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SL15100 Datasheet(PDF) 6 Page - SpectraLinear Inc

Part No. SL15100
Description  Prigrammable Spread Spectrum Clock Generator (SSCG)
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Maker  SPECTRALINEAR [SpectraLinear Inc]
Homepage  http://www.spectralinear.com
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SL15100 Datasheet(HTML) 6 Page - SpectraLinear Inc

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Rev 1.8, August 10, 2007
Page 6 of 16
SL15100
Cycle-to-Cycle Jitter
(SSCLK – Pin 6)
CCJ8
CLKIN=SSCLK=66MHz, 2%Spread
REFCLK=On
-
100
130
ps
Cycle-to-Cycle Jitter
(SSCLK – Pin 6)
CCJ9
CLKIN=SSCLK=33MHz, 2%Spread
REFCLK=On
-
135
180
ps
Power-down Time
tPD
Time from PD# falling edge to Hi-Z at
outputs (Asynchronous)
-
150
350
ns
Power-up Time
(Crystal or Resonator)
tPU1
Time from PD# rising edge to valid
frequency at outputs (Asynchronous)
-
3.5
5.0
ms
Power-up Time
(Clock)
tPU2
Time from PD# rising edge to valid
frequency at outputs (Asynchronous)
-
2.0
3.0
ms
Output Enable Time
tOE
Time from OE falling edge to Hi-Z at
outputs (Asynchronous)
-
180
350
ns
Output Disable Time
tOD
Time from OE falling edge to Hi-Z at
outputs (Asynchronous)
-
180
350
ns
Spread Percent Range
SPR
SSCLK-1/2 Outputs
0.25
-
5.0
%
Spread Percent Variation
SS%
Variation of programmed Spread %
-15
-
15
%
Modulation Frequency
FMOD
Programmable, 31.5 kHz standard
30
31.5
120
kHz
DC Electrical Characteristics (C-Grade)
Unless otherwise stated VDD= 2.5V+/- 10%, CL=15pF and Ambient Temperature range 0 to +85 Deg C
Description
Symbol
Condition
Min
Typ
Max
Unit
Operating Voltage
VDD
VDD+/-10%
2.25
2.5
2.75
V
Input Low Voltage
VIL
CMOS Level, Pins 4 and 8
0
-
0.3VDD
V
Input High Voltage
VIH
CMOS Level, Pins 4 and 8
0.7VDD
-VDD
V
Output High Voltage
VOH1
IOH=6mA , Pins 6 and 7
VDD-0.5
-
-
V
Output Low Voltage
VOL1
IOL=6mA, Pins 6 and 7
-
-
0.5
V
Input High Current
IIH
VIN=VDD, Pins 4 and 8
If no pull-up/down resister used
--
10
A
Input Low Current
IIL
VIN=GND, Pins 4 and 8
If no pull-up/down resister used
--
10
A
Pull-up/Down Resistors
RPU/D
VIN=VDD or GND
90
160
230
k
Operating Supply
Current
IDD
FIN=30MHz, REFCLK=30MHz
SSCLK=66MHz, PD#/OE=VDD
SSON#=GND, CL=0
-
6.8
8.1
mA
Standby Current
ISBC
PD#=GND
-
70
90
A
Output Leakage Current
IOL
Pins 6 and 7
-10
-
10
A
Minimum programming value
-
8.5
-
pF
Maximum programming value
-
40
-
pF
Programmable
Input Capacitance at
Pins 2 and 3
CXIN
CXOUT
Resolution (programming steps)
-
0.5
-
pF


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