4.7 XO Schematic
VCC_XO_FILT
3.3V LVCMOS XO (multiple footprints)
OUT_XO
EN_XO
0.1uF
C80
10k
R44
300 ohm
0.35 ohm
0.4A
FB12
Ferrite_Bead
10uF
C79
0.1uF
C78
10k
R45
DNP
VCC_XO
0.1uF
C81
DNP
1
2
3
JP4
XO_PWR
VCC
9
Enable/Disable
8
OUTPUT
5
NC
1
NC
2
NC
3
NC
6
NC
7
NC
10
GND
4
Y1
ENA5591A
33
R43
±25ppm
48.0048MHz
VDD
4
E/C
GND
OUT
3
Y2
DNP
XO3
SH4
SNT-100-BK-G
VDD
4
E/C
1
GND
2
OUT
3
Y3
7X-50.000MBB-T
DNP
Control_Voltage(Vc)
Output
3
Supply_Voltage(Vcc)
GND
2
Y4
ROM9070PA
DNP
VCC
3
OUTPUT
4
NC
1
NC
2
NC
5
NC
6
GND
7
Y5
ROX2522S4
DNP
VCC_XO_FILT
EN_XO
VCC_XO_FILT
VCC_XO_FILT
33
R49
DNP
XO3
33
R47
DNP
XO3
33
R48
DNP
XO3
33
R46
DNP
XO3
OE
1
NC
2
GND
3
CLK+
4
CLK-
5
VDD
6
CDC64XX-2520
U4
DNP
33
R50
DNP
XO3
VCC_XO_FILT
EN_XO
0.1uF
C82
DNP
0.1uF
C83
DNP
0.1uF
C85
DNP
ClassName: XO_trace
ClassName: XO_trace
ClassName: XO_trace
ClassName: XO_trace
ClassName: XO_trace
ClassName: XO_trace
Figure 4-7. XO
EVM Schematics
AD
V
A
NCE INFO
R
MA
TION
20
LMK5C33216EVM User's Guide
SNAU260A – OCTOBER 2020 – REVISED FEBRUARY 2021
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