assm/assml

LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
ASSM-ASSML SERIES
Pb RoHS
Compliant
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
| | | | | | | | | | | | | | |
APPLICATIONS:
• Telecommunications.
• Capital equipment.
• Aerospace.
• Consumer electronics, printers.
• Medical equipment.
STANDARD SPECIFICATIONS:
ABRACON P/N:
Operating temperature:
Storage temperature:
ASSM-ASSML
0°C to + 70°C (see options)
-65°C to +150°C
Description
Parameter
Min
Max
Unit
VDD
3.125
3.465
V
VDD
4.750
5.250
V
FO
4.000
128.000
MHz
Output Low Voltage @ 4 mA
VOL1
---
0.4
V
Output Low Voltage @ 10 mA
VOL2
---
1.2
V
Output High Voltage @ 4 mA
VOH1
2.4
---
V
Output High Voltage @ 6 mA
VOH2
2.0
---
V
Output Load
CL
---
15
pF
Rise Time
T R1
2.0
5.0
ns
Fall Time
TF1
2.0
4.4
ns
Output Clock Duty Cycle 4–8Mhz
TDCOUT
40
60
%
Output Clock Duty Cycle 8Mhz >
TDCOUT
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
F=128MHz
T CCJ5
---
380
ps
ASSML (3.3V)
Operating Voltage +/-5%
ASSM (5V)
Operating Voltage +/-5%
Frequency Range
Cycle-to-Cycle
Jitter
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 07.23.09
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
LOW EMI SPREAD SPECTRUM CRYSTAL CLOCK OSCILLATOR
ASSM-ASSML SERIES
Pb RoHS
Compliant
14.27 x 10.7 x 5.3mm
| | | | | | | | | | | | | | |
OPTIONS AND PART IDENTIFICATION (Left blank if standard)
ASSM(L) - Frequency Operating Voltage
ASSM
5.0 ± 5% Vdc
3.3 ± 5% Vdc
ASSML
E
F
N
L
-
-
-
Frequency Stability
R
±25ppm
K
±30ppm
H
±35ppm
C
±50ppm
Operation Temp.
-20°C to +70°C
-30°C to +70°C
-30°C to +85°C
-40°C to +85°C
Packaging
T
Tape & Reel
(>1k)
Spread Type
Down Spread
See Table 2.1
Center Spread
See Table 2.1
Table 2.1 BANDWIDTH SELECTION
Frequency
(MHz)
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Center Spread (%)
Down Spread (%)
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
Visit www.abracon.com for Terms & Conditions of Sale Revised: 07.23.09
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
Pb RoHS
Compliant
ASSM-ASSML SERIES
14.27 x 10.7 x 5.3mm
| | | | | | | | | | | | | | |
OUTLINE DIMENSIONS
Recommended Land Pattern
0.197 (5.0)
PIN NO.
1
2
3
4
FUNCTION
NC
GND
Output
Vdd
Dimension : Inches (mm)
REFLOW PROFILE
PACKING:
T= tape and reel (1,000pcs/reel)
Dimension : mm
NOTE: Abracon manufactured products are intended for general commercial and industrial use. For applications requiring
high reliability and/or presenting extreme operating environment, written consent & authorization from Abracon is required.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale Revised: 07.23.09
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com