APPLICATIONS: ADDITIONAL BENEFITS:
• Medical • Reduce emissions up to 20 dB.
• Printers • Systemic approach to EMI.
• Scanners • Highly cost effective compared to other methods.
• Modems • Eliminate need for individual node suppression.
• Telecommunications • Eliminate need for expensive shielding.
• Aerospace • Reduce component count.
• Copier • Reduce PCB layer count.
• Automotive • Drop-in replacement for 10 X 14mm SMD package.
FEATURES:
• Integrated Spread Spectrum technology
•Standard TTL or HCMOS output.
•Meets clock jitter requirements for all major
CISC, RISC and DSP processors
• Wide frequency range from 4 MHz to 128 MHz.
5.0VDC or 3.3VDC • 10 X 14mm SMD • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ASSM and ASSML
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070 • FAX: (949) 448-8484
E-MAIL:abinfo@abracon.com • INTERNET ADDRESS: www.abracon.com
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard • All specifications and markings subject to change without notice
5th Harmonic of 96 MHz
15.7dB EMI reduction
CENTER
480.00 MHz
MKR 1.05 MHz
-15.66 dB
Rev. 2.4 05/2003
ABRACON
®
CORPORATION
Pin Number Function
1NC
4GND
5OUTPUT
8VDC
Table 1
PIN CONFIGURATION:
MECHANICAL DIMENSIONS:
Dimensions: Inches (mm)
20
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER ASSM ASSML Conditions
Frequency Range (Fo) 4.000 MHz – 128.000 MHz
Operating Temperature (Topr) -40°C to +85°C (See Ordering Options)
Storage Temperature (Tsto) - 65°C to +150°C
Frequency Stability vs. Temp
(dF/Fo)
±100 ppm max. (See Ordering Options)
Operating Supply Voltage (VDC) 5.0 VDC 3.3 VDC +/-5 %
Operating Input Current (IDD) 30 mA max
Duty Cycle 45/55 % max
Rise Time 5.0 ns. 3.5 ns. 15 pF
Fall Time 5.0 ns. 3.5 ns. 15 pF
Output Voltage (VOH/VOL) 3.0VDC min. / 0.4 VDC max. +25°C
Start-up Time 10 ms max. 3 ms typ.
Aging +/- 5ppm max. /year
Jitter (CCJ1) 625 ps typical F = 4 MHz
Jitter (CCJ2) 225 ps typical F = 8 MHz
Jitter (CCJ3) 125 ps typical F = 32 MHz
Jitter (CCJ4) 135 ps typical F = 64 MHz
Jitter (CCJ5) 180 ps typical F = 128 MHz
Output Load 10-LSTTL or 15 pF
Bandwidth Accuracy +/- 10%
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070 • FAX: (949) 448-8484
E-MAIL:abinfo@abracon.com • INTERNET ADDRESS: www.abracon.com
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard • All specifications and markings subject to change without notice
Rev. 2.4
FACTORY BANDWIDTH SELECTION
FREQ.
(MHz)
CENTER SPREAD
(%)
DOWN SPREAD
(%)
MODULATION
RATE (kHz)
ORDER
OPTION C1 C2 C3 C4 D1 D2 D3 D4
4 – 5 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
5 - 6 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
6 - 7 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
7 - 8 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
8 – 10 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
10 - 12 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
12 – 14 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
14 - 16 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
16 – 20 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
20 - 24 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
24 – 28 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
28 - 32 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
32 – 40 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
40 - 48 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
48 – 56 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
56 - 64 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
64 - 80 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
80 - 96 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
96 - 112 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
112 - 128 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER ASSM ASSML Conditions
Frequency Range (Fo) 4.000 MHz – 128.000 MHz
Operating Temperature (Topr) -40°C to +85°C (See Ordering Options)
Storage Temperature (Tsto) - 65°C to +150°C
Frequency Stability vs. Temp
(dF/Fo)
±100 ppm max. (See Ordering Options)
Operating Supply Voltage (VDC) 5.0 VDC 3.3 VDC +/-5 %
Operating Input Current (IDD) 30 mA max
Duty Cycle 45/55 % max
Rise Time 5.0 ns. 3.5 ns. 15 pF
Fall Time 5.0 ns. 3.5 ns. 15 pF
Output Voltage (VOH/VOL) 3.0VDC min. / 0.4 VDC max. +25°C
Start-up Time 10 ms max. 3 ms typ.
Aging +/- 5ppm max. /year
Jitter (CCJ1) 625 ps typical F = 4 MHz
Jitter (CCJ2) 225 ps typical F = 8 MHz
Jitter (CCJ3) 125 ps typical F = 32 MHz
Jitter (CCJ4) 135 ps typical F = 64 MHz
Jitter (CCJ5) 180 ps typical F = 128 MHz
Output Load 10-LSTTL or 15 pF
Bandwidth Accuracy +/- 10%
5.0VDC or 3.3VDC • 10 X 14mm SMD • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ASSM and ASSML
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070 • FAX: (949) 448-8484
E-MAIL:abinfo@abracon.com • INTERNET ADDRESS: www.abracon.com
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard • All specifications and markings subject to change without notice
05/2003
ABRACON
®
CORPORATION
Table 2
Table 3
STANDARD ELECTRICAL SPECIFICATIONS
FACTORY BANDWIDTH SELECTION
FREQ.
(MHz)
CENTER SPREAD
(%)
DOWN SPREAD
(%)
MODULATION
RATE (kHz)
ORDER
OPTION C1 C2 C3 C4 D1 D2 D3 D4
4 – 5 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
5 - 6 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
6 - 7 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
7 - 8 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
8 – 10 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
10 - 12 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
12 – 14 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
14 - 16 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
16 – 20 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
20 - 24 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
24 – 28 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
28 - 32 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
32 – 40 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
40 - 48 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
48 – 56 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
56 - 64 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
64 - 80 ±1.4 ±1.2 ±0.6 ±0.5 -3.0 -2.2 -1.9 -0.7 31.25 – 39.06 kHz
80 - 96 ±1.3 ±1.1 ±0.5 ±0.4 -2.7 -1.9 -1.7 -0.6 39.06 – 46.88 kHz
96 - 112 ±1.2 ±0.9 ±0.5 ±0.4 -2.5 -1.8 -1.5 -0.6 46.88 – 54.69 kHz
112 - 128 ±1.1 ±0.9 ±0.4 ±0.3 -2.3 -1.7 -1.4 -0.5 54.69 – 62.50 kHz
FACTORY BANDWIDTH SELECTION
21
5.0VDC or 3.3VDC • 10 X 14mm SMD • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ASSM and ASSML
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070 • FAX: (949) 448-8484
E-MAIL:abinfo@abracon.com • INTERNET ADDRESS: www.abracon.com
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard • All specifications and markings subject to change without notice
Rev. 2.4 05/2003
ABRACON
®
CORPORATION
ASSM(L) - FREQUENCY - TEMPERATURE - FREQ. STABILITY - BANDWIDTH - PACKAGING
Fo in MHz as; XXX.XXXX
OPERATING VOLTAGE
ASSML = 3.3 ± 5% VDC
ASSM = 5.0 ± 5% VDC
-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
-T for Tape and Reel
-CX = Center Spread
-DX = Down Spread
(See table 3 for selection)
-R for ± 25 ppm max
-K for ± 30 ppm max
-H for ± 35 ppm max
-C for ± 50 ppm max
Example: ASSM-48.0000-E-C-C1-T
Would be the part number for a 48.0000MHz, ±1.2% center spread with a +/-50 ppm center frequency accuracy
ORDERING OPTIONS
22
