SY87700LHI Micrel Inc, SY87700LHI Datasheet - Page 6

• Manufacturer Part Number: SY87700LHI
• Description: IC CLOCK/DATA RECOVERY 32-TQFP
• Manufacturer: Micrel Inc
• Type: Clock and Data Recovery (CDR)r

Specifications of SY87700LHI

• 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: Contains lead / RoHS non-compliant

M9999-111406
[e-mail] or [phone]
Micrel, Inc.
Notes:
1. SY87700L operates from 32-175MHz. For higher speed applications, the SY87701L operates from 32MHz to 1250MHz.
2. X is a DON'T CARE.
FREQUENCY SELECTION TABLE
REFERENCE FREQUENCY SELECTION
DIVSEL1
FREQSEL1
0
0
1
1
0
1
1
1
1
0
0
DIVSEL2
FREQSEL2
0
1
0
1
1
0
0
1
1
1
0
f
RCLK
/f
10
16
20
8
REFCLK
FREQSEL3
X
1
0
1
0
1
0
(2)
6
Wide Range
R5 = 350Ω
C3 = 1.0µF
Wide Range
R6 = 680Ω
C4 = 1.0µF
Note:
1. Suggested Values. Values may vary for different applications.
LOOP FILTER COMPONENTS
(X7R Dielectric)
(X7R Dielectric)
f
PLLSP
PLLRP
VCO
12
16
24
—
—
/f
6
8
RCLK
R5
R6
f
RCLK
C3
C4
Data Rates (Mbps)
PLLSN
PLLRN
undefined
undefined
125 - 175
94 - 157
63 - 104
(1)
47 - 78
32 - 52
SY87700L