580M-01ILFT IDT, 580M-01ILFT Datasheet

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580M-01ILFT

Manufacturer Part Number
580M-01ILFT
Description
Clock Drivers & Distribution GLITCH-FREE CLOCK MULTIPLEXER
Manufacturer
IDT
Datasheet

Specifications of 580M-01ILFT

Rohs
yes
Part # Aliases
ICS580M-01ILFT

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Part Number:
580M-01ILFT
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GLITCH-FREE CLOCK MULITPLEXER
Description
The ICS580-01 is a clock multiplexer (mux) designed to
switch between two clock sources with no glitches or short
pulses. The operation of the mux is controlled by an input
pin but the part can also be configured to switch
automatically if one of the input clocks stops. The part also
provides clock detection by reporting when an input clock
has stopped.
For a clock mux with zero delay and smooth switching, see
either the ICS581-01 or the ICS581-02.
Block Diagram
IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER
SELB
INB
INA
DIV
VDDI
Timer
1
0
Transition
Transition
Detector
VDDC
Detector
GND
1
Features
16-pin SOIC and 16-pin TSSOP packages available
Pb (lead) free package
No short pulses or glitches on output
Operates from 2 to 220 MHz
Low skew outputs
Clock detect feature
Ideal for systems with back-up or redundant clocks
Selectable timeouts for clock detection
Separate supply voltages allow power supply voltage
translation
Operates from 2.5 V to 5 V
OE1
OE2
OE4
OE3
CLK1
CLK2
NO_INB
NO_INA
ICS580-01
DATASHEET
ICS580-01
REV L 051310

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580M-01ILFT Summary of contents

Page 1

... For a clock mux with zero delay and smooth switching, see either the ICS581-01 or the ICS581-02. Block Diagram VDDI INB INA SELB DIV IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER Features • 16-pin SOIC and 16-pin TSSOP packages available • Pb (lead) free package • No short pulses or glitches on output • ...

Page 2

... VDDI 3 14 INA 4 13 INB 5 12 GND 6 11 OE4 7 10 OE3 8 9 16-pin TSSOP IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER Timeout Selection DIV OE1 0 VDDC 1 CLK1 CLK2 NO_INA NO_INB GND OE2 OE1 VDDC CLK1 CLK2 NO_INA NO_INB GND OE2 ...

Page 3

... CLK2 14 CLK1 15 VDDC 16 OE1 IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER Pin Type Input Mux select. Selects INB when high. Internal pull-up. Input Time out select. See table above. Internal pull-up. Power Supply for input clocks only. Can be higher than VDDC. ...

Page 4

... Figure 2 shows an example of this Figure 2 INA INB SELB Timeout NO_INA CLK1, 2 IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER 4 CLOCK MULTIPLEXER ICS580-01 REV L 051310 ...

Page 5

... External Components The ICS580-01 requires two 0.01 F decoupling capacitors, one between VDDI and GND and one between VDDC and GND. Series termination resistors of 33 can be used on CLK1 and CLK2. IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER VDD SELB OE1 ...

Page 6

... Stresses above the ratings listed below can cause permanent damage to the ICS580-01. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ...

Page 7

... Note 1. Frequencies less than the minimum may cause a timeout which will not guarantee glitch-free switching unless the clock is actually stopped. Note 2: Assumes identically loaded outputs with identical rise times, measured at VDD/2. Note 3: Output duty cycle is set by duty cycle of input clock at VDDC/2. IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER Conditions V INA and INB only ...

Page 8

... Thermal Characteristics (16-pin SOIC) Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case Thermal Characteristics (16-pin TSSOP) Parameter Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER Symbol Conditions Min. Still air JA 1 m/s air flow JA 3 m/s air flow JA ...

Page 9

... YYWW 1 Marking Diagram (ICS580M-01ILF) 16 580M01ILF ###### YYWW 1 Notes: 1. ###### is the lot number. 2. YYWW is the last two digits of the year and week that the part was assembled. 3. “LF” or “L” denotes Pb (lead) free package. 4. “I” indicates industrial grade. 4. Bottom marking: country of origin if not USA. ...

Page 10

... ICS580-01 GLITCH-FREE CLOCK MULITPLEXER Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No INDEX AREA IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER (16-pin SOIC, 150 Mil. Narrow Body) Symbol SEATING B PLANE C .10 (.004) ...

Page 11

... ICS580-01 GLITCH-FREE CLOCK MULITPLEXER Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No INDEX AREA IDT™ / ICS™ GLITCH-FREE CLOCK MULITPLEXER (16-pin TSSOP, 173 Mil. Body) Symbol ...

Page 12

... Ordering Information Part / Order Number Marking 580M-01LF 580M-01LFT see page 9 580M-01ILF 580M-01ILFT 580G-01LF see page 9 580G-01LFT 580G-01ILF 580G-01ILFT “LF” suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use ...

Page 13

... Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners ...

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