FREQUENCY CONTROL PRODUCTS
TYPE DFN 14-KB, 4-KB & 4-KH REVISION 02 CHECKED NE DATE 10.10.2002 PAGE 22
TTL & HCMOS PRECISION OSCILLATORS
DFN 14-KB, DFN 4-KB & DFN 4-KH
KEY FEATURES
1 to 70 MHz
± 15 ppm overall stability available
Encapsulated crystal
APPLICATIONS
Sonet/SDH/Avionics/High rel. clocks
Function DFN 14 DFN 4
NC/Enable 1 1
GND 7 4
Output 8 5
Vcc 14 8
TYPE DFN 14-KB DFN 4-KB DFN 4-KH
Frequency Range 1 to 70 MHz 1 to 70 MHz 1 to 70 MHz
ELECTRICAL SPECIFICATIONS
supply voltage 5 V ± 5 % 5 V ± 5 %
supply current (no load) ≤ 25 MHz ≤ 20 mA ≤ 20 mA
> 25 MHz ≤ 50 mA ≤ 50 mA
output load HCMOS 15 pF or 10 TTL HCMOS 50 pF up to
25 MHz, 15 pF above
duty cycle 40/60...60/40 % @ 50% level or 1.4 V 40/60...60/40 % @ 50%
level
rise/fall times 0.4 to 2.4 V ≤ 3.5 ns
10 to 90% ≤ 5 ns 1 to 70 MHz ≤ 7 ns up to 25 MHz
≤ 3 ns > 25 MHz
high/low levels ≥ 4.5 V/ ≤ 0.5 V ≥ 4.5 V/ ≤ 0.5 V
start up ≤ 10 ms @ 4.75 V ≤ 10 ms @ 4.75 V
FREQUENCY STABILITY stability [ ppm ] and temperature code
types temperature range stability code stability code stability code
0 to 70°C ≤ ± 15 XB15 ≤ ± 25 XB25 ≤ ± 50 XB50
-40 to 85°C ≤ ± 25 XE25 ≤ ± 50 XE50 ≤ ± 75 XE75
all types
-55 to 125°C ≤ ± 50 XH50 ≤ ± 75 XH75 ≤ ± 100 XH100
XH codes only available as DFN 14/4-KB type for F ≤ 50 MHz
remarks includes calibration at 25°C, temperature, ageing, Vcc and load changes 1st year
OPTIONS CODE
tight symmetry (f ≤ 50 MHz) R 45/55...55/45 %
tri-state output on pin 1 Z high or open = enable, low = high Z (DFN 4-KH up to 50 MHz only)
ORDERING CODE type + option code + frequency + temperature code
Example DFN 4-KBZ 50.000 MHz XB15
12.7±0.1
12.7±0.1
6±0.1
7.62
7.62
PIN 1
0.45
6.3
0.85±0.1
12.7±0.1
20.3±0.1
H±0.1
7.62
15.24
PIN 1
0.45
6.3
0.75±0.1
H = 5.10 mm
DFN 14 DFN 4
