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參數(shù)資料
| 型號： | MC141556P1 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 總線控制器 |
| 英文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大?。?/td> | 160K |
| 代理商： | MC141556P1 |
MC141556
19
MOTOROLA
APPLICATION DIAGRAM
Damping resistors are recommended to be in series on D+ and D- lines on all ports to minimize
discontinuity in the line impedance.
15KOhm resistors are tied to GND as pulldown terminators for all downstream ports.
Ferrite beads are recommended to be in series on VBUS and GND on all ports for EMI suppression.
120uF tantalum bypass capacitors are recommended between VBUS and GND on all ports for hot plug
inrush current limiting.
DPn
DMn
10ohm
DPn ( at MC141556)
DMn (at MC141556)
15Kohm
15K ohm
VBUS (MC141556)
VBUS
GND (MC141556)
GND
+
-
+
-
ferrite bead
120uF
0.01uF
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