Reference Clock Timing Requirements (Refclkp/N); Reference Clock Electrical Characteristics (Refclkp/N); Single Ended Reference Clock Electrical Characteristics (Refclk); Jitter Cleaner Timing Parameters - Texas Instruments TLK3134 Data Manual

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4.3

REFERENCE CLOCK TIMING REQUIREMENTS (REFCLKP/N)

PARAMETER
Frequency
Accuracy
Accuracy
Duty Cycle
Jitter
(1) This clock should be crystal referenced to meet the requirements of the above table
4.4

REFERENCE CLOCK ELECTRICAL CHARACTERISTICS (REFCLKP/N)

PARAMETER
V Differential Input Voltage
id
C Input Capacitance
IN
R Input Differential Impedance
IN
t Rise Time
rise
4.5

SINGLE ENDED REFERENCE CLOCK ELECTRICAL CHARACTERISTICS (REFCLK)

PARAMETER
V High-Level Input Voltage
IH
V Low-Level Input Voltage
IL
I /I High/Low Input Current
IH IL
t Rise Time
rise
Jitter Peak to Peak Jitter
Tcyc Duty Cycle
4.6

JITTER CLEANER TIMING PARAMETERS

PARAMETER
PLL Bandwidth
Jitter Peaking
VCO Output Jitter (rms)
VCO Output Jitter (rms)
VCO Output Jitter (rms)
VCO Output Jitter (rms)
Copyright © 2007–2009, Texas Instruments Incorporated
Minimum data rate
XAUI/10GFC/1G PCS Mode
Independent Channel Mode
Random and deterministic
20% to 80%
20% → 80%
Jitter Cleaner not used on REFCLK
–3dB
2 MHz → 30 MHz
1.2 MHz → 30 MHz
600 kHz → 30 MHz
300 kHz → 30 MHz
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CONDITION
CONDITION
CONDITION
CONDITION
TLK3134
SLLS838F – MAY 2007 – REVISED DECEMBER 2009
(1)
MIN NOM
60 –
–100
0 0
45% 50%
MIN NOM
100
80 100
50
MIN NOM MAX
1.7 VDDO + 0.3
–0.3
40% 50% 60%
MIN NOM MAX
Electrical Specifications
TLK3134
MAX UNIT
375 MHz
100 ppm
0 ppm
55%
40 ps
MAX UNIT
2000 mV
PP
3 pF
120 Ω
600 ps
UNIT
V
0.7 V
±10 μA
1 ns
40 ps
Period
UNIT
1 MHz
0.1 dB
2 ps
2.5 ps
4 ps
8 ps
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