SL15101 SPECTRALINEAR [SpectraLinear Inc], SL15101 Datasheet - Page 12

• Manufacturer Part Number: SL15101
• Description: Programmable Spread Spectrum Clock Generator (SSCG)
• Manufacturer: SPECTRALINEAR [SpectraLinear Inc]

Rev 1.8, August 10, 2007
Output Duty Cycle
Output Duty Cycle
Input Duty Cycle
Output Rise/Fall Time
Output Rise/Fall Time
Output Rise/Fall Time
Output Rise/Fall Time
Output Rise/Fall Time
Output Rise/Fall Time
Output Rise/Fall Time
Cycle-to-Cycle Jitter
(SSCLK – Pins 4/6/7/8)
Cycle-to-Cycle Jitter
(SSCLK – Pins 4/6/7/8)
Power-down Time
Power-up Time
(Crystal or Resonator)
Power-up Time
(Clock)
Output Enable Time
Output Disable Time
Spread Percent Range
Spread Percent Range
Spread Percent Variation
Modulation Frequency
SPR-1
SPR-2
FMOD
DCIN
CCJ1
CCJ2
tPU1
tPU2
DC2
DC3
tr/f1
tr/f2
tr/f3
tr/f4
tr/f5
tr/f6
tr/f7
tOE
tOD
tPD
SS%
REFCLK, Xtal input
REFCLK, clock input
Clock Input, Pin 3
Programmable, VDD=2.5
Programmable, VDD=2.5
Programmable, VDD=2.5
Programmable, VDD=2.5
Programmable, VDD=2.5
Programmable, VDD=2.5
Programmable, VDD=2.5
FIN=30MHz, all 4 clocks are at
33MHz, +/-2.0% Spread. CL=15pF
FIN=30MHz, all 4 clocks are at
33MHz, +/-2.0% Spread. CL=15pF
Time from PD# falling edge to Hi-Z
at outputs (Asynchronous)
Time from PD# rising edge to valid
frequency at outputs
(Asynchronous)
Time from PD# rising edge to valid
frequency at outputs
(Asynchronous)
Time from OE falling edge to Hi-Z at
outputs (Asynchronous)
Time from OE falling edge to Hi-Z at
outputs (Asynchronous)
Center Spread, SSCLK-1/2/3/4
Down Spread, SSCLK-1/2/3/4
Variation of programmed Spread %
Programmable, 31.5 kHz standard
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
CL=15pF, 20 to 80% of VDD
+/-0.125
-5.0
-20
45
40
40
30
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4.80
2.60
1.80
1.40
1.10
0.90
0.70
31.5
260
210
180
180
180
3.5
2.0
50
50
50
-
-
-
SL15101
+/-2.5
-0.25
5.80
3.10
2.20
1.70
1.35
1.10
0.85
310
250
350
350
350
120
5.0
3.0
55
60
60
20
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kHz
ms
ms
ns
ns
ns
ns
ns
ns
ns
ps
ps
ns
ns
ns
%
%
%
%
%
%