參數(shù)資料
型號: SY87700VZCTR
廠商: MICREL INC
元件分類: 數(shù)字傳輸電路
英文描述: 5V/3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
中文描述: CLOCK RECOVERY CIRCUIT, PDSO28
封裝: 0.300 INCH, SOIC-28
文件頁數(shù): 11/15頁
文件大小: 586K
代理商: SY87700VZCTR
SY87700V
11
Micrel, Inc.
M9999-111406
hbwhelp@micrel.com or (408) 955-1690
28-PIN APPLICATION EXAMPLE
S
G
1
2
3
4
5
6
DIVSEL1
VCC
RDOUTP
1
2
3
4
5
12
6
11
7
10
8
9
DIVSEL2
RDINP
LFIN
RDINN
VCCA
FREQSEL1
REFCLK
CD
RDOUTN
VCCO
RCLKP
RCLKN
FREQSEL2
17
18
19
20
21
22
23
24
25
26
27
28
PLLSP
PLLSN
N/C
FREQSEL3
VCCO
TCLKP
TCLKN
CLKSEL
13
16
GND
PLLRP
14
15
GND
PLLRN
C3
R5
80
1.5μF
GND
C4
R6
50
1.0μF
VCC
VCC
GND
R2
R1
R3
R4
C9
0.1μF
C8
22μF
C7
0.1μF
C6
22μF
Ferrite Bead
BLM21A102
FB1
(R17 - R22)
5k
x 6
Diode D1
1N4148
C14
0.1μF
C15
C16
C17
C18
C19
0.1μF
0.1μF
0.1μF
0.1μF
0.1μF
R
R
R
R
R
R
Capacitor Pads
(1206 format)
RDIN
C1
C2
0.1μF
C13
14
8
1
7
120
R21
VCC
NC
D
S
REFCLK
(TTL)
LOOP FILTER
NETWORK
VCC
Stand Off
R7
1k
XTAL
Oscillator
If VCC = +3.3V:
R9 through R14 = 220
See Table 1
J1
VCC
R8
130
LED
D2
GND
Pin 1 (VCCA)
Pin 28 (VCC)
Pin 23 (VCCO)
Pin 20 (VCCO)
C5
C10
C11
C12
0.1μF
0.1μF
0.1μF
0.1μF
VCC
If VCC = +5V:
R9 through R14 = 33
0
For AC-Coupling Only
when V
CC
= +5V
C1 = C2 = 0.1
μ
F
R1 = R2 = 1.2k
R3 = R4 = 3.4k
Table 1.
when V
CC
= +3.3V
C1 = C2 = 0.1
μ
F
R1 = R2 = 680
R3 = R4 = 1k
For DC Mode Only
when V
CC
= +5V
C1 = C2 = Shorted
R1 = R2 = 82
R3 = R4 = 130
when V
CC
= +3.3V
C1 = C2 = Shorted
R1 = R2 = 130
R3 = R4 = 82
Note 1.
C5 and C10–C12 are decoupling capacitors and should be kept
as close to the power pins as possible.
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