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參數(shù)資料
| 型號(hào)： | SM7745HW-FREQ2-SB-50 |
| 廠商： | PLETRONICS INC |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 11 MHz - 23.999 MHz, CMOS OUTPUT |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 49K |
| 代理商： | SM7745HW-FREQ2-SB-50 |
SM7745H CMOS Series
CMOS with Enable/ Disable or Optional Stand By Mode
Fundamental or 3rd Overtone Crystal Used
4 Pad 7 x 5mm Leadless Surface Mount Ceramic Clock Oscillator
1.500 MHz
–
69.999 MHz
Standard Specifications
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Symmetry (Duty Cycle)
Logic Levels
SM7745H:
±
50 PPM SM7744H:
±
25 PPM SM7720H:
±
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, 2.5 volts and 1.8 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 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”.
Max. Supply Current
Max. Rise and Fall Time
Icc (mA) w/ 15pF load
Tr & Tf (nS) w/ 15pF load
Frequency Range
(MHz)
2.5V, 3.3V
5.0V
10
15
20
30
45
2.5V to 5.0V
5.0
5.0
5.0
5.0
4.5
1.500 – 10.999
11.000 – 23.999
24.000 – 29.999
30.000 – 45.999
46.000 – 69.999
7
15
15
20
25
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 ± 5%
X: Supply Voltage of 1.8 volts ± 5% (consult factory)
SM77 45 H V - 50.0M - SB - 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)
Solder Pads
±
10%
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
12
Pl tronics, Inc.
Packaging
Tray or
16mmtape
8mmpitch
Non-Std Output Load
Blank = 15 pF max,
Optional Stand By Mode
30 = 30 pF max,
50 = 50 pF max
Pl tronics
,
Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
C
P
Mar 2004
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
Max. Icc (mA)
w/ 15pF load
Max. Tr & Tf (nS)
w/ 15pF load
Frequency
Range (MHz)
1.8V
10
25
1.8V
5.0
3.0
1.500 – 39.999
40.000 – 69.999
.01 F
bypass
capacitor
MAX
0.200 (5.08)
0.075 (1.9)
0.276 (7.0 ± .15)
0
(
0.055
(1.4)
0.024
(0.60)
0.050 (1.27)
0.004 (0.10)
1
4
1
2
3
4
0.200 (5.08)
0.079 (2.0)
0.087 (2.2)
0.055
(1.4)
0.145
(3.68)
3
2
1 E/D or SB
2 GND
3 OUT
4 Vcc
PIN SIGNAL
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PDF描述 |
|---|---|
| SM7720MEX-FREQ-T250 | CRYSTAL OSCILLATOR, CLOCK, 0.8 MHz - 69.999 MHz, CMOS OUTPUT |
| SM7745DV-125.0M | OSC 3.3V SMT 7X5 CMOS |
| SM7745DW-100.0M | OSC 2.5V SMT 7X5 CMOS |
| SM7745HV-24.576M | OSC 3.3V SMT 7X5 CMOS |
| SM7745HV-27.0M | OSC 3.3V SMT 7X5 CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM7745HX | 制造商:PLETRONICS 制造商全稱:Pletronics, Inc. 功能描述:1.8 V CMOS Clock Oscillators |
| SM7745HX-16.0M | 制造商:Pletronics 功能描述:CMOS 5X7 OSC 50PPM 1.8V__Contact Local Pletronics Rep |
| SM7745HX-24.576M | 制造商:Pletronics 功能描述:CMOS 5X7 OSC 50PPM 1.8V__Contact Local Pletronics Rep |
| SM7745HX-25.0M | 制造商:Pletronics 功能描述:SMD Crystal Oscillator 25MHz 1.8V 15pF 4-Pin CLCC |
| SM7745HY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CMOS COMPATIBLE WITH TRI-STATE OUTPUT |
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