參數(shù)資料
型號(hào): SY87700VZC
廠商: MICREL INC
元件分類: 數(shù)字傳輸電路
英文描述: 5V/3.3V 32-175Mbps AnyRate⑩ CLOCK AND DATA RECOVERY
中文描述: CLOCK RECOVERY CIRCUIT, PDSO28
封裝: 0.300 INCH, SOIC-28
文件頁(yè)數(shù): 8/12頁(yè)
文件大小: 152K
代理商: SY87700VZC
SY87700V
8
Micrel
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
VCC
VCC
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
R23
VCC
NC
D
S
REFCLK
(TTL)
LOOP FILTER
NETWORK
VCC
Stand Off
R7
XTAL
Oscillator
If VCC = +5V:
R9 through R14 = 330
If VCC = +3.3V:
R9 through R14 = 220
See Table 1
J1
R8
VCC
R10
Q1
2N2222A
LED
D2
R9
VCC
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
VCC
For AC coupling only
when VCC = +5V
when VCC = +3.3V
C1 = C2 = 0.1
μ
F
R1 = R2 = 1.2k
R3 = R4 = 3.4k
C1 = C2 = 0.1
μ
F
R1 = R2 = 680
R3 = R4 = 1k
Table 1.
For DC mode only
when VCC = +5V
when VCC = +3.3V
C1 = C2 = Shorted
C1 = C2 = Shorted
R1 = R2 = 82
R3 = R4 = 130
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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