Hybrid Clocks
PXO
MODEL 068
375 kHz – 65 MHz Oscillator
Surface Mount 20 Lead Flatpack Package
Ceramic Chip Carrier Construction with Bottom Brazed Leads
Ruggedized 4 Point Crystal Mount
068
SERIES
NUMBER:
1.
2.
3.
4.
5.
6.
7.
8.
9.
0.
M
OUTPUT ENABLE SCREENING FREQUENCY
@ PIN 25
(MHz)
E: Required
B:
MIL-0-55310
X: Not Required
Class B
X: Corning
Verification
TEMPERATURE
STABILITY CODE
-55° C to +125° C ± 50 ppm
-55° C to +125° C ± 100 ppm
-55° C to +105° C ± 40 ppm
-55° C to +105° C ± 80 ppm
-20° C to +70° C ± 25 ppm
-20° C to +70° C ± 50 ppm
0° C to +70° C ± 10 ppm
0° C to +70° C ± 25 ppm
-40° C to +85° C ± 30 ppm
-40° C to +85° C ± 70 ppm
ACCURACY
@ 25° C
A: ±15 ppm
B: ±25 ppm
C: ±10 ppm
X:
Overall sta-
bility incl. in
Temp. Stability
code. Only avail.
with codes
2,4,6,8 and 0.
OUTPUT
WAVEFORM
T: TTL
C: CMOS
ADDITIONAL PARAMETERS
Input Voltage:
Input Current
375.0 kHz to 4.0 MHz:
4.1 to 35.0 Mhz:
35.1 to 65.0 MHz:
Output:
Duty Cycle:
Start-Up Time:
375.0 kHz to 4.0 MHz:
4.1 kHz to 35.0 MHz:
35.1 kHz to 65.0 MHz:
Rise & Fall Times for TTL
(meas. 0.8 to 2.0 V)
375.0 kHz to 35.0 MHz:
35.1 to 65.0 MHz:
Rise & Fall Times for CMOS
(meas. 10% to 90%)
375.0 kHz to 35.0 MHz:
35.1 to 65.0 MHz:
Load
ACMOS:
TTL:
Aging:
Storage Temperature:
+ 5 Vdc ± 10%
10 mA max.
20 mA max.
40 mA max.
CMOS or TTL
CMOS: 40% to 60% @ 50% Vdd
TTL: 40% to 60% @ 50% Vd
10ns
10ns
5ns
10ns max.
5ns max.
10ns max.
5ns max.
15 pF/10k
/
10 TTL
± 3 ppm max. Year 1;
± 2 ppm max./year thereafter
-55° C to +125° C
PIN CONNECTIONS
4 – Supply Voltage
25 – Enable/Disable or N/C
37 – GND
39 – Output
All others are N/C
v.2002-10-24
Corning Frequency Control (Shanghai) Co. Ltd.
1F.- 2F. No. 8 Workshop, No. 308 Fenju Rd.
WaiGaoQiao Free Trade Zone
Pudong New Area Shanghai, China
86-21-5048-0777 tel
86-21-5048-1881 fax
www.corningfrequency.com
sales@corningfrequency.com
Corning Frequency Control
· Crystal Specifications
Corning Frequency Control Inc.
100 Watts Street
Mount Holly Springs, PA 17065
USA
717-486-3411 tel
717-486-5920 fax
www.corningfrequency.com
sales@corningfrequency.com
Corning Frequency Control GmbH & Co. KG
Landstrasse
D-74924 Neckarbischofsheim
Germany
49-07268-801-0 tel
49-07268-801-281 fax
www.corningfrequency.de
sales@corningfrequency.de
9
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