CRYSTAL CLOCK OSCILLATORS
5.0Vdc • HCMOS/TTL COMPATABLE • J -LEADED • PLASTIC MOLDED • SURFACE MOUNT
ASM
FEATURES:
14.0 x 8.95 x 4.7 mm
APPLICATIONS:
• Industry standard J-leaded terminals.
• Plastic molded SMD.
• HCMOS and TTL compatible.
• Tristate Enable / Disable.
• Extended temperature -40°C to +85°C option.
• Wide range of applications in dialing communication equipment, AV / OA equipment, Measuring equipment.
ASM
Fundamental, AT
ASMT
SPECIFICATIONS ASMH
-55°C 0°C to +70°C (See Options)
to + 125° Cance
@
25°C max.
(See
Frequency Range
PARAMETERS
Operation Mode
S T A
Range
Frequency
N D A R D
Operating Temperature (F
o
)
Storage Temperature (T
OPR
)
Operating Tempature
Options)
Storage
S T A N D A R DSPECIFICATIONS S
ATI
STANDARD S P E C I F I C
25 MHz
O N
3.5MHz -
S P E
-10°C
F I C A
-
T I O N S
C I
to + 60° C
70.000MHz
1.00MHz
(See Options)
Temperature (T
STO
)
Frequency Stability over /Temp.
Frequency Stability (DF F
o
)
Equivalent Series Resistance
Supply Voltage
(V
dd
)
(ESR) Maximum
Input Current
(I
dd
)
Duty Cycle or Symmetry
Rise Capacitance C
0
Shunt and Fall Times (T
R
/
T
F
)
Output Load
Load Capacitance C
L
Output Voltage
(V
OH
)
2.4Vdc min. (TTL)
; 0.9*Vdd min.(HCMOS)
Drive Level
100 µW max.
Aging
@
25° C First Year
OL
)
± 5 pp m max. ; 0.1*Vdd max.(HCMOS)
(V
0.4Vdc max. (TTL)
_
10TTL
10TTL 10 ms max.
(
for
F < 50 MHz) 15 pF (50pF max.)
Start-up Time
(T
OSC
)
15 pF max. “1” or Open: 50 MHz) 15 pF (30pF> 2.0V
5TTL (
for
F> Oscillation
max.
100 ns
V
IH
_
Output Disable /
(50“0”: max.) disabled in high impedance (Hi Z)FV
IL
50 MHz)
pF Output
for > < 0.8V
Enable
Disabled current
(I
DIS
) 0.9 * V
dd
min.
28mA max
2.4 V
dc
min.
0.9 * V
dd
min.
0.4 V
dc
max. ±5ppm /
dc
max.
0.4 V Year max. 0.1 * V
dd
max.
Aging
Note 1:
Option -S (Symmetry level measured at 1/2 Vdd for HCMOS, and
at 1.4 Vdc for TTL.
Note 2:
Pin 1 has internal pull-up resistor which allows pin 1 to be left floating (enable high)
Connect a By-Pass capacitor 0.01
m
F between Vdd and GND.
Test circuit, waveforms, see appendix B. Recommended handling, see appendix F.
Environmental and mechanical specifications, see appendix C. Group 2.
Marking, see appendix G. Tape and Reel, see appendix H.(1,000 pcs./ reel).
Application notes, see appendix, A. Reflow profile, see appendix E.
-40°C to +85°C
± 50 ppm max.
(See Options)
±100ppm max.
(See Options)
200
W
for 3.5 MHz < F < 4.0 MHz
5Vdc ±10%
150
W
for 4.0 MHz < F < 6.0 MHz
25mA max. (F< 30MHz); 35mA max. (F> 30MHz)
100
W
for 6.0 MHz < F < 10.0 MHz
<
_
8045/55%10 MHz < F < 14.0 MHz
W
for max. for F 10 MHz
40 / 60% max. for14 > 10 MHz < 25
Options & Note 1)
(See
MHz
50
W
for F MHz < F _
8ns max. (F < 40MHz) ; 6ns max. (F > 40MHz)
7 pF max.
10TTL max., F
(See
max. (F < 50MHz); 15pF (F > 50MHz)
16 p 50pF
Option)
ORDERING OPT ONS
ORDERINGOPTIONS
ASM - Frequency - Temperature - Frequency Stability
-
Duty Cycle - Packaging
XX.XXXXX MHz
-D for -10°C to + 60°C
-E for -20°C to + 70°C
-F for -30°C to + 70°C
-N for -30°C to + 85°C
-L for -40°C to + 85°C
-S for 45 / 55%
@
1
/
2 Vdd
-S1 for 45 / 55%
@
1.4 Vdc
-R
-K
-H
-C
for ±
for ±
for ±
for ±
25ppm max.
30ppm max.
35ppm max.
50ppm max.
-T
(Tape & Reel)
Dimensions: Inches (mm)
PIN
NUMBER
FUNCTION
1
2
7
3
8
14
4
Tristate E/D
GND // Case
GND Case
Output
Output
V
dd
V
dd
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
®
C O R P O R AT I O N
47
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