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IDT77V107L25PF PDF预览

IDT77V107L25PF

更新时间: 2024-01-14 05:17:46
品牌 Logo 应用领域
艾迪悌 - IDT 异步传输模式ATM
页数 文件大小 规格书
24页 311K
描述
Single ATM PHY for 25.6 and 51.2 Mbps with Utopia Level 2

IDT77V107L25PF 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:LFQFP, QFP100,.63SQ,20
针数:100Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.88
Is Samacsys:N应用程序:ATM
JESD-30 代码:S-PQFP-G100JESD-609代码:e0
长度:14 mm湿度敏感等级:3
功能数量:1端子数量:100
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装等效代码:QFP100,.63SQ,20封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):240
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:ATM/SONET/SDH ICs
标称供电电压:3.3 V表面贴装:YES
技术:CMOS电信集成电路类型:ATM/SONET/SDH NETWORK INTERFACE
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:20
宽度:14 mmBase Number Matches:1

IDT77V107L25PF 数据手册

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IDT77V107  
Single ATM PHY for 25.6 and  
51.2 Mbps with Utopia Level 2  
layer device such as a SAR or a switch ASIC. The IDT77V107 also  
operates at 51.2 Mbps and is well suited to backplane driving applica-  
tions. The 77V107 has an 8-bit UTOPIA Level 2 interface on the cell  
side.  
Features List  
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Performs the PHY-Transmission Convergence (TC) and  
Physical Media Dependent (PMD) Sublayer functions of the  
Physical Layer  
Compliant to ATM Forum (af-phy-040.000) and ITU-T I.432.5  
specifications for 25.6 Mbps physical interface  
Also operates at 51.2Mbps  
The IDT77V107 is fabricated using IDT's state-of-the-art CMOS tech-  
nology, providing the highest levels of integration, performance and reli-  
ability, with the low-power consumption characteristics of CMOS.  
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8-bit Utopia Level 2 Interface  
77V107 Overview  
3-Cell Transmit & Receive FIFOs  
The 77V107 is a physical layer interface chip for 25.6Mbps ATM  
network communications as defined by ATM Forum document af-phy-  
040.000 and ITU-T I.432.5. The physical layer is divided into a Physical  
Media Dependent sub layer (PMD) and Transmission Convergence (TC)  
sub layer. It is based on the 77V106.  
Receiver Auto-Synchronization and Good Signal Indication  
Supports UTP Category 3 physical media  
Interfaces to standard magnetics  
Low-Power CMOS  
3.3V supply with 5V tolerant inputs  
The PMD sub layer includes the functions for the transmitter, receiver  
and clock recovery for operation across 100 meters of category 3  
unshielded twisted pair (UTP) cable. This is referred to as the Line Side  
Interface.  
100-lead TQFP Package (14 x 14 mm)  
Commercial and Industrial temperature ranges  
Description  
The IDT77V107 is a member of IDT's family of products supporting  
Asynchronous Transfer Mode (ATM) data communications and  
networking. The IDT77V107 implements the physical layer for 25.6  
Mbps ATM, connecting a serial copper link (UTP Category 3) to an ATM  
The TC sub layer defines the line coding, scrambling, data framing  
and synchronization. Transmitted cells are first scrambled, then pass  
through a 4b5b encoder and are finally NRZI encoded. In the 4b5b  
encoder, 4-bit nibbles are converted to 5-bit symbols via a look-up table.  
In addition to the 16 valid data symbols, a 17th symbol is used for a  
special escape (X) symbol. This symbol has the property of being  
Functional Block Diagram  
TxLED  
TxREF  
Line  
Driver  
TxAddr[4:0]  
TxCLK  
TxDATA  
TxSOC  
TxEN  
3 CELL FIFO  
TXD+  
P/S  
NRZI  
9
SCRAMBLER  
PRNG  
4B/5B  
ENCODER  
TXD-  
TXCLAV  
ALE  
W R  
R D  
C S  
AD[7:0]  
UTILITY  
BUS  
CONTROLLER  
LOOP BACK  
8
INT  
RESET  
RESET  
RxAddr[4:0]  
RxCLK  
RxDATA  
RxSOC  
RxE N  
Line  
RxVR  
9
RxD+  
RxD-  
S/P  
DNRZI  
5B/4B  
DECODER  
3 CELL FIFO  
DESCRAMBLER  
CLK  
REC  
RXCLAV  
RxREF  
M1, M0  
MODE SELECT  
77V107  
5362 drw 01  
OSC  
RxLED  
1 of 24  
July 3, 2001  
DSC 5362/2  
2001 Integrated Device Technology, Inc.  

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