sl15300 SpectraLinear Inc, sl15300 Datasheet - Page 12

• Manufacturer Part Number: sl15300
• Description: Programmable Spread Spectrum Clock Generator Sscg
• Manufacturer: SpectraLinear Inc

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 Clock)
Power Supply Ramp
Time
Output Enable Time
Output Disable Time
Spread Percent Range
Spread Percent Range
Spread Percent Variation
Modulation Frequency
Rev 1.0, August 14, 2008
SPR-1
SPR-2
FMOD
ΔSS%
DCIN
CCJ1
CCJ2
tPSR
DC2
DC3
tOD
tr/f1
tr/f2
tr/f3
tr/f4
tr/f5
tr/f6
tr/f7
tPD
tPU
tOE
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 for VDD reaching minimum
specified value and monolithic
power supply ramp
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
25
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4.80
2.60
1.80
1.40
1.10
0.90
0.70
TBD
TBD
31.5
180
180
180
3.5
50
50
50
-
-
-
-
SL15300
+/-2.5
-0.25
5.80
3.10
2.20
1.70
1.35
1.10
0.85
TBD
TBD
350
350
350
120
5.0
55
60
60
12
20
Page 12 of 16
kHz
ms
ms
ns
ns
ns
ns
ns
ns
ns
ps
ps
ns
ns
ns
%
%
%
%
%
%