SURFACE MOUNT PRECISION OSCILLATOR
DFN S1-KEC/KEG (5 V) & DFN S1-LEC/LEG (3.3 V)
KEY FEATURES
9.1±0.2
14.8±0.3
5.08
16 to 400 MHz
± 20 ppm/15 years stability available
1 ps RMS jitter over 50 kHz to 80 MHz B.W.
APPLICATIONS
Sonet/SDH/Datacomms
Pin
1
2
3
4
5
6
Marking:
KEC/LEC version:
DFN S1-KE/LE
Frequency
Code
yrwk
KEG/LEG version:
DFN S1-KEG/LEG
Frequency
Code
yrwk
4
3
1.4
1.0
DFN S1-KEC / DFN S1-KEG /
LEC
LEG
Output 2
E/D
GND
Output 1
NC
Vcc
NC
E/D
GND
Output 1
Output 2
Vcc
2.54
8.9
6
1
5.9
+0.1
-0.2
5.08
5
2
PC board footprint
1.27
TYPE
Frequency Range
DFN S1-KECPI/KEGPI
16 to 400 MHz
DFN S1-LECPI/LEGPI
16 to 400 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
supply current (no load)
output load
duty cycle @ 50% level
rise/fall times ( 20 to 80% )
high/low levels
jitter RMS ( 12 kHz to 5 MHz )
jitter RMS ( 50 kHz to 80 MHz )
enable / disable on pin 2
complementary output on pin 1
start up
5V±5%
≤
70 mA
PECL 100 K ( 50
Ω
to 3 V )
45/55...55/45 % ( 0 to 70° )
C
40/60…60/40 % ( -40 to 85° )
C
≤
0.5 ns
≥
3.92 V/
≤
3.45 V
≤
0.5 ps
≤
1 ps ( f = 155.52 MHz )
low or open = enable, high = disable
180° phase shifted
≤
10 ms @ 4.75 V
3.3 V ± 5 %
≤
60 mA
LVPECL 100 K ( 50
Ω
to 1.3 V )
45/55...55/45 %
≤
0.5 ns
≥
2.22 V/
≤
1.7 V
≤
0.5 ps
≤
1 ps ( f = 155.52 MHz )
low or open = enable, high = disable
180° phase shifted
≤
10 ms @ 3.15 V
FREQUENCY STABILITY
types
all types
remark
temperature range
0 to 70°
C
-40 to 85°
C
stability
code
stability
code
stability
code
stability
code
± 20
XB20
± 25
XB25
± 50
XB50
± 100
XB100
± 20
XE20
± 25
XE25
± 50
XE50
± 100
XE100
st
includes calibration at 25° temperature, ageing, Vcc and load changes 1 year
C,
stability [ ppm ] and temperature code
OPTIONS
pin out option
stability over long life time
CODE
G
A = 5 years
complementary output on pin 5
B = 10 years
C = 15 years
D = 20 years
ORDERING CODE
Example
type + option code + frequency + stability / temperature code
DFN S1-LECPI 155.52 MHz XB20
REMARK
Please consult factory for life time/stabilities and
frequency/stabilities possible combinations
DFN_S1-KE_LE
These products and their specifications are subject to change without notice
27.10.2010 / PIK