ICS581-01 Datasheet, PDF (2/10 Pages) Integrated Circuit Systems – Zero-Delay Glitch-Free Clock Multiplexer

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® ZERO DELAY GLITCH-FREE CLOCK MULTIPLEXER
2
ICS581-01/02 REV M 110216