參數資料
型號: SY87701LZG
廠商: MICREL INC
元件分類: 數字傳輸電路
英文描述: 3.3V 32-1250Mbps AnyRate CLOCK AND DATA RECOVERY
中文描述: CLOCK RECOVERY CIRCUIT, PDSO28
封裝: 0.300 INCH, LEAD FREE, SOIC-28
文件頁數: 10/14頁
文件大小: 161K
代理商: SY87701LZG
SY87701L
10
Micrel, Inc.
M9999-111506
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
1.5
μ
F
GND
C4
R6
50
1.0
μ
F
V
CC
V
CC
GND
R2
R1
R3
R4
C9
0.1
μ
F
C8
22
μ
F
C7
0.1
μ
F
C6
22
μ
F
Ferrite Bead
BLM21A102
FB1
(R17 - R22)
5k
x 6
Diode D1
1N4148
C14
0.1
μ
F
C15
C16
C17
C18
C19
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
R
R
R
R
R
R
Capacitor Pads
(1206 format)
RDIN
C1
C2
0.1
μ
F
C13
14
8
1
7
120
R21
V
CC
NC
D
S
REFCLK
(TTL)
LOOP FILTER
NETWORK
V
CC
Stand Off
R7
1k
XTAL
Oscillator
If V
= +3.3V:
R9 through R14 = 220
See Table 1
J1
V
CC
R8
130
LED
D2
GND
Pin 1 (VCCA)
Pin 28 (VCC)
Pin 23 (VCCO)
Pin 20 (VCCO)
C5
C10
C11
C12
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
V
CC
For AC-Coupling Only
For DC Mode Only
C1 = C2 = 0.1
μ
F
R1 = R2 = 680
R3 = R4 = 1k
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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