5 Vdc or 3.3 Vdc • ULTRA MINIATURE CERAMIC SURFACE MOUNT • TIGHT STABILITY
CRYSTAL CLOCK OSCILLATORS
ASF and ASFL
FEATURES:
• Compact and Low in Height. (1.6 mm)
• Low current consumption; 5 Vdc or 3.3 Vdc.
• Oscillation can be temporarily cut off by stand-by function.
• Suitable for High Density SMT.
• Tight stability Option.
• Resin sealed package.
APPLICATIONS:
• CCD Clock for VTR Camera.
• Equipment connected to PC or PC cards.
STANDARD SPECIFICATIONS
PARAMETERS
AS F
AS F L
Frequency Range
(F
o
)
1.5 MHz - 80.0 MHz
Operating Temperature (T
OPR
)
-10°C to + 60°C
Storage Temperature
(T
STO
)
-40°C to + 85°C
(
∆F
/ F
o
)
Frequency Stability
± 100 ppm max.
(See Options)
Supply Voltage
(V
dd
)
5 Vdc ± 10%
3.3 Vdc ± 10%
Input Current
(I
dd
)
25 m A max
Duty Cycle or Symmetry
40 / 60% max.
(See Options)
Rise and Fall Times
(T
R
/
T
F
)
6 ns max.
_
15 pF
Output Load
10TTL or 15 pF for F < 60 MHz
5TTL or 15 pF for F > 60 MHz
Output Voltage
(V
OH
)
“1” 0.9 * V
dd
min.
(V
OL
)
“0” 0.1* V
dd
max.
> 2.2V
_
Stand-By Function
(V
IH
)
“1” or Open: Oscillation
< 0.8V
(V
IL
)
“0”:Output disabled (No Oscillation)
Connect a By-Pass capacitor 0.01
µ
F between Vdd and GND. See page 60.
For test circuit, waveforms, please see page 67.
Environmental and mechanical specifications on page 68, Group 2.
Tape and Reel, (1,000 pcs./reel) see pages 74-75.
Marking, see page 78.
PIN
N0.
FUNCTION
SIDE VIEW
BOTTOM VIEW
1
2
3
4
Stand-By
GND / Case
Output
V
dd
RECOMMENDED
LAND PATTERN
ORDERING OPTIONS
AS F X - Frequency - Overall Frequency Stability - Duty Cycle
-
Packaging
Blank or L
XX.XXXXX MHz
-J
-R
-K
-H
-C
for ± 20 ppm max.
for ± 25 ppm max.
for ± 30 ppm max.
for ± 35 ppm max.
for ± 50 ppm max.
-T
(Tape & Reel)
-S for 45 / 55%
@
1
/
2 Vdd
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard
•
All specifications and markings subject to change without notice
ABRACON
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070
•
F
AX
: (949) 448-8484
E-
MAIL
:
abinfo
@
abracon.com •
I
NTERNET
A
DDRESS
:
www.abracon.com
®
- 31 -
C O R P O R AT I O N
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