MC74LVXT8051DT Просмотр технического описания (PDF) - ON Semiconductor
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MC74LVXT8051DT Datasheet PDF : 12 Pages
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MC74LVXT8051
+5V
+5V
ANALOG
16
ANALOG
+5V
ON
0V
SIGNAL
SIGNAL
0V
6
11
TO EXTERNAL LSTTL COMPATIBLE
10
CIRCUITRY 0 to VIH
8
9
DIGITAL SIGNALS
VCC
VCC VCC
Dx
16 Dx
ON/OFF
Dx
Dx
GND
GND
8
Figure 15. Application Example
Figure 16. External Germanium or
Schottky Clipping Diodes
+3V
+5V
+3V
ANALOG
16
ANALOG
+3V
+5V
ANALOG
16
ANALOG
+5V
ON/OFF
ON/OFF
GND
SIGNAL
SIGNAL
GND
GND
SIGNAL
SIGNAL
GND
6
11
10
8
9
1.8V – 2.5V
CIRCUITRY
6
11
10
8
9
+5V
1.8V – 2.5V
CIRCUITRY
a. Low Voltage Logic Level Shifting Control
MC74VHCT1GT50 BUFFERS
VCC = 3.0V
b. 2–Stage Logic Level Shifting Control
Figure 17. Interfacing to Low Voltage CMOS Outputs
11
A
LEVEL
SHIFTER
13
X0
14
X1
10
B
LEVEL
SHIFTER
15
X2
12
X3
9
C
LEVEL
SHIFTER
1
X4
5
X5
6
ENABLE
LEVEL
SHIFTER
2
X6
4
X7
3
X
Figure 18. Function Diagram, LVXT8051
http://onsemi.com
10
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