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NB4L6254FAR2G Datasheet(PDF) 6 Page - ON Semiconductor

No. de Pieza. NB4L6254FAR2G
Descripción  2.5V / 3.3V Differential LVPECL 2x2 Clock Switch and Low Skew Fanout Buffer
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NB4L6254FAR2G Datasheet(HTML) 6 Page - ON Semiconductor

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Table 7. AC CHARACTERISTICS VCC = 2.375 V to 3.465 V, GND = 0 V, TA = −40°C to +85°C (Note 6)
Symbol
Characteristic
Min
Typ
Max
Unit
VINPP
Differential Input Voltage (Peak−to−Peak)
0.3
1.3
V
VCMR
Differential Input Cross−Point Voltage (Clock Inputs)
1.2
VCC − 0.3
V
fIN
Clock Input Frequency
0
3.0
GHz
VOUTPP
Differential Output Output Voltage Amplitude (Peak−to−Peak)
(Note 7)
fO < 1.1 GHz
fO < 2.5 GHz
fO < 3.0 GHz
0.45
0.35
0.2
0.70
0.55
0.35
V
fCLKOUT Output Clock Frequency Range
0
3.0
GHz
tpd
Propagation Delay CLKx to Qx (Differential Configuration)
360
485
610
ps
tskew
Within Device Output−to−Output Skew (Differential Configuration)
Device−to−Device Skew
Output Pulse Skew (Duty Cycle Skew) (Note 8)
25
30
10
50
250
60
ps
DCO
Output CLOCK Duty Cycle (DC Ref = 50%)
tREF <100 MHz
(Note 9)
tREF < 800 MHz
49.4
45.2
50.6
54.8
%
tJIT
CLOCK Random Jitter (RMS) (SEL0 0 SEL1) (Note 10)
0.3
0.8
ps
tr, tf
Output Rise/Fall Times (Note 11) CLKx / CLKx
50
130
300
ps
tPDL
Output Disable Time, T = CLK period
2.5 T + tPD
3.5 T + tPD
ns
tPLD
Output Enable Time, T = CLK period
3 T + tPD
4 T + tPD
ns
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
6. LVPECL Outputs loaded with 50 W to VCC − 2.0V.
7. VOUTPP MIN = 0.1 V @ +85°C, fO < 3.0 GHz.
8. Output Pulse Skew is the absolute difference of the propagation delay times: |tPLH − tPHL|
9. DCOMIN/MAX = 43.2%/59.2% @ +85°C.
10.tJITMAX = 1.6 ps @ 85°C, 3.0 V
11. Measured 20% to 80%


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