SY87700ALHG TR Micrel Inc, SY87700ALHG TR Datasheet - Page 8

• Manufacturer Part Number: SY87700ALHG TR
• Description: 3.3V 32Mbps-175Mbps CDR (I Temp, Green/32 Pin TQFP/T+R)
• Manufacturer: Micrel Inc
• Type: Clock and Data Recovery (CDR)r

Specifications of SY87700ALHG TR

• Input: PECL, TTL
• Output: PECL, TTL
• Frequency - Max: 1.25GHz
• Voltage - Supply: 3.15 V ~ 3.45 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP Exposed Pad, 32-eTQFP, 32-HTQFP, 32-VQFP
• Frequency-max: 1.25GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SY87700ALHGTR; SY87700ALHGTR

Micrel, Inc.
.
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.
August 2009
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]
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94 to 156
63 to 104
M9999-082009-D
47 to 78
32 to 52
SY87700AL