PE3320BW-FREQ-OUT7 [PLETRONICS]
PECL Output Clock Oscillator, 10MHz Min, 170MHz Max;
| 型号： | PE3320BW-FREQ-OUT7 |
| 厂家： | 
PLETRONICS, INC. |
| 描述： | PECL Output Clock Oscillator, 10MHz Min, 170MHz Max |
| 文件： | 总1页 (文件大小：39K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
PE3345B PECL Series
4 Pad Leadless Surface Mount Clock Oscillator
–
10.00 MHz 170.00 MHz
Differential PECL Output with Enable/ Disable Function
See PE1145T for higher frequencies
Standard Specifications
Overall Frequency Stability
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range
-
°
Operating Temperature Range 0 to +80 C is standard, but can be extended to 40 to +85°C for certain frequencies
Supply Voltage (Vcc)
Supply Current (Icc)
Jitter
3.3 volts ± 10% standard, but 5.0 volts or 2.5 volts also available
³
60 to 70 mA typical, 90 mA maximum for 70 MHz. For < 70 MHz, consult factory
1 pS RMS maximum, from 12 kHz to 20 MHz from carrier for ³ 70 MHz. For < 70 MHz, consult factory
Output must be terminated into 50 ohms to (Vcc - 2.0 V). See Test Circuit 5 and Note 1.
Output enabled when Pin 2 is open or at CMOS Logic “1”;
Output Load
Enable/Disable Option (E/D)
Output disabled when Pin 2 is at CMOS Logic “0”.
Symmetry
Tr & Tf
Logic “1”
45/55% to 55/45% at 50% of Vcc level standard, tighter symmetry available
Output Waveform
PECL with Differential Output
(see Waveform 2)
³
1.0 nS max (20 to 80%) for 70 MHz. For < 70 MHz, consult factory
Vcc - 1.025 volts minimum
Vcc - 1.620 volts maximum
Logic “0”
Note 1:
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.
Part Numbering Guide
Packaging
Tray or
24mm tape,
16mm pitch
PE33 45 B Y -- 70.0M
Model
Frequency in MHz
Special Specifications (choose all that apply)
Frequency Stability
°
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%
45 = ± 50 PPM
44 = ± 25 PPM
20 = ± 20 PPM
W: Supply Voltage of 2.5 volts ± 5%
Y: Supply Voltage of 5.0 volts ± 10%
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: inches (mm)
not to scale
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.
PE1145B Series
PE3X45B Series
Possible Pinout Options, Consult Factory for Alternate Pinouts
(Remove center pads
for PE3145B)
Q Out N.C. Vcc
Q Out
Vcc
Q Out QN Vcc
6
5
4
3
4
4
5
6
4
5
6
PLE
.05
(1.3)
Solder Pads
PE1145B
PE3145B
PE3345B
1
1
1
2
3
2
3
2
1
2
3
GND E/D QN Out
GND QN Out
GND E/D N.C.
.560 (14.23) MAX
.125 (3.17)
MAX
.200 (5.08)
May 2002
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
Pl tronics, Inc.
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