參數(shù)資料
型號(hào): VSC8114QB2
廠商: VITESSE SEMICONDUCTOR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: COMPACT RGB SKEW COMPENSATOR
中文描述: MUX/DEMUX, PQFP100
封裝: HEAT SINK, PLASTIC, QFP-100
文件頁(yè)數(shù): 4/24頁(yè)
文件大小: 434K
代理商: VSC8114QB2
VITESSE
Data Sheet
VSC8114
ATM/SONET/SDH 622 Mb/s Transceiver Mux/Demux
with Integrated Clock Generation and Clock Recovery
Page 4
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
G52185-0, Rev 4.0
11/1/99
PECL input LOSPECL to force the part into a Loss of Signal state. Most optics have a PECL output usually
called “SD” or “FLAG” indicating the presence or lack of optical power. Depending on the optics manufacturer
this signal is either active high or active low. The LOSTTL and LOSPECL inputs are XNOR’d to generate an
internal LOS control signal. See Figure 2. The optics “SD” output should be connected to LOSPECL. The
LOSTTL input should be tied to low if the optics “SD” is active high. If it’s active low tie LOSTTL to a high.
The inverse is true if the optics use “FLAG” for loss of signal
Figure 2: Data and Clock Receive Block Diagram
Facility Loopback
The Facility Loopback function is controlled by the FACLOOP signal. When the FACLOOP signal is set
high, the Facility Loopback mode is activated and the high speed serial receive data (RXDATAIN) is presented
to the high speed transmit output (TXDATAOUT). See Figure 3. In Facility Loopback mode the high speed
receive data (RXDATAIN) is also converted to parallel data and presented to the low speed receive data output
pins (RXOUT[7:0]). The receive clock (RXCLKIN) is also divided down and presented to the low speed clock
output (RXLSCKOUT).
Figure 3: Facility Loopback Data Path
D Q
D Q
D Q
0
1
Divide-by-8
CMU
D Q
PM5355
D Q
RXOUT[7:0]
FP
RXLSCKOUT
VSC8114
CRU
RXDATAIN+/-
RXCLKIN+/-
DSBLCRU
0
1
0
1
LOSDETEN_
LOSTTL
LOSPECL
Losdet
D
Q
D
Q
S1:8
Parallel
Q
D
RXDATAIN
TXDATAOUT
RXOUT[7:0]
Q
D
TXIN[7:0]
P8:1
Serial
PLL
0
1
0
1
CRU
FACLOOP
RXCLKIN
0
1
RClock
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VSC8115 制造商:VITESSE 制造商全稱(chēng):Vitesse Semiconductor Corporation 功能描述:STS-12/STS-3 Multi Rate Clock and Data Recovery Unit
VSC8115XYA-05-T 功能描述:IC CLOCK/DATA RECOVERY 20-TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專(zhuān)用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:時(shí)鐘/頻率發(fā)生器,多路復(fù)用器 PLL:是 主要目的:存儲(chǔ)器,RDRAM 輸入:晶體 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:1:2 差分 - 輸入:輸出:無(wú)/是 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:Digi-Reel® 其它名稱(chēng):296-6719-6
VSC8115XYA-06-T 功能描述:IC CLOCK/DATA RECOVERY 20-TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專(zhuān)用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類(lèi)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(lèi)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(chēng):93786AFT
VSC8115YA 制造商:Vitesse Semiconductor Corporation 功能描述:
VSC8115YA-02 制造商:VITE 功能描述: