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Номер в каталоге
Компоненты Описание
SY87700 Просмотр технического описания (PDF) - Micrel
Номер в каталоге
Компоненты Описание
производитель
SY87700
CDR EVALUATION KIT
Micrel
SY87700 Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
Micrel
DESCRIPTION OF CONNECTORS
Connector
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
Name
RDIN+_S
RDIN
–
_S
REFCLK
–
S
RDIN+_F
RDIN
–
_F
REFCLK_F
TCLK
–
TCLK+
RCLK
–
RCLK+
RDOUT
–
RDOUT+
Type
PECL
PECL
TTL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
Connects to
28-pin SOIC
Pin 4
Pin 5
Pin 7
Pin 4
Pin 5
Pin 7
Pin 18
Pin 19
Pin 21
Pin 22
Pin 24
Pin 25
32-pin TQFP
Pin 2
Pin 3
Pin 5
Pin 2
Pin 3
Pin 5
Pin 17
Pin 18
Pin 20
Pin 21
Pin 23
Pin 24
Description
RDIN+ (Sense)
RDIN
–
(Sense)
REFCLK
–
(Sense)
RDIN+ (Force)
RDIN
–
(Force)
REFCLK
–
(Force)
TCLK
–
(Output)
TCLK+ (Output)
RCLK
–
(Output)
RCLK+ (Output)
RDOUT
–
(Output)
RDOUT+ (Output)
SY87700/701
Evaluation Board
ALL POSSIBLE LEGAL FREQUENCY AND DIVIDER SELECTIONS
FREQSEL1
0
1
1
1
1
0
0
FREQSEL2
1
0
0
1
1
1
0
FREQSEL3
1
0
1
0
1
0
X
(2)
f
VCO
/f
RCLK
6
8
12
16
24
—
—
f
RCLK
Data Rates (Mbps)
125
–
175
94
–
157
63
–
104
47
–
78
32
–
52
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NOTES:
1. SY87700L operates from 32-175MHz. For higher speed applications, the SY87701L operates from 32-1250MHz.
2. X is a DON'T CARE.
DIVSEL1
0
0
1
1
DIVSEL2
0
1
0
1
f
RCLK
/ f
REFCLK
8
10
16
20
Table 1. M-Divider, f
RCLK
/ f
REFCLK
Divider Setting
5
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