FD7745T Pletronics, Inc., FD7745T Datasheet

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FD7745T

Manufacturer Part Number
FD7745T
Description
Fd7t Series Multi-output Cmos Clock Oscillator
Manufacturer
Pletronics, Inc.
Datasheet
• Pletronics’ FD7T Series is a quartz crystal
• Output frequencies from 12 KHz to 230 MHZ
• Selectable low jitter or spread spectrum outputs.
• Device characteristics may be either factory or
• 1.8V, 2.5 or 3.3V LVCMOS outputs
Absolute Maximum Ratings:
Product information is current as of publication date. The product conforms
to specifications per the terms of the Pletronics standard warranty. Production
processsing does not necessarily include testing of all parameters.
Tj Maximum Junction Temperature
Thermal Resistance, Junction to Case
Parameter
V
V
Vi
Vo
Io
controlled precision square wave generator with
multiple independent CMOS outputs
field programmable
DD
DDOUT
Continuous Output Current
Input Voltage
Output Voltage
Pletronics Inc. certifies this device is in accordance with the
Pletronics Inc. guarantees the device does not contain the following:
RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Model Number
FD77xxT
FD75xxT
FD74xxT
FD73xxT
Second Level Interconnect code: e4
Weight of the Device: 0.17 grams
PLLs
4
3
2
1
Unit
-0.5V to +2.5V
-0.5V to +4.6V
-0.5V to V
-0.5V to V
+ _ 50 mA
125
50
o
C/Watt
o
C
Outputs
DD
DDOUT
• 5 x 7 mm LCC Ceramic Package
• This is a low cost, mass produced oscillator.
• Tape and Reel or cut tape packaging is
• The package is designed for high density
+ 0.5V
Low power
available.
surface
mount designs
7
5
4
3
+ 0.5V
CMOS Clock Oscillator
FD7T Series
Multi-Output
Copyright © 2007, 2008, Pletronics Inc.
May 2008

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FD7745T Summary of contents

Page 1

Pletronics’ FD7T Series is a quartz crystal controlled precision square wave generator with multiple independent CMOS outputs • Output frequencies from 12 KHz to 230 MHZ • Selectable low jitter or spread spectrum outputs. • Device characteristics may be ...

Page 2

BLOCK DIAGRAMS OF THE FD7T SERIES FD73xxT Vdd 1.8V (1) Reference Vddout (5) oscillator Vcontrol (2) optional Voltage controlled PLL Multiplier #1 optional Spread Spectrum Programming optional Bypass Mode S0 (14) control S1/SDA (13) eePROM S2/SCL (12) SDA/SCL Registers Ground ...

Page 3

FD75xxT Vdd 1.8V (1) Vddout (5) Reference oscillator Vcontrol (2) optional PLL Multiplier #1 Voltage optional Spread Spectrum controlled optional Bypass Mode Programming PLL Multiplier #2 S0 (14) control optional Spread Spectrum S1/SDA (13) optional Bypass Mode eePROM S2/SCL (12) ...

Page 4

Description: The FD7T series Multi-Output CMOS Clock Oscillator is a modular PLL-based low cost, high-performance, programmable oscillator. The FD7T generates up to seven output frequencies, OUT1 through OUT7. Frequencies are mutually independent and may be programmed to any frequency from ...

Page 5

PLL Multipliers There are each independent PLL Multipliers and these can multiply the Reference Oscillator frequency from 1 (bypass mode) to any value that is <=230MHz (the lowest frequency is the Reference Oscillator frequency). Each of the ...

Page 6

Output Buffers Each output buffer can have 3 modes of operation: 1) Tri State 2) Active Low The output buffers for Out2 and Out3 and the output buffers Out6 and Out7 function as pairs. When selecting on the function both ...

Page 7

PART NUMBER: FD7 -25.0M -YYY -XX Part Marking: PLE FD7x Marking Legend: ZZZ YMD All other marking is internal factory codes Codes for Date Code YMD Code Year 2008 2009 ...

Page 8

Electrical Specification over the specified temperature range Item Base Frequency Frequency Range OUT1 Frequency Range OUT2 - 7 Frequency Accuracy “45" “44" “20" Recommended Operating Conditions Device Supply Voltage V DD Output Supply Voltage V DDOUT Output Supply Voltage “L” ...

Page 9

Item (1)(2) Peak-to-Peak Jitter (1)(2) Cycle-to-Cycle Jitter Output Skew LVCMOS Output Parameters for V Output High 2.5V DDOUT Output Low 2.5V DDOUT Rise & Fall Time Output Symmetry (1)(2) Peak-to-Peak Jitter (1)(2) Cycle-to-Cycle Jitter Output Skew ...

Page 10

Item Output Skew LVCMOS Output Parameters for V Output High 1.8V DDOUT Output Low 1.8V DDOUT Rise & Fall Time Output Symmetry (1)(2) Peak-to-Peak Jitter (1)(2) Cycle-to-Cycle Jitter Output Skew VCXO Function Vcontrol Input Range Usable ...

Page 11

FD7xxxT I DDOUT V =3.3V DDOUT 110 130 150 170 190 210 230 Fout (MHz) FD7xxxTL DDOUT No Load ...

Page 12

Load Circuit and Test Waveform Reliability: Environmental Compliance Parameter Condition Mechanical Shock MIL-STD-883 Method 2002, Condition B Vibration MIL-STD-883 Method 2007, Condition A Solderability MIL-STD-883 Method 2003 Thermal Shock MIL-STD-883 Method 1011, Condition A ESD Rating Model Minimum Voltage Human ...

Page 13

Mechanical Contacts Gold 11.8 µinches 0.3 µm minimum over Nickel 50 to 350 µinches 1.27 to 8.89 µm Package Labeling Label is 1" x 2.6" ...

Page 14

Pad Functions FD73xxT: Pad Function Note 1 Vsupply1 1.8V, powers internal circuitry of the oscillator. Bypass capacitor required near the package pin. 2 Vcontrol Frequency control input when the VCXO function is enabled 3 Ground (GND) 4 n.c. No connection ...

Page 15

Pad Functions FD74xxT: Pad Function Note 1 Vsupply1 1.8V, powers internal circuitry of the oscillator. Bypass capacitor required near the package pin. 2 Vcontrol Frequency control input when the VCXO function is enabled 3 Ground (GND) PLL1 frequency divider 2 ...

Page 16

Pad Functions FD75xxT: Pad Function Note 1 Vsupply1 1.8V, powers internal circuitry of the oscillator. Bypass capacitor required near the package pin. 2 Vcontrol Frequency control input when the VCXO function is enabled 3 Ground (GND) PLL1 frequency divider 2 ...

Page 17

Pad Functions FD77xxT: Pad Function Note 1 Vsupply1 1.8V, powers internal circuitry of the oscillator. Bypass capacitor required near the package pin. 2 Vcontrol Frequency control input when the VCXO function is enabled 3 Ground (GND) PLL1 frequency divider 2 ...

Page 18

Reflow Cycle (typical for lead free-processing) 250 200 175°C±10°C 150 100 120 to 160 Seconds The part may be reflowed 2 times without degradation. Tape and Reel: available for quantities of 250 to 1000 per reel, cut tape for < ...

Page 19

Pletronics Incorporated (PLE) reserves the right to make corrections, improvements, modifications and other changes to this product at any time. PLE reserves the right to discontinue any product or service without notice. Customers are responsible for obtaining the latest relevant ...

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