5.0VDC or 3.3VDC • 8 PIN DIP • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ACSD and ACSDL
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.
CENTER
480.00 MHz
MKR 1.05 MHz
-15.66 dB
15.7dB EMI reduction
5th Harmonic of 96 MHz
APPLICATIONS:
•
•
•
•
•
•
•
•
Medical
Printers
Scanners
Modems
Telecommunications
Aerospace
Copier
Automotive
ADDITIONAL BENEFITS:
•
•
•
•
•
•
•
•
Reduce emissions up to 20 dB.
Systemic approach to EMI.
Highly cost effective compared to other methods.
Eliminate need for individual node suppression.
Eliminate need for expensive shielding.
Reduce component count.
Reduce PCB layer count.
Drop- in replacement for 8 pin DIP packages.
MECHANICAL DIMENSIONS:
PIN CONFIGURATION:
Pin Number
1
4
5
8
Function
NC
GND
OUTPUT
VDC
Table 1
Dimensions: Inches (mm)
NOTE: Left blank if standard
•
All specifications and markings subject to change without notice
ABRACON
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Rev. 2.4
®
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
05/2003
13
5.0VDC or 3.3VDC • 8 PIN DIP • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ACSD and ACSDL
Table 2
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
ACSD
ACSDL
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
±100ppm max. (See Ordering Options)
Frequency Stability vs. Temp
(dF/Fo)
Operating Supply Voltage (VDC)
5.0 VDC
3.3 VDC
Operating Input Current (IDD)
30 mA max
Duty Cycle
45/55
Rise Time
5.0 ns.
3.5 ns.
Fall Time
5.0 ns.
3.5 ns.
Output Voltage
(VOH/VOL)
3.0VDC min. / 0.4 VDC max.
Start-up Time
10 ms max. 3 ms typ.
Aging
+/- 5ppm max. /year
Jitter (CCJ1)
625 ps typical
Jitter (CCJ2)
225 ps typical
Jitter (CCJ3)
125 ps typical
Jitter (CCJ4)
135 ps typical
Jitter (CCJ5)
180 ps typical
Output Load
10-LSTTL or 15 pF
Bandwidth Accuracy
+/- 10%
Table 3
FREQ.
(MHz)
ORDER
OPTION
4–5
5-6
6-7
7-8
8 – 10
10 - 12
12 – 14
14 - 16
16 – 20
20 - 24
24 – 28
28 - 32
32 – 40
40 - 48
48 – 56
56 - 64
64 - 80
80 - 96
96 - 112
112 - 128
Conditions
+/-5 %
% max
15 pF
15 pF
+25°C
F
F
F
F
F
=
=
=
=
=
4 MHz
8 MHz
32 MHz
64 MHz
128 MHz
FACTORY
FACTORY
BANDWIDTH SELECTION
CENTER SPREAD
DOWN SPREAD
(%)
(%)
C1
±1.4
±1.3
±1.2
±1.1
±1.4
±1.3
±1.2
±1.1
±1.4
±1.3
±1.2
±1.1
±1.4
±1.3
±1.2
±1.1
±1.4
±1.3
±1.2
±1.1
C2
±1.2
±1.1
±0.9
±0.9
±1.2
±1.1
±0.9
±0.9
±1.2
±1.1
±0.9
±0.9
±1.2
±1.1
±0.9
±0.9
±1.2
±1.1
±0.9
±0.9
C3
±0.6
±0.5
±0.5
±0.4
±0.6
±0.5
±0.5
±0.4
±0.6
±0.5
±0.5
±0.4
±0.6
±0.5
±0.5
±0.4
±0.6
±0.5
±0.5
±0.4
C4
±0.5
±0.4
±0.4
±0.3
±0.5
±0.4
±0.4
±0.3
±0.5
±0.4
±0.4
±0.3
±0.5
±0.4
±0.4
±0.3
±0.5
±0.4
±0.4
±0.3
D1
-3.0
-2.7
-2.5
-2.3
-3.0
-2.7
-2.5
-2.3
-3.0
-2.7
-2.5
-2.3
-3.0
-2.7
-2.5
-2.3
-3.0
-2.7
-2.5
-2.3
D2
-2.2
-1.9
-1.8
-1.7
-2.2
-1.9
-1.8
-1.7
-2.2
-1.9
-1.8
-1.7
-2.2
-1.9
-1.8
-1.7
-2.2
-1.9
-1.8
-1.7
D3
-1.9
-1.7
-1.5
-1.4
-1.9
-1.7
-1.5
-1.4
-1.9
-1.7
-1.5
-1.4
-1.9
-1.7
-1.5
-1.4
-1.9
-1.7
-1.5
-1.4
D4
-0.7
-0.6
-0.6
-0.5
-0.7
-0.6
-0.6
-0.5
-0.7
-0.6
-0.6
-0.5
-0.7
-0.6
-0.6
-0.5
-0.7
-0.6
-0.6
-0.5
MODULATION
RATE (kHz)
31.25
39.06
46.88
54.69
31.25
39.06
46.88
54.69
31.25
39.06
46.88
54.69
31.25
39.06
46.88
54.69
31.25
39.06
46.88
54.69
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
39.06
46.88
54.69
62.50
39.06
46.88
54.69
62.50
39.06
46.88
54.69
62.50
39.06
46.88
54.69
62.50
39.06
46.88
54.69
62.50
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard
•
All specifications and markings subject to change without notice
ABRACON
®
14
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
05/2003
Rev. 2.4
5.0VDC or 3.3VDC • 8 PIN DIP • HCMOS/ TTL
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATORS
ACSD and ACSDL
ORDERING OPTIONS
ASCD(L) - FREQUENCY - TEMPERATURE - FREQ. STABILITY - BANDWIDTH - VALUE ADDED
Fo in MHz as; XXX.XXXX
-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
OPERATING VOLTAGE
ACSDL = 3.3 ±5% VDC
ACSD = 5.0 ±5% VDC
-CX = Center Spread
-DX = Down Spread
(See table 3 for selection)
QXX (trimmed leads)
(Q10 for 0.10”)
-R for ± 25 ppm max.
-K for ± 30 ppm max.
-H for ± 35 ppm max.
-C for ± 50 ppm max.
Example:
ACSD-48.0000-E-C-C4-T
Would be the part number for a 48.0000 MHz, ±0.4% center spread with a +/- 50ppm frequency accuracy.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Rev. 2.4
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
05/2003
15
嵌入式系统
