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参数资料
| 型号： | PE2320BF-FREQ-OUT7 |
| 厂商： | PLETRONICS INC |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 10 MHz - 170 MHz, PECL OUTPUT |
| 文件页数： | 1/1页 |
| 文件大小： | 40K |
| 代理商： | PE2320BF-FREQ-OUT7 |
PE2245B PECL Series
10.00 MHz – 170.00 MHz
Standard Specifications
Overall Frequency Stability
Operating Temperature Range
0 to +80°C is standard, but can be extended to - 40 to +85°C for certain frequencies
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
See PE1145T for higher frequencies
Supply Voltage (Vcc)
3.3 volts ± 10% standard, but 5.0 volts or 2.5 volts also available
Output Waveform
PECL with Differential Output
Logic “1”
Vcc - 1.025 volts minimum
Logic “0”
Vcc - 1.620 volts maximum
Output Load
Output must be terminated into 50 ohms to (Vcc - 2.0 V). See Test Circuit 5 and Note 1.
Enable/Disable Option (E/D)
(as applicable)
Part Numbering Guide
Model
(Pinout Option)
Frequency Stability
45 = ± 50 PPM
44 = ± 25 PPM
Frequency in MHz
Special Specifications (choose all that apply)
E: Extended Operating Temperature Range (- 40 to +85 C)
F: 47.5 /52.5% Symmetry at 50% of Vcc
V: Supply Voltage of 3.3 volts ± 10%
W: Supply Voltage of 2.5 volts ± 5%
Y: Supply Voltage of 5.0 volts ± 10%
PE22 45 B Y -- 70.0M
°
20 = ± 20 PPM
Symmetry
Tr & Tf
45/55% to 55/45% at 50% of Vcc level standard, tighter symmetry available
1.0 nS max (20 to 80%) for 70 MHz.
For < 70 MHz, consult factory
60 to 70 mA typical, 90 mA maximum for 70 MHz.
For < 70 MHz, consult factory
Supply Current (Icc)
1 pS RMS maximum, from 12 kHz to 20 MHz from carrier for 70 MHz.
For < 70 MHz, consult factory
Jitter
In the typical PECL 100K logic output Voh is 2.35 volts and Vol is 1.60 volts at 3.3 Vcc. The center voltage of the PECL is therefore1.975 volts.
If a 50 ohm resistor is placed between the output and Vcc – 2 volts (1.3 volts), the current through the resistor is (1.975 – 1.3) / 50 = 13.5 mA.
The same load can be simulated by a resistor of 147 ± 1% ohms to ground (1.975 / 0.0135 = 146.29 ohms). If additional load current is placed
on the output, its load current must be subtracted from the 13.5 mA to calculate a new load resistor. Using similar calculations, use 274 ± 1%
ohms to ground for 5.0V operation.
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
Pl tronics, Inc.
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
Output enabled when E/D Pin is open or at CMOS Logic “1”;
Output disabled when E/D Pin is at CMOS Logic “0”.
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range
Packaging
Tray or
24mm tape,
16mm pitch
Note 1:
(see Waveform 2)
Mechanical:
not to scale
inches (mm)
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.
PE20 PE23
PE21 PE24
PE22
May 2002
10 Pad Leadless Surface Mount Clock Oscillator, see PE1145B for 6 Pad
Differential PECL Output with or without Enable/ Disable Function
All Connor-Winfield EE94-5XX Pinouts Available
.400 (10.16)
1
2
3
10 9
8
4
5
7
6
.23
(5.8)
.05
(1.3)
.12
(3.0)
.400
(10.16)
MAX
.560 (14.23) MAX
Vcc
GND
Q
4
3
7
5
6
8
9
2
10
1
PLE
N.C.
.217 (5.5)
MAX
N.C.
*
N.C.
E/D
QN
Pin PE20 PE21 PE22 PE23 PE24
Option '0'
'1'
'2'
'3'
'4'
2
6
N.C.
E/D
N.C.
QN
N.C.
N.C. QN
C-W
*
PE2245B Series Pinout Options
Connor-Winfield EE94-5XX Equivalents
Solder Pads
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
.
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相关代理商/技术参数 |
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