sl15300 SpectraLinear Inc, sl15300 Datasheet - Page 6

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

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
DC Electrical Characteristics (C-Grade)
Unless otherwise stated VDD= 2.5V+/- 10%, CL=15pF and Ambient Temperature range 0 to +70 Deg C
Operating Voltage
Input Low Voltage
Input High Voltage
Output High Voltage
Output Low Voltage
Input High Current
Input Low Current
Rev 1.0, August 14, 2008
Description
SPR-1
SPR-2
FMOD
ΔSS%
CCJ1
CCJ2
tPSR
tPD
tPU
tOE
tOD
Symbol
VOH1
VOL1
VDD
VIH
VIL
IIH
IIL
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
VDD+/-10%
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.
IOH=10mA , If Pins 4, 6, 7 and
8 are programmed as
SSCLK/REFCLK
IOL=10mA, If Pins 4, 6, 7 and 8
are programmed as
SSCLK/REFCLK
VIN=VDD, Pins 4 and 8. If
outputs are programmed as
PD#, OE, SSON# or FS and no
pull-up/down resister used
VIN=GND, Pins 4 and 8. If
outputs are programmed as
PD#, OE, SSON# or FS and no
pull-up/down resister used
Condition
VDD-0.4
+/-0.125
0.7VDD
2.25
-5.0
-10
-10
Min
-15
25
0
-
-
-
-
-
-
-
-
TBD
TBD
31.5
150
180
180
3.5
2.5
Typ
-
-
-
-
-
-
-
-
-
-
SL15300
+/-2.5
0.3VDD
-0.25
TBD
TBD
350
350
350
120
5.0
12
15
VDD
2.75
Max
0.4
10
10
Page 6 of 16
-
kHz
ms
ms
ps
ps
ns
ns
ns
%
%
%
Unit
μA
μA
V
V
V
V
V