mc145170-2 Freescale Semiconductor, Inc, mc145170-2 Datasheet - Page 7

• Manufacturer Part Number: mc145170-2
• Description: Pll Frequency Synthesizer With Serial Interface
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Input Frequency, f
Input Frequency, OSC
Externally Driven with
ac-coupled Signal
Crystal Frequency, OSC
and OSC
Output Frequency, REF
Operating Frequency of the
Phase Detectors
Output Pulse Width, φ
and LD
Output Transition Times,
φ
Input Capacitance f
* If lower frequency is desired, use wave shaping or higher amplitude sinusoidal signal in ac-coupled case. Also, see
Figure 25 on page 22
R
, φ
OSC
V
, LD, f
in
Parameter
out
R
, and f
in
V
in
[Note]
R
for dc coupling.
in
, φ
out
in
V
,
V
Wave, N Counter Set to
Divide Ratio Such that
f
V
OSC
R Counter Set to Divide
Ratio Such that f
C1 ≤ 30 pF
C2 ≤ 30 pF
Includes Stray
Capacitance
C
f
C
C
V
R
in
in
L
L
L
Table 6. Loop Specifications (T
≤ 2.0 MHz
in Phase with f
= 30 pF
= 50 pF
= 50 pF
≥ 500 mVpp Sine
≥ 1.0 V
Sine Wave
Generator
*Characteristic impedance
out
Test Condition
= No Connect,
pp
MC145170-2 Technical Data, Rev. 5
Sine Wave,
Figure 8. Test Circuit, f
50 Ω*
R
V
≤ 2 MHz
V
in
100 pF
Symbol
f
t
t
XTAL
TLH
f
C
THL
out
t
f
f
f
w
in
f
in
MC145170-2
,
V
SS
A
Figure
V
12,
13,
13,
= -40 to 85°C)
DD
No.
in
11
8
9
-
-
f
V
14
14
14
V+
Test Point
V
2.7
3.0
4.5
5.5
2.7
3.0
4.5
5.5
2.7
3.0
4.5
5.5
2.7
4.5
5.5
2.7
4.5
5.5
2.7
4.5
5.5
2.7
4.5
5.5
V
DD
-
-
Guaranteed Range
Min
1.0*
1.0*
1.0*
1.0*
5.0
5.0
2.0
2.0
2.0
2.0
25
45
dc
dc
dc
dc
dc
dc
20
16
-
-
-
-
-
-
Electrical Characteristics
Max
100
185
185
100
2.0
2.0
7.0
7.0
80
22
25
30
35
12
12
15
15
10
10
90
65
60
-
-
-
-
MHz
MHz
MHz
MHz
MHz
Unit
pF
ns
ns
7