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SI53321 Datasheet, PDF (3/28 Pages) Silicon Laboratories – 1:10 LOW JITTER LVPECL CLOCK BUFFER | |||
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Si53321
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Parameter
Ambient Operating
Temperature
Supply Voltage Range
Symbol
TA
VDD
Test Condition
LVPECL
Min
Typ
Max Unit
â40
â
85
°C
2.38
2.5
2.63 V
2.97
3.3
3.63 V
Table 2. Input Clock Specifications
(2.5 V ï± 5%, or 3.3 V ï± 10%, TA=â40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max Unit
Differential Input Common
VCM VDD = 2.5 Vï± 5%, 3.3 Vï± 10%
0.05
â
Mode Voltage
â
V
Differential Input Swing
VIN
(peak-to-peak)
0.2
â
2.2
V
LVCMOS Input High Voltage VIH VDD = 2.5 Vï± 5%, 3.3 Vï± 10% VDD x 0.7 â
â
V
LVCMOS Input Low Voltage
VIL
VDD = 2.5 Vï± 5%, 3.3 Vï± 10%
â
â VDD x 0.3 V
Input Capacitance
CIN
CLK0 and CLK1 pins with
â
5
â
pF
respect to GND
Table 3. DC Common Characteristics
(2.5 V ï± 5%, or 3.3 V ï±ï 10%,TA = â40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Supply Current
IDD
Measured using ac-
â
440
coupled termination
shown in Figure 6
Input High Voltage
Input Low Voltage
Internal Pull-down
Resistor
VIH
VIL
RDOWN
CLK_SEL
CLK_SEL
CLK_SEL
0.8 x VDD
â
â
â
â
25
Max
Unit
â
mA
â
V
0.2 x VDD
V
â
kï
Rev. 1.0
3
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