SL15101 SPECTRALINEAR [SpectraLinear Inc], SL15101 Datasheet - Page 10

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

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 – Pins4/6/7/8)
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
DC Electrical Characteristics (I-Grade)
Unless otherwise stated VDD= 2.5V+/- 10%, CL=15pF and Ambient Temperature range -40 to +85 Deg C
Operating Voltage
Input Low Voltage
Input High Voltage
Rev 1.8, August 10, 2007
Description
SPR-1
SPR-2
FMOD
CCJ1
CCJ2
tPU1
tPU2
tr/f2
tr/f3
tr/f4
tr/f5
tr/f6
tr/f7
tOD
tPD
tOE
SS%
Symbol
VDD
VIH
VIL
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
Programmable, VDD=3.3V,
CL=15pF, 20 to 80% of VDD
FIN=30MHz, all 4 clocks are at
33MHz, +/-2.0% Spread. CL=15pF
FIN=30MHz, all 4 clocks are at
66MHz, +/-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
CMOS Level, if Pins 4 and 8
programmed as PD#, OE,
SSON# or FS
CMOS Level, if Pins 4 and 8
programmed as PD#, OE,
SSON# or FS.
VDD+/-10%
Condition
0.7VDD
+/-0.125
2.25
-5.0
Min
-20
30
0
-
-
-
-
-
-
-
-
-
-
-
-
-
2.00
1.40
1.10
0.85
0.70
0.55
31.5
235
185
150
180
180
3.5
2.0
Typ
2.5
-
-
-
-
-
SL15101
+/-2.5
0.3VDD
-0.25
2.40
1.70
1.35
1.00
0.85
0.67
290
245
350
350
350
120
5.0
3.0
20
VDD
2.75
Max
Page 10 of 16
kHz
ms
ms
ns
ns
ns
ns
ns
ns
ps
ps
ns
ns
ns
%
%
%
Unit
V
V
V