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參數資料
| 型號： | SM7644DY-FREQ-30 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 70 MHz - 170 MHz, CMOS OUTPUT |
| 文件頁數： | 1/1頁 |
| 文件大小： | 41K |
| 代理商： | SM7644DY-FREQ-30 |
SM7645D CMOS Series
CMOS with Enable/ Disable, 3rd Overtone Crystal Used
4 Pad Leadless Surface Mount Clock Oscillator
Low Jitter
70.00 MHz
–
170.00 MHz
Consult factory for
higher
frequencies
Standard Specifications
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
SM7645D:
±
50 PPM SM7644D:
±
25 PPM SM7620D:
±
20 PPMover Operating Temp. Range
0 to +70
°
C is standard, but can be extended to - 40 to +85
°
C for certain frequencies
5.0, 3.3, and 2.5 volts available, .01 μF bypass cap recommended, consult factory for 1.8 volts
40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform1)
Logic “1”
90% of Vcc MIN;
Logic “0”
10% of Vcc MAX
Output Load
Enable/Disable Option (E/D)
Standard load is 15 pF (typ. 1 ASIC) maximum see Test Circuit 2 (consult factory for
heavier
loads)
Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”.
Part Numbering Guide
Model
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
Frequency in MHz
Special Specifications (choose all that apply)
Y: Std Specs (5.0V
± 10%
, 0 to +70 C, 40/60% Symmetry)
E: Extended Operating Temperature Range (- 40 to +85 C)
S: 45/55% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts ±
10%
W: Supply Voltage of 2.5 volts ±
5%
X:
Supply Voltage of 1.8 volts ±
5% (Consult factory)
SM76 45 D V - 70.0M - 30 - XXX
(Internal Code or blank)
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
Mechanical:
Due to part size and factory abilities, part marking may vary fromlot to lot and may contain our part number or an internal code.
not to scale
inches (mm)
Sept 2004
Solder Pads
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
11
Pl tronics, Inc.
Packaging
Tray or
24mmtape
16mmpitch
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max
1 pS RMS maximum
from12 kHz to 20 MHz fromcarrier
J itter
Pl tronics
,
Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
C
7
P
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
0.055
(1.4)
0.200 (5.08)
1
2
3
4
7XYWKZ
FREQ M
PLE SPEC
0
0
(
0.040 (1.02)
0
0.108 (2.75)
MAX
0.200 (5.08)
0.040 (1.02)
1
2
2
1
3
4
3
4
0
TOP VIEW
0.324 (8.23)
0.059
(1.50)
0 .145
(3.68)
1 E/D
2 GND
3 OUT
4 Vcc
PIN SIGNAL
See Website for Supply Current (Icc) and Rise and Fall Times
相關PDF資料 |
PDF描述 |
|---|---|
| SM7644HV-FREQ-T500 | CRYSTAL OSCILLATOR, CLOCK, 0.8 MHz - 70 MHz, CMOS OUTPUT |
| SM7720HS-FREQ4-SB-30 | CRYSTAL OSCILLATOR, CLOCK, 30 MHz - 45.999 MHz, CMOS OUTPUT |
| SM7745HSV-66.667M | OSC 3.3V SMT 7X5 CMOS |
| SM7745HV-66.667M | OSC 3.3V SMT 7X5 CMOS |
| SM7745HY-66.667M | OSC 5V SMT 7X5 CMOS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SM7644HE | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) |
| SM7644HEV | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:3.3 V CMOS Clock Oscillators |
| SM7644HEW | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:2.5 V CMOS Clock Oscillators |
| SM7644HS | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) |
| SM7644HV | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:3.3 V CMOS Clock Oscillators |
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