ICS650R-27 Integrated Circuit Systems, ICS650R-27 Datasheet - Page 3

• Manufacturer Part Number: ICS650R-27
• Description: Networking Clock Source
• Manufacturer: Integrated Circuit Systems

MDS 650-27 D
For a 25 MHz fundamental crystal or clock input, the following four tables apply:
A Clocks Select Table (outputs in MHz)
C Clocks Select Table (outputs in MHz)
For a 12.5 MHz fundamental crystal or clock input, the following four tables apply:
A Clocks Select Table (outputs in MHz)
C Clocks Select Table (outputs in MHz)
0 = connect directly to GND
M = leave unconnected (automatically self biases to VDD/2)
1 = connect directly to VDD
Integrated Circuit Systems, Inc.
ASC1
ASC1
CCS
CCS
M
M
0
0
0
1
1
1
0
1
0
0
0
1
1
1
0
1
CLKC1
CLKC1
ASC0
ASC0
62.5
37.5
Test
Test
125
75
M
M
M
M
0
1
0
1
0
1
0
1
33.3333
66.6667
16.6667
33.3333
CLKA1
CLKC2
CLKA1
CLKC2
37.5
62.5
37.5
Test
Test
Test
Test
Test
Test
100
125
75
75
50
●
525 Race Street, San Jose, CA 95126
16.6667
33.3333
16.6667
off (low)
off (low)
off (low)
off (low)
CLKA2
CLKA2
8.3333
Test
Test
Test
Test
3
B Clocks Select Table (outputs in MHz)
Reference Output Clock Frequency (in MHz)
B Clocks Select Table (outputs in MHz)
Reference Output Clock Frequency (in MHz)
REFOUT
REFOUT
BSC1
BSC1
12.5
25
0
0
0
1
1
1
0
0
0
1
1
1
●
BSC0
BSC0
tel [phone]
M
M
M
M
0
1
0
1
0
1
0
1
133.3333
66.6667
83.3333
33.3333
41.6667
66.6667
CLKB1
CLKB1
Networking Clock Source
Test
Test
Test
Test
100
50
●
www.icst.com
Revision 070505
33.3333
41.6667
66.6667
16.6667
20.8333
33.3333
CLKB2
CLKB2
ICS650-27
Test
Test
Test
Test
50
25