1) Connect bypass capacitors that meet the following conditions between the VDD1 and VSS1 pins: • Connect among the VDD1 and VSS1 pins and bypass capacitors C1 and C2 with the shortest possible heavy lead wires, making sure that the impedances between the both pins and the bypass capacitors are as possible (L1=L1’ , L2=L2’). • Connect a large-capacity capacitor C1 and a small-capacity capacitor C2 in parallel. The capacitance of C2 should approximately 0.1 μF. VSS1 VDD1 L1’ L2’ L1 L2 C1 C2 |
类似零件编号 - LC87BK04A |
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类似说明 - LC87BK04A |
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