ICS548-03 Datasheet, PDF (2/4 Pages) Integrated Circuit Systems – Low Skew Clock Inverter and Divider

ADVANCE INFORMATION
ICS548-03
Low Skew Clock Inverter and Divider
Pin Assignment
ICLK 1
VDD 2
VDD 3
S3 4
GND 5
GND 6
S2 7
S0 8
16 DC
15 DC
14 DC
13 CLK
12 CLK
11 CLK/2
10 OE
9 S1
CLK, CLK, and CLK/2 Select Table (in MHz)
S3 S2 S1 S0 CLK, CLK CLK/2
0000
Low
Low
0 0 0 1 Input/4 Input/8
0 0 1 0 Input Input/2
0 0 1 1 Input/2 Input/4
0100
Low
Low
0 1 0 1 Input x 2 Input
0 1 1 0 Input/5 Input/10
0 1 1 1 Input/3 Input/6
1000
Low
Low
1 0 0 1 Input/4 Input/8
1 0 1 0 Input Input/2
1 0 1 1 Input/2 Input/4
1100
Low
Low
1 1 0 1 Input/6 Input/12
1 1 1 0 Input/8 Input/16
1 1 1 1 Input/2 Input/4
PLL Input Range
Off Power down
On 20 -120
On 20 -120
On 20 -120
Off Power down
On
20 - 60
On 20 -120
On 20 - 120
Off Power down
On
10 - 60
On
10 - 60
On
10 - 60
Off Power down
Off 0 - 160
Off 0 - 160
Off 0 - 160
Pin Descriptions
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
ICLK
VDD
VDD
S3
GND
GND
S2
S0
S1
OE
CLK/2
CLK
CLK
DC
DC
DC
Type
CI
P
P
I
P
P
I
I
I
I
O
O
O
-
-
-
Description
Input Clock. Connect to a CMOS level input clock.
Connect to +3.3V or +5.0V.
Connect to +3.3V or +5.0V.
Clock Select Pin 3. See above table.
Connect to ground.
Connect to ground.
Clock Select Pin 2. See above table.
Clock Select Pin 0. See above table.
Clock Select Pin 1. See above table.
Output Enable. Tri-states all clock outputs when low.
Clock Output divided by 2. See above table.
Clock Output. See above table.
Inverted Clock Output. See above table.
Don't Connect. Do not connect anything to this pin.
Don't Connect. Do not connect anything to this pin.
Don't Connect. Do not connect anything to this pin.
Key: I = Input; O = Output; P = Power Supply connection; CI = Clock Input
MDS 548-03
2
Revision 042700
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