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XK21 Datasheet(PDF) 8 Page - Renesas Technology Corp

Part # XK21
Description  Ultra-low Phase Noise Quartz-based PLL Oscillator
PDF  29 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

XK21 Datasheet(HTML) 8 Page - Renesas Technology Corp

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R31DS0145EU0116 Rev. 1.16
Page 8
Sep 24, 2025
XK Datasheet
2.4.2
1.8V Specifications
VDD = 1.8V ± 5%, 12kHz to 20MHz integration range.
LVDS
1.8 ± 5%
0
100
Used
50
2.5
2.5 ± 5%
0
3.3 ± 5%
0
LVPECL
2
-1.3 ± 5%
Not Used
Not Used
50
2.5
Table 7. Phase Jitter at 1.8V
Parameter
Symbol
Test Frequency
(MHz)
Output Type
Typical
Maximum
Unit
Phase Jitter
jit
100
CML
76
90
fs RMS
HCSL
78
90
LVCMOS
77
90
LVDS
85
105
Phase Jitter
jit
125
CML
70
84
fs RMS
HCSL
73
85
LVCMOS
70
84
LVDS
69
91
Phase Jitter
jit
156.25
CML
55
66
fs RMS
HCSL
53
62
LVCMOS
54
64
LVDS
55
64
Phase Jitter
jit
161.132813
CML
52
61
fs RMS
HCSL
52
61
LVCMOS
53
64
LVDS
55
66
Phase Jitter
jit
250
CML
62
79
fs RMS
HCSL
63
73
LVCMOS
65
79
LVDS
67
79
Phase Jitter
jit
312.5
CML
52
63
fs RMS
HCSL
50
59
LVCMOS
51
59
LVDS
52
61
Table 6. Configurations for Phase Jitter Measurements (Cont.)
Output Type
V+ (V)
V- (V)
RT (ohms)
CAC
Zo (ohms)
L (cm)



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