sy87700al Micrel Semiconductor, sy87700al Datasheet - Page 8

• Manufacturer Part Number: sy87700al
• Description: Sy87700al Sy87700 Low-power, 3.3v, 32mbps To 208mbps Anyrate Clock And Data Recovery
• Manufacturer: Micrel Semiconductor

August 2007
.
Frequency Selection Table
Notes:
1. SY87700AL operates from 32MHz to 208MHz. For higher speed applications, the SY87701AL operates from 28MHz to 1300MHz.
2. X is a DON’T CARE.
Reference Frequency Selection
Loop Filter Components
Note:
1. Suggested values. Values may vary for different applications.
FREQSEL1
0
1
1
1
1
0
0
R5 = 350Ω
C3 = 1.0µF (X7R Dielectric)
FREQSEL2
(1)
1
0
0
1
1
1
0
DIVSEL1
0
0
1
1
FREQSEL3
DIVSEL2
X
0
1
0
1
1
0
1
0
1
0
(2)
8
f
RCLK
R5 = 680Ω
C3 = 1.0µF (X7R Dielectric)
/f
10
16
20
8
REFCLK
f
VCO
12
16
24
—
—
[e-mail]
/f
6
8
RCLK
f
RCLK
Data Rates (Mbps)
125 to 208
or [phone]
undefined
undefined
94 to 156
63 to 104
M9999-082107-C
47 to 78
32 to 52