Datasheet > PE2345BW-FREQ-OUT7

PE2345BW-FREQ-OUT7

更新时间： 2024-11-08 09:32:51

品牌	Logo	应用领域
PLETRONICS		/
页数	文件大小	规格书
1页	40K
描述
PECL Output Clock Oscillator, 10MHz Min, 170MHz Max

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PE2345BW-FREQ-OUT7 数据手册

Pl tronics, Inc.

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

Manufacturer of High Quality Frequency Control Products

PE2245B PECL Series

10 Pad Leadless Surface Mount Clock Oscillator, see PE1145B for 6 Pad

Differential PECL Output with or without Enable/ Disable Function

–

10.00 MHz 170.00 MHz

See PE1145T for higher frequencies

All Connor-Winfield EE94-5XX Pinouts Available

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

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 E/D Pin is open or at CMOS Logic “1”;

Output Load

Enable/Disable Option (E/D)

(as applicable)

Output disabled when E/D Pin 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)

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

PE22 45 B Y -- 70.0M

Model

24mm tape,

16mm pitch

(Pinout Option)

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%

PE20 PE23

PE21 PE24

PE22

Frequency Stability

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.

Vcc

N.C.

PLE

.05

(1.3)

N.C.

Solder Pads

N.C.

N.C. N.C.

GND

.560 (14.23) MAX

.217 (5.5)

MAX

.400 (10.16)

C-W

Option '0'

'1'

'2'

'3'

'4'

Pin PE20 PE21 PE22 PE23 PE24

PE2245B Series Pinout Options

Connor-Winfield EE94-5XX Equivalents

N.C. N.C. E/D QN E/D

May 2002

N.C. QN N.C. N.C. QN

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

Pl tronics, Inc.

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