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ICS581-01 Datasheet

ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER

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ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
DATASHEET
ICS581-01/02
Description
Features
The ICS581-01/02 are glitch free, Phase Locked Loop
(PLL) based clock multiplexers (mux) with zero delay from
input to output. They each have four low skew outputs
which can be configured as a single output, three outputs,
or four outputs. The ICS581-01 allows user control over the
mux switching, while the ICS581-02 has automatic
switching between the two clock inputs.
The ICS581-01 and -02 are members of IDT’s
ClockBlocksTM family of clock generation, synchronization,
and distribution devices. For a non-PLL based clock mux,
see the ICS580-01.
Block Diagram
16-pin TSSOP package
RoHS compliant packaging
No short pulses or glitches on output
Operates from 6 to 200 MHz
Low skew outputs
User controlled (-01) or automatic, timed mux switch (-02)
Ideal for systems with back-up or redundant clocks
Zero delay (input to output)
50% output duty cycle allows duty cycle correction
SpreadSmartTM technology works with spread spectrum
parts
Industrial temperature of ICS581-02 available
ICS581-01
INA
1
VDD 2
CLK1
INB
SELA
FBIN
0
PLL
Output
Divide
CLK2
CLK3
2
S1:0
ICS581-02
DIV
INA
INB
FBIN
/48
1
/3
0
1
0
GND 2
VDD 2
IN Transition
Detector
OE0 OE1
PLL
Output
Divide
CLK4
CLK1
CLK2
CLK3
2
S1:0
GND 2
OE0 OE1
CLK4
IDT™ / ICS™ ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
1
ICS581-01/02 REV L 051310


Integrated Device Technology Electronic Components Datasheet

ICS581-01 Datasheet

ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER

No Preview Available !

ICS581-01/02
ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
Pin Assignment
S0
1
S1
2
VDD
3
INA
4
INB
5
GND
6
FBIN
7
OE0
8
16
SELA
15
VDD
14
CLK1
13
CLK2
12
CLK3
11
CLK4
10
GND
9
OE1
16 pin 4.40 m il body (0.65 m m pitch) TSSOP
Clock Decoding
SELA
0
1
ICS581-01 only
CLK1-4
INB
INA
ZDB AND MULTIPLEXER
S0
1
S1
2
VDD
3
INA
4
INB
5
GND
6
FBIN
7
OE0
8
16
DIV
15
VDD
14
CLK1
13
CLK2
12
CLK3
11
CLK4
10
GND
9
OE1
16 pin 4.40 m il body (0.65 m m pitch) TSSOP
Timeout Selection
DIV
Nominal Timeout
0
3x period of INB
1
48x period of INB
ICS581-02 only
Tri-State and Power Down
OE1 OE0 CLK1 CLK2-4
PLL
0
0
Z
Z
Off
0
1
On
Z
On
1
0
Z
On
On
1
1
On
On
On
ICS581-01/02
Note: Z indicates that the output is in a high
impedance state
Frequency Range Select
S1
S0
0
0
0
1
1
0
1
1
ICS581-01/02
Input Range (MHz)
50 - 150
19 - 75
6 - 19
150 - 200
IDT™ / ICS™ ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
2
ICS581-01/02 REV L 051310



Part Number ICS581-01
Description ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
Maker IDT
Total Page 3 Pages
PDF Download

ICS581-01 Datasheet PDF





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