TLK3134_1 Datasheet, PDF (113/150 Pages) Texas Instruments – 4-Channel Multi-Rate Transceiver

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TLK3134
4-Channel Multi-Rate Transceiver
SLLS838D – MAY 2007 – REVISED JULY 2008
4.3 REFERENCE CLOCK TIMING REQUIREMENTS (REFCLKP/N)⁽¹⁾
PARAMETER
Frequency
Accuracy
Accuracy
Duty Cycle
Jitter
CONDITION
Minimum data rate
XAUI/10GFC/1G PCS Mode
Independent Channel Mode
Random and deterministic
MIN
60
–100
0
45%
NOM
–
0
50%
MAX
375
100
0
55%
40
UNIT
MHz
ppm
ppm
ps
(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_id
Differential Input Voltage
C_IN
Input Capacitance
R_IN
Input Differential Impedance
t_rise
Rise Time
20% to 80%
CONDITION
MIN NOM
100
80 100
50
MAX
2000
3
120
600
UNIT
mV_PP
pF
Ω
ps
4.5 SINGLE ENDED REFERENCE CLOCK ELECTRICAL CHARACTERISTICS (REFCLK)
V_IH
V_IL
I_IH/I_IL
t_rise
Jitter
Tcyc
PARAMETER
High-Level Input Voltage
Low-Level Input Voltage
High/Low Input Current
Rise Time
Peak to Peak Jitter
Duty Cycle
CONDITION
20% → 80%
Jitter Cleaner not used on REFCLK
MIN
1.7
–0.3
40%
NOM
MAX
VDDO + 0.3
0.7
±10
1
40
50%
60%
UNIT
V
V
µA
ns
ps
Period
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)
–3dB
2 MHz → 30 MHz
1.2 MHz → 30 MHz
600 kHz → 30 MHz
300 kHz → 30 MHz
CONDITION
MIN NOM MAX
1
0.1
2
2.5
4
8
UNIT
MHz
dB
ps
ps
ps
ps
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Electrical Specifications 113