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參數(shù)資料
| 型號： | SM7745DV-125.0M |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | OSC 3.3V SMT 7X5 CMOS |
| 中文描述： | CRYSTAL OSCILLATOR, CLOCK, 125 MHz, CMOS OUTPUT |
| 封裝： | LEADLESS, CERAMIC PACKAGE-4 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 39K |
| 代理商： | SM7745DV-125.0M |
SM7745D Series
4 Pad 7 x 5mm Leadless Surface Mount Ceramic Clock Oscillator
CMOS with Enable/ Disable, 3rd Overtone Crystal Used
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
SM7745D:
±
50 PPM SM7744D:
±
25 PPM SM7720D:
±
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 volts, 3.3 volts and 2.5 volts available, .01 μF bypass cap recommended
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 15pF 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”.
Supply Current
Icc (mA) w/ 15pF load
Typical
40.0
75.0
80.0
90.0
Rise and Fall Time
Tr & Tf (nS) w/ 15pF load
Typical
2.0
0.5
0.5
0.5
Frequency Range
(MHz)
Maximum
45.0
80.0
90.0
95.0
Maximum
3.0
1.0
1.0
1.0
70.000 – 79.999
80.000 – 110.000
110.001 – 119.999
120.000 – 170.000
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
W: Supply Voltage of 2.5 volts
SM77 45 D Y -- 70.0M - 30
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)
MAX
0.01 F
bypass capacitor
.
1
2
3
4
Feb 2002
.075 (1.9)
.197
(5.0 ± .2)
Vcc
E/D
GND
OUT
1
2
3
4
.08 (2.0)
.07 (1.8)
.
Solder Pads
19013 36th Ave. West Suite H Lynnwood, WA 98036, USA
±
10%
±
5%
P
.09 (2.2)
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
6
Pl tronics, Inc.
Packaging
Tray or
16mmtape
8mmpitch
Non-Std Output Load
Blank = 15 pF max, 30 = 30 pF max, 50 = 50 pF max
1 pS RMS maximum
from12 kHz to 20 MHz fromcarrier
J itter
.
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| SM7745DV-133.0M | 制造商:Pletronics 功能描述:SMD Crystal Oscillator 133MHz 3.3V 15pF 4-Pin CLCC |
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