ECM Crystal Oscillator
GBS304 Series
250kHz – 125.0MHz
Half Size
Universal Output
3.3V Supply Available
Competitive Prices for Volume Users
Fast Make Options Available
Parameter
Frequency Range
Frequency
Stability
Supply Voltage
Supply Current
Load
Duty Cycle
Rise & Fall Times
Ageing
Operating Temp
Storage Temp
GBS304
250kHz to 125.0MHz
+/-25ppm (A)
Specify
+/-50 ppm (B)
+/-100 ppm (C)
5V +/-10%
Specify
3.3V +/-10% (L)
20 to 80mA max
Frequency Dependant
10TTL – 15pF
45 / 55
10nS max
Frequency Dependant
+/-5ppm / year
0
0 C to +70
0
C (-45
0
to +85
0
C) Available
-55
0
C to +125
0
C
Environmental & Mechanical
50m/s
2
11mS Duration
Mechanical
Shock
-55 +125
0
C duration 10mins
Thermal
3 cycles
Shock
10-55Hz / 0.762mm
Vibration
Duration 2 Hours
All units 100% tested in
Hermetic
de-ionised H
2
O
Seal
Part Numbering GBS304 H L 16.384M B
Type
Operating Temp
Blank = Standard
H = -45+85
0
C
Supply Voltage
Blank = 5.0V
L = 3.3V
Frequency
K = kHz M= MHz
Stability
Pin
Function
A
12.70
B
7.62
1
O/E
C
5.08
4
GND
D
6.30
5
O/P
E
0.45
8
V
DD
Dimensions in mm
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
Issue 1
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