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SY87701LHI(2000) 데이터 시트보기 (PDF) - Micrel
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SY87701LHI
(Rev.:2000)
3.3V 32-1250Mbps AnyRate™ CLOCK AND DATA RECOVERY
Micrel
SY87701LHI Datasheet PDF : 12 Pages
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Micrel
APPLICATION EXAMPLE
SY87701L
GND
Q1
R10
2N2222A
123456
VCC
(R17 - R22)
5k
Ω
x 6
LED
D2
R9
VCC
VCC
Capacitor Pads
(1206 format)
R1
R2
C1
RDIN
C2
R3
R4
See Table 1
GND
LOOP FILTER
NETWORK
REFCLK
(TTL)
NC
1 VCCA
2 LFIN
3
DIVSEL1
4 RDINP
5 RDINN
6 FREQSEL1
7 REFCLK
8
FREQSEL2
9 FREQSEL3
80
Ω
R5
C3
1.5
µ
F
10 N/C
11
PLLSP
12
PLLSN
13
GND
14 GND
GND
VCC 28
CD 27
DIVSEL2 26
RDOUTP 25
RDOUTN 24
VCCO 23
RCLKP
22
RCLKN 21
VCCO 20
TCLKP 19
TCLKN
18
CLKSEL 17
PLLRP 16
PLLRN 15
Ferrite Bead
BLM21A102
VCC
Stand Off
0.1
µ
F FB1 22
µ
F 0.1
µ
F 22
µ
F
C9
C8
C7
C6
DIODE D1
1N4148
R7
VCC
R6
50
Ω
C4
1.0
µ
F
0.1
µ
F
0.1
µ
F
C14
C15
0.1
µ
F
0.1
µ
F
C16
C17
0.1
µ
F
0.1
µ
F
C18
C19
If VCC = +5V:
R9 through R14 = 330
Ω
If VCC = +3.3V:
R9 through R14 = 220
Ω
J1
R8
VCC
XTAL
Oscillator
14
1
0.1
µ
F
C13
8
7
120
Ω
R23
VCC
C5
Pin 1 (VCCA)
0.1
µ
F
C10
Pin 28 (VCC)
0.1
µ
F
C11
Pin 23 (VCCO)
0.1
µ
F
C12
Pin 20 (VCCO)
0.1
µ
F
For AC coupling only
C1 = C2 = 0.1
µ
F
R1 = R2 = 680
Ω
R3 = R4 = 1k
Ω
Table 1.
For DC mode only
C1 = C2 = Shorted
R1 = R2 = 130
Ω
R3 = R4 = 82
Ω
NOTE:
1. C5 and C10
–
C12 are decoupling capacitors and should be kept as close
to the power pins as possible.
8
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