SIT9001AI-43-25E2-20.00000Y Просмотр технического описания (PDF) - Unspecified
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производитель
SIT9001AI-43-25E2-20.00000Y Datasheet PDF : 10 Pages
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SiT9001
High Performance Spread Spectrum Oscillator
TThhee SSmmaarrtt TTiimmiinngg CChhooiiccee
AC Electrical Characteristics
Parameters
Clock Output Frequency
Clock Output Duty Cycle
Clock Output Rise Time
Clock Output Fall Time
Cycle-to-cycle Jitter
Clock Output Frequency
Clock Output Duty Cycle
Clock Output Rise Time
Clock Output Fall Time
Cycle-to-cycle Jitter
Clock Output Frequency
Clock Output Duty Cycle
Clock Output Rise Time
Clock Output Fall Time
Cycle-to-cycle Jitter
Symbol
Min.
Fout
1
DC
45
40
tr
–
tf
–
Tccj
–
–
Fout
1
45
DC
40
tr
–
tf
–
Tccj
–
–
Fout
1
45
DC
40
tr
–
tf
–
Tccj
–
–
Typ.
Max.
Unit
Condition
Vdd = 3.3V ±10%, -40°C to 85°C
–
200
MHz
50
55
%
Output frequency = 1 MHz to 75 MHz
–
60
%
Output frequency = 75 MHz to 200 MHz
1.0
1.5
ns
15 pF Load, 20% to 80% Vdd
1.0
1.5
ns
15 pF Load, 80% to 20% Vdd
22
29
ps
Spread = OFF, Output frequency = 133.33 MHz
22
29
ps
Spread = ON, Output frequency = 133.33 MHz
2% down spread
Vdd = 2.5V ±10%, -40°C to 85°C
–
200
MHz
50
55
%
Output frequency = 1 MHz to 125 MHz
–
60
%
Output frequency = 125 MHz to 200 MHz
1.0
1.5
1.0
1.5
26
37
ns
15 pF Load, 20% to 80% Vdd
ns
15 pF Load, 80% to 20% Vdd
ps
Spread = OFF, Output frequency = 133.33 MHz
26
37
ps
Spread = ON, Output frequency = 133.33 MHz
2% down spread
Vdd = 1.8V ±5%, -40°C to 85°C
–
200
MHz
50
55
%
Output frequency = 1 MHz to 75 MHz
–
60
1.0
1.5
%
Output frequency = 75 MHz to 200 MHz
ns
15 pF Load, 20% to 80% Vdd
1.0
1.5
ns
15 pF Load, 80% to 20% Vdd
45
57
ps
Spread = OFF, Output frequency = 133.33 MHz
45
57
ps
Spread = ON, Output frequency = 133.33 MHz
2% down spread
Pin Configuration
Pin
Symbol
Functionality
Standby
H or Open[1]: specified frequency output
L: output is low (weak pull down). Oscillator stops
H or Open[1]: specified frequency output
1
ST/OE/SD
Output Enable L: output is high impedance.
Standby/ Output Enable/ Spread Disable.
SD (Down Spread) H or Open: Spread = ON
only
L: Spread =OFF
2
GND
Power
Connect to Ground
3
SS_OUT
Output
1 to 200 MHz Spread Spectrum Clock Output
4
VDD
Connect to 1.8V or 2.5V or 3.3V
Top View
ST/OE/SD 1
4 VDD
GND 2
3 SS_OUT
Note:
1. A pull-up resistor of <10 k between ST/OE/SD pin and Vdd is recommended in high noise environment.
Block Diagram
VDD
SS_OUT
Rev. 1.2
MEMS
Resonator
High
Performance
Synthesizer
Spread
Spectrum
Modulator
ST/OE/SD
GND
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