MC145705 데이터 시트보기 (PDF) - Motorola => Freescale
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MC145705 Datasheet PDF : 12 Pages
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CHARGE PUMPS
FUNCTION DIAGRAM
OSC
VCC
VOLTAGE
C3
DOUBLER
+
VDD
C1–
C1
+ C1+
VOLTAGE
INVERTER
GND
+
C4
C2
VSS
C2+ +
C2–
RECEIVER
VDD
VDD
*
15 kΩ
+
–
5.4 kΩ
VSS
STB
VCC
DO
1.0 V
* Protection Circuit
DRIVER
VDD
300 Ω
Tx
STB
TxEN
LEVEL
SHIFT
1.8 V
VCC
VCC
+
DI
–
1.4 V
VSS
MOTOROLA
MC145705•MC145706•MC145707
3
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