SURFACE MOUNT HCMOS/TTL OSCILLATOR
KFO SERIES
The KFO90AT, a plastic encased surface mount oscillator, maintains
the same land pattern as our FSO series, but with smaller overall
dimensions. This reliable J-leaded component drives up to 10TTL
gates or a 50pF HCMOS load, and offers low current consumption
and tight symmetry.
FEATURES
50pF / 10TTL
Industry Standard Footprint
Tri-state Enable/Disable
Fast Rise/Fall Times
Tape and Reel (1,000 pcs. STD)
Available in -40° C to +85° C (KFO90FT)
Available with ±50 PPM stability (KFO95AT)
MODEL NUMBER SELECTION
Frequency Stability
(PPM)*
Frequency Range Model Number
(MHz)
Operating Temperature
(ºC)
+/-100
1.500 ~ 67.000
1.500 ~ 67.000
1.500 ~ 67.000
KFO90AT
KFO90FT
KFO95AT
-10 ~ +70
+/-100
-40 ~ +85
+/-50
-10 ~ +70
ELECTRICAL CHARACTERISTICS (VDD = 5.0V, CL = 50pF)
FREQUENCY RANGE
PARAMETERS
Frequency Range (Fo)
Frequency Stability
CONDITIONS
MIN
1.500
-100
-50
MAX
67.000
+100
UNITS
MHz
PPM
1.500 ~ 67.000
All Conditions *
Temperature Range
Operating
(TOPR)
-10
-40
-55
+70
+85
+125
+5.5
27
45
60
55
60
ºC
Storage
Supply Voltage
Input Current
(TSTG)
(VDD)
(IDD)
+4.5
V
mA
1.500 ~ 32.000
32.000+ ~ 50.000
50.000+ ~ 67.000
1.500 ~ 50.000
50.000+ ~ 67.000
1.500 ~ 67.000
1.500 ~ 67.000
1.500 ~ 67.000
Output Symmetry
2.5V
45
40
%
nS
V
Rise Time
Fall Time
Output Voltage
(TR)
(TF)
(VOL)
(VOH)
(IOL)
(IOH)
0.5V to 4.5V
4.5V to 0.5V
IOL = 16 mA
IOH = -16 mA
VOL = 0.5 V
VOH = 4.5 V
TTL
7
7
0.5
4.5
1.500 ~ 67.000
1.500 ~ 67.000
Output Current
Output Load
16
-16
10
mA
TTL
pF
HCMOS
50
1.500 ~ 67.000
1.500 ~ 67.000
Start-up Time
(TS)
10
100
mS
nS
Enable/Disable Time
See Table**
*
Inclusive of 25ºC tolerance, operating temperature range, input voltage change, load change, aging, shock, and vibration.
ENABLE / DISABLE FUNCTION**
*** An internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open.
Note: A 0.01 µF bypass capacitor should be placed between VDD (Pin 4) and GND (Pin 2) to minimize power supply line noise.
See page 44 for mechanical specifications, test circuits, and output waveform.
OUTPUT (Pin 3)
ACTIVE
INH (Pin 1)
OPEN ***
All specifications subject to change without notice. Rev. 03/02/00
ACTIVE
High Z
'1' Level VIH ³ 2.2 V
'0' Level VIL £ 0.8 V
All dimensions are in millimeters.
See page 74 for tape and reel specifications.
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905
941-693-0099
© 2000 FOX ELECTRONICS
FAX 941-693-1554 http://www.foxonline.com
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