Model XO-523
Vishay Dale
Clock Oscillators
3.3 Volt,1.0MHz to 70.0MHz
FEATURES
•
HCMOS/TTL compatible.
•
3.3VDC crystal oscillator.
•
Industrial temperature optional.
ELECTRICAL SPECIFICATIONS
Operating Temperature Range:
0°C to + 70°C.
(- 40°C to + 85°C optional.)
Frequency Stability:
.01% Standard (.0025% and .005%
optional).
Input Voltage:
+ 3.3VDC
±
0.3V.
Enable Input Current:
2.2V minimum.
Disable Input Voltage:
0.8V maximum.
Output Load:
15pF or 2 TTL loads from 1.0 to 24.0MHz,
15pF load for 24.1 to 70.0MHz.
MECHANICAL SPECIFICATIONS
Marking Ink:
Epoxy, solvent resistant.
Hermetically Sealed Package:
Leak rate less than
2 x 10
-8
atmosphere cc/sec. of helium.
Terminal Solderability:
A minimum of 95% coverage after
solder dip.
ENVIRONMENTAL SPECIFICATIONS
Temperature Cycle:
- 55°C to + 85°C, 3 cycles.
Shock:
1000g, 0.35 milliseconds, 1/2 sine wave, 3 shocks
each plane.
Vibration:
.06 D.A., 10 - 55Hz, 20g, 55 - 2000Hz.
Humidity:
85% relative humidity at + 85°C, 240 hours.
STANDARD ELECTRICAL SPECIFICATIONS
FREQUENCY
RANGE
(MHz)
1.0 to 23.999
24.0 to 49.999
50.0 to 70.0
INPUT
CURRENT
(mA)
10
20
30
WAVEFORM
SYMMETRY
1.65V OR 50%Vdd
40/60
40/60
40/60
RISE AND FALL TIME
(Max.)
(nS)
10.0
10.0
5.0
“ZERO” LEVEL
10%Vdd
(Typ. Max.)
0.1/0.4
0.1/0.4
0.1/0.4
“ONE” LEVEL
90%Vdd
(Typ. Min.)
3.3/2.7
3.3/2.7
3.3/2.7
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
PIN
0.21
[5.3]
Max.
0.27
[6.8]
Max.
0.032
[0.8]
1
4
0.30
[7.62]
8
5
0.30
[7.62]
0.51 [12.9] Max.
0.51
[12.9]
Max.
CONNECTION
N.C. or E/D
Ground
Output
+ 3.3VDC
1
4
5
8
0.018
[0.45]
ENABLE/DISABLE
FUNCTION
*Pin 1
E/D
Open
High (1)
Low (0)
Pin 5
Output
Active
Active
High Z
*An internal pull-up resistor is connected to Pin 1 allowing active output if Pin 1 is left open.
HOW TO ORDER
XO-523
MODEL
B
FREQUENCY STABILITY
AA = .0025% (25PPM)
A = .005% (50PPM)
B = .01% (100PPM)
R
OTR
Blank = 0°C to + 70°C
R = - 40°C to + 85°C
E
ENABLE/DISABLE
Blank = Pin 1 open
E = Disable to Tristate
40M
FREQUENCY/MHz
Document Number 35044
Revision 18-Jan-00
www.vishay.com
25
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