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SY87700VZHTR 查看數據表(PDF) - Micrel
零件编号
产品描述 (功能)
生产厂家
SY87700VZHTR
5V/3.3V 32-175Mbps AnyRate® CLOCK AND DATA RECOVERY
Micrel
SY87700VZHTR Datasheet PDF : 15 Pages
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Micrel, Inc.
28-PIN APPLICATION EXAMPLE
SY87700V
123456
VCC
(R17 - R22)
5k
Ω
x 6
R8
130
Ω
LED
D2
GND
Capacitor Pads
VCC
(1206 format)
R1
R2
RDIN
C1
C2
R3
R4
See Table 1
GND
1 VCCA
2 LFIN
3
DIVSEL1
4 RDINP
5 RDINN
6 FREQSEL1
7 REFCLK
8
FREQSEL2
9 FREQSEL3
LOOP FILTER
NETWORK
REFCLK
(TTL)
NC
80
Ω
R5
C3
1.5µF
10 N/C
11
PLLSP
12
PLLSN
13
GND
14 GND
GND
XTAL
Oscillator
14
1
0.1µF
C13
VCC
8
7
120
Ω
R21
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
0.1µF
FB1
22µF
0.1µF
22µF
C9
C8
C7
C6
0.1µF
0.1µF
C14
C15
J1
VCC
R7
Diode D1
1k
Ω
1N4148
0.1µF
0.1µF
C16
C17
R6
50Ω
C4
1.0µF
0.1µF
0.1µF
C18
C19
If VCC = +5V:
R9 through R14 = 33
0
Ω
If VCC = +3.3V:
R9 through R14 = 220
Ω
VCC
C5
Pin 1 (VCCA)
0.1µF
C10
Pin 28 (VCC)
0.1µF
C11
Pin 23 (VCCO)
0.1µF
C12
Pin 20 (VCCO)
0.1µF
Note 1. C5 and C10–C12 are decoupling capacitors and should be kept
as close to the power pins as possible.
For AC-Coupling Only
when V
CC
= +5V
C1 = C2 = 0.1
µ
F
when V
CC
= +3.3V
C1 = C2 = 0.1
µ
F
R1 = R2 = 1.2k
Ω
R1 = R2 = 680
Ω
R3 = R4 = 3.4k
Ω
R3 = R4 = 1k
Ω
Table 1.
For DC Mode Only
when V
CC
= +5V
C1 = C2 = Shorted
when V
CC
= +3.3V
C1 = C2 = Shorted
R1 = R2 = 82
Ω
R1 = R2 = 130
Ω
R3 = R4 = 130
Ω
R3 = R4 = 82
Ω
M9999-111406
hbwhelp@micrel.com or (408) 955-1690
11
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