ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
30332
Esperanza, Rancho Santa Margarita, California
92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
ASSM/ASSML SERIES
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STANDARD SPECIFICATIONS:
APPLICATIONS:
• Telecommunications.
• Capital equipment.
• Aerospace.
• Consumer electronics, printers.
• Medical equipment.
FEATURES:
• Patented spread spectrum technology.
• Meets FCC and EMC Directive for EMI requirements.
• Standard TTL or HCMOS compatible output.
• Drop-in replacement for standard plastic SMD crystal oscillators
• Reduce electromagnetic emissions up to 20dB!
14.27 x 10.7 x 5.3mm
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
Revised: 06.09.09
Visit www.abracon.com for Terms & Conditions of Sale
ABRACON P/N:
A
SSM-ASSML
Operating temperature: 0°C to + 70°C (see options)
Storage temperature: -65°C to +150°C
Description Parameter Min Max Unit
ASSML (3.3V)
Operating Voltage +/-5% V
DD
3.125 3.465 V
ASSM (5V)
Operating Voltage +/-5% V
DD
4.750 5.250 V
Frequency Range F
O
4.000 128.000 MHz
Output Low Voltage @ 4 mA V
OL1
--- 0.4 V
Output Low Voltage @ 10 mA V
OL2
--- 1.2 V
Output High Voltage @ 4 mA V
OH1
2.4 --- V
Output High Voltage @ 6 mA V
OH2
2.0 --- V
Output Load CL --- 15 pF
Rise Time T
R1
2.0 5.0 ns
Fall Time T
F1
2.0 4.4 ns
Output Clock Duty Cycle 4–8Mhz T
DCOUT
40 60 %
Output Clock Duty Cycle 8Mhz > T
DCOUT
45 55 %
F=4MHz T
CCJ1
--- 800 ps
F=8MHz T
CCJ1
--- 450 ps
F=16MHz T
CCJ2
--- 400 ps
F=32MHz T
CCJ3
--- 380 ps
F=64MHz T
CCJ4
--- 380 ps
Cycle-to-Cycle
Jitter
F=128MHz T
CCJ5
--- 380 ps
Pb
RoHS
Compliant
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
30332
Esperanza, Rancho Santa Margarita, California
92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
|||||||||||||||
ASSM/ASSML SERIES
OPTIONS AND PART IDENTIFICATION
(Left blank if standard)
14.27 x 10.7 x 5.3mm
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
Revised: 06.09.09
Visit www.abracon.com for Terms & Conditions of Sale
Table 2.1 BANDWIDTH SELECTION
Center Spread (%) Down Spread (%)
(MHz) C1 C3 D1 D3
4 - 5 ±1.4 ±0.5 -3 -1.9
5 - 6 ±1.3 ±0.4 -2.7 -1.7
6 - 7 ±1.2 ±0.4 -2.5 -1.5
7 - 8 ±1.1 ±0.3 -2.3 -1.4
8 - 10 ±1.4 ±0.5 -3 -1.9
10 - 12 ±1.3 ±0.4 -2.7 -1.7
12 - 14 ±1.2 ±0.4 -2.5 -1.5
14 - 16 ±1.1 ±0.3 -2.3 -1.4
16 - 20 ±1.4 ±0.5 -3 -1.9
20 - 24 ±1.3 ±0.4 -2.7 -1.7
24 - 28 ±1.2 ±0.4 -2.5 -1.5
28 - 32 ±1.1 ±0.3 -2.3 -1.4
32 - 40 ±1.4 ±0.5 -3 -1.9
40 - 48 ±1.3 ±0.4 -2.7 -1.7
48 - 56 ±1.2 ±0.4 -2.5 -1.5
56 - 64 ±1.1 ±0.3 -2.3 -1.4
64 - 80 ±1.4 ±0.5 -3 -1.9
80 - 96 ±1.3 ±0.4 -2.7 -1.7
96 - 112 ±1.2 ±0.4 -2.5 -1.5
112 - 128 ±1.1 ±0.3 -2.3 -1.4
Pb
RoHS
Compliant
ASSM 5.0 ± 5% Vdc R ±25ppm
ASSML 3.3 ± 5% Vdc K ±30ppm
H ±35ppm
C ±50ppm
E
F
N
L
Operating Voltage
TTape & Reel
(>1k)
Packaging
Frequency Stability
ASSM(L) - Frequency - - - -
-40°C to +85°C
Operation Temp.
-30°C to +70°C
Center Spread
See Table 2.1
-30°C to +85°C
See Table 2.1
Down Spread-20°C to +70°C
Spread Type
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
30332
Esperanza, Rancho Santa Margarita, California
92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
|||||||||||||||
ASSM/ASSML SERIES
14.27 x 10.7 x 5.3mm
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
Revised: 06.09.09
Visit www.abracon.com for Terms & Conditions of Sale
OUTLINE DIMENSIONS
R
ecommen
d
e
d
Lan
d
P
atter
n
PIN NO.
1
2
3
4
FUNCTION
NC
Output
Vdd
Dimension : Inches (mm)
GND
REFLOW PROFILE
T= tape and reel (1,000pcs/reel)
Dimension : mm
PACKING:
Pb
RoHS
Compliant
0.197 (5.0)
