MC145170-1 Motorola, MC145170-1 Datasheet - Page 19

• Manufacturer Part Number: MC145170-1
• Description: PLL FREQUENCY SYNTHESIZER WITH SERIAL INTERFACE
• Manufacturer: Motorola

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DataSheet
4
MOTOROLA
U
.com
f in (PIN 4)
SOG PACKAGE
NOTES:
CMOS
1. The 33 k resistor is needed to prevent the D in pin from floating. (The D out pin is a three–state output.)
2. See related Figures 25, 26, and 27.
MCU
Marker
1
2
3
4
Figure 23. Input Impedance at f in — Series Format (R + jX)
Frequency
(MHz)
100
150
185
5
D in
Figure 24. Cascading Two MC145170–1 Devices
CLK
MC145170–1
DEVICE #1
Resistance
2390
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39.2
25.8
42.6
( )
(5 MHz to 185 MHz)
ENB
D out
Reactance
– 5900
– 347
– 237
– 180
( )
OPTIONAL
33 k
NOTE 1
D in
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Capacitance
(pF)
5.39
4.58
4.48
4.79
CLK
MC145170–1
DEVICE #2
4
ENB
3
2
D out
1
MC145170–1
19