PCS3P2189A PulseCore Semiconductor, PCS3P2189A Datasheet - Page 4

• Manufacturer Part Number: PCS3P2189A
• Description: Spread Spectrum Clock Generator
• Manufacturer: PulseCore Semiconductor

September 2006
rev 0.1
AC Electrical Characteristics
Typical Crystal Oscillator Circuit
Typical Crystal Specifications
*t
Fundamental AT cut parallel resonant crystal
Nominal frequency
Frequency tolerance
Operating temperature range
Storage temperature
Load capacitance
Shunt capacitance
ESR
LH
and t
Symbol
f
t
t
HL
M
OUT
t
f
LH
HL
t
JC
IN
D
are measured with a capacitive load of 15pF
F
*
*
Input frequency
Output frequency
Output rise time ( Measured from 0.8V to 2.0V )
Output fall time ( Measured from 2.0V to 0.8V )
Jitter (Cycle to cycle), Ta=25°C and VDD=3.3V
No Load Capacitance
Output duty cycle
Modulation Frequency ,
Input Frequency =15MHz
Notice: The information in this document is subject to change without notice.
Spread Spectrum Clock Generator
Parameter
C1
15MHz
± 50 ppm or better at 25°C
-25°C to +85°C
-40°C to +85°C
18pF
7pF maximum
25Ω
R1 = 510Ω
C2
Min
40
-
-
-
Typ
TBD
TBD
32.4
15
60
50
-
PCS3P2189A
Max
TBD
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60
-
-
4 of 7
Unit
MHz
MHz
KHz
nS
nS
pS
%