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參數(shù)資料
| 型號(hào)： | SY69753LHI |
| 廠商： | MICREL INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 3.3V 125 MBPS 155 MBPS CLOCK AND DATA RECOVERY |
| 中文描述： | CLOCK RECOVERY CIRCUIT, PQFP32 |
| 封裝： | TQFP-32 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 86K |
| 代理商： | SY69753LHI |
1
SY69753L
Micrel
3.3V, 125Mbps 155Mbps
CLOCK and DATA RECOVERY
SY69753L
Rev.: B
Issue Date:
Amendment: /2
September 2003
DESCRIPTION
FEATURES
I
Industrial temperature range (–40
°
C to +85
°
C)
I
3.3V power supply
I
SONET/SDH/ATM compatible
I
Clock and data recovery for 125Mbps/155Mbps NRZ
data stream
I
Two on-chip PLLs: one for clock generation and
another for clock recovery
I
Selectable reference frequencies
I
Differential PECL high-speed serial I/O
I
Line receiver input: no external buffering needed
I
Link fault indication
I
100k ECL compatible I/O
I
Complies with Bellcore, ITU/CCITT and ANSI
specifications for OC-3 applications
I
Available in 32-pin EPAD-TQFP
The SY69753L is a complete Clock Recovery and Data
Retiming integrated circuit for OC-3/STS-3 applications
at 155Mbps NRZ. The device is ideally suited for SONET/
SDH/ATM applications and other high-speed data
transmission systems.
Clock recovery and data retiming is performed by
synchronizing the on-chip VCO directly to the incoming
data stream. The VCO center frequency is controlled by
the reference clock frequency and the selected divide
ratio. On-chip clock generation is performed through the
use of a frequency multiplier PLL with a byte rate source
as reference.
The SY69753L also includes a link fault detection
circuit.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
APPLICATIONS
I
Ethernet media converter
I
SONET/SDH/ATM OC-3
I
Proprietary architectures at 135Mbps to 180Mbps
BLOCK DIAGRAM
PHASE
DETECTOR
FRPHASE/
DETECTOR
CPUMP
VCO
CHARGE
PUMP
VCO
LINK FAULT
DETECTION
DIVIDER
BY 8, 10, 16, 20
REFCLK
(TTL)
CD (PECL)
RDINN
RDINP
(PECL)
PLLR P/N
CLKSEL
(TTL)
RDOUTP
(PECL)
RCLKP
(PECL)
RCLKN
RDOUTN
PLLS P/N
DIVSEL 1/2
(TTL)
TCLKP
(PECL)
TCLKN
V
CC
V
CCA
V
CCO
GND
1
0
0
1
FPHASE/
DETECTOR
LFIN
(TTL)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY69753LHI TR | 功能描述:IC CLOCK/DATA RECVRY 3.3V 32TQFP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| SY69753LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 125Mbps, 155Mbps Clock and Data Recovery |
| SY69753LHYTR | 制造商:Micrel Inc 功能描述:3.3V,125MBPS, 155MBPS CLOCK AND DATA RECOVERY |
| SY69754AL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 622Mbps Clock and Data Recovery |
| SY69754AL_07 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 622Mbps Clock and Data Recovery |
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