E C L & C L I P P E D S Q U AR E W AV E C L O C K O S C I L L AT O R S
D F N 1 4 - E / E C / L E C & D F N 1 4 - O
KEY FEATURES
20.3 0.1
16 to 400 MHz
15.24
PIN 1
ECL or clipped square wave
Negative or positive power supply
APPLICATIONS
Sonet/SDH/Datacomms
H = 7.00 mm
DFN 14-
DFN 14-E
Pin
EC/LEC/O
NC/Output B
GND
0.45
1
7
NC/Output B
Vee
8
14
Output A
GND
Output A
Vcc
TYPE
Frequency Range
DFN 14-E
DFN 14-EC
DFN 14-LEC
DFN 14-O
16 to 400 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
-5.2 V 5 %
5 V 5 %
3.3 V 5 %
5 V 5 %
supply current
≤ 70 mA
≤ 70 mA
≤ 60 mA
≤ 70 mA
ECL 10KH
(50 Ω to -2 V)
PECL 100 K
( 50 Ω to 3 V )
LVPECL 100 K
( 50 Ω to 1.3 V )
50 Ω, square wave,
AC coupled
output load
duty cycle @ 50 % level (O @ 0V
40/60...60/40 %
40/60...60/40 %
45/55...55/45 %
40/60...60/40 %
rise/fall times (20 to 80 %)
high/low levels/output amplitude
≤ 1 ns
≥ -1.0 V/ ≤ -1.6 V
≤ 0.5 ns
≥ 3.92 V/ ≤ 3.45 V
≤ 0.5 ns
≥ 2.22 V/ ≤ 1.7 V
0 dBm 2 dB
start up
≤ 10 ms @ -4.94 V
≤ 10 ms @ 4.75 V
≤ 10 ms @ 3.15 V
≤ 10 ms @ 4.75 V
FREQUENCY STABILITY
types
stability [ ppm ] and temperature code
temperature range stability
code
XB20
XE25
stability
code
XB25
XE50
stability
≤
code
XB50
stability
100
code
XB100
0 to 70°C
≤
20
25
≤
25
50
50
≤
all types
remarks
-40 to 85°C
XE100
≤
≤
≤
100
stability includes calibration at 25°C, temperature, ageing, Vcc and load changes 1st yr.
OPTIONS
complementary output
stability over long life time
CODE
P
180°phase shifted
B = 10 years C = 15 years
A = 5 years
D = 20 years
ORDERING CODE
Example
type + option code + frequency + temperature code
DFN 14-EC 77.760 MHz XB20
Please consult factory for life time/stabilities and
frequency/stabilities possible combinations
REMARK
TYPE
DFN 14-E & 14-O
REVISION
03
CHECKED
NE
DATE
23.09.2007
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