Datasheet > PE7745DW-80.000M

PE7745DW-80.000M

更新时间： 2024-11-08 08:03:35

品牌	Logo	应用领域
PLETRONICS		/
页数	文件大小	规格书
1页	41K
描述
Oscillator, 40MHz Min, 180MHz Max, 80MHz Nom,

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PE7745DW-80.000M 数据手册

Pl tronics, Inc.

19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA

Manufacturer of High Quality Frequency Control Products

40.000 MHz

50.000 MHz

51.840 MHz

53.125 MHz

62.500 MHz

77.760 MHz

180.00 MHz

PE7745D PECL Series

6 Pad 7x5mm Leadless Surface Mount Ceramic Clock Oscillator

–

80.00 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 +85ꢀC 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

60 to 70 mA typical, 90 mA maximum

1 pS RMS maximum, from 12 kHz to 20 MHz from carrier

Output must be terminated into 50 ohms to (Vcc - 2.0 V). See Test Circuit 5 and Note 1.

Output enabled when Pin 1 is open or at CMOS Logic “1”;

Output disabled when Pin 1 is at CMOS Logic “0”.

Output Load

Enable/Disable Option (E/D)

Symmetry

Tr & Tf

Logic “1”

45/55% to 55/45% at 50% of Vcc level standard, tighter symmetry available

1.0 nS max

Vcc - 1.025 volts minimum

Vcc - 1.620 volts maximum

Output Waveform

PECL with Differential Output

(see Waveform 2)

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

Portions of the part number that appear after the frequency may not be marked on part (C of C provided)

PE77 45 D Y - 80.0M - XXX (Internal Code or blank)

Model

Frequency in MHz

Packaging

Tray or

Special Specifications (choose all that apply)

16mm tape,

8mm pitch

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%

W: Supply Voltage of 2.5 volts ± 5%

Y: Supply Voltage of 5.0 volts ± 10%

45 = ± 50 PPM

44 = ± 25 PPM

20 = ± 20 PPM

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.

Solder Pads

.200 (5.08)

.276 (7.0 ± .2)

For Best Performance,

PLE

Do NOT allow any traces other

than ground under oscillators

(Even in buried layers)

.075 (1.9)

MAX

.05

(1.3)

Nov 2003

(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com

Pl tronics, Inc.

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PE7745DY-170.0M	PLETRONICS	获取价格	PECL Output Clock Oscillator, 10MHz Min, 170MHz Max, 170MHz Nom, LEADLESS, 6 PIN
PE7745DY-180.000M	PLETRONICS	获取价格	Oscillator, 40MHz Min, 180MHz Max, 180MHz Nom,
PE7745DY-50.000M	PLETRONICS	获取价格	Oscillator, 40MHz Min, 180MHz Max, 50MHz Nom,
PE7745DY-51.840M	PLETRONICS	获取价格	Oscillator, 40MHz Min, 180MHz Max, 51.84MHz Nom,
PE7745DY-62.500M	PLETRONICS	获取价格	Oscillator, 40MHz Min, 180MHz Max, 62.5MHz Nom,
PE7745DY-80.000M	PLETRONICS	获取价格	Oscillator, 40MHz Min, 180MHz Max, 80MHz Nom,

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