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參數資料
型號: KSZ8721CL A2 TR
廠商: Micrel Inc
文件頁數: 1/32頁
文件大小: 0K
描述: TXRX PHY 10/100 3.3V 48-LQFP
標準包裝: 250
類型: 收發器
驅動器/接收器數: 1/1
規程: MII
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
其它名稱: KSZ8721CL A2TR
KSZ8721CL A2TR-ND
October 2004
1
M9999-100804
KS8721CL
Micrel
KS8721CL
3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
Rev. 1.0
General Description
The KS8721CL is a 10BASE-T, 100BASE-TX, and 100BASE-
FX physical layer transceiver providing MII/RMII interfaces to
MACs and switches. Using a unique mixed-signal design that
extends signaling distance while reducing power consump-
tion, the KS8721CL represents Micrel’s fourth generation
single-port Fast Ethernet PHY.
The KS8721CL contains 10BASE-T physical medium attach-
ment (PMA), physical medium dependent (PMD), and physi-
cal coding sub-layer (PCS) functions. It also has on-chip
10BASE-T output filtering. This eliminates the need for
external filters and allows a single set of line magnetics to be
used to meet requirements for both 100BASE-TX and
10BASE-T.
The KS8721CL automatically configures itself for 100Mbps
or 10Mbps and full- or half-duplex operation, using an on-chip
auto-negotiation algorithm. It is the ideal physical layer
transceiver for 100BASE-TX/10BASE-T applications.
Features
Single chip 100BASE-TX/100BASE-FX/10BASE-T
physical layer solution
2.5V CMOS design; 2.5/3.3V tolerance on I/O
3.3V single power supply with built-in voltage regulator;
Power consumption <340mW (including output driver
current)
Fully compliant to IEEE 802.3u standard
Supports MII and Reduced MII (RMII)
Supports 10BASE-T, 100BASE-TX, and 100BASE-FX
with far-end-fault (FEF) detection
Supports power-down and power-saving modes
Configurable through MII serial management ports or via
external control pins
Supports auto-negotiation and manual selection for
10/100Mbps speed and full-/half-duplex modes
On-chip, built-in, analog front-end filtering for both
100BASE-TX and 10BASE-T
Available in Lead-free and Industrial Temperature
packages
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
Functional Diagram
10/100
Pulse
Shaper
NRZ/NRZI
MLT3 Encoder
Parallel/Serial
Manchester Encoder
4B/5B Encoder
Scrambler
Parallel/Serial
Transmitter
TX+
TX-
Adaptive EQ
Base Line
Wander Correction
MLT3 Decoder
NRZI/NRZ
Clock
Recovery
4B/5B Decoder
Descrambler
Serial/Parallel
Auto
Negotiation
10BASE-T
Receiver
Manchester Decoder
Serial/Parallel
PLL
LED
Driver
MII/RMII
Registers
and
Controller
Interface
RX-
RX+
XI
XO
SPD
FDX
COL
LINK
Power
Down or
Saving
PWRDWN
RXC
TXD3
TXD0
TXD1
TXD2
RXD3
TXEN
TXC
TXER
MDC
MDIO
COL
CRS
RXER
RXD0
RXD1
RXD2
RXDV
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相關代理商/技術參數
參數描述
KSZ8721CL-EVAL 功能描述:以太網開發工具 KSZ8721CL Evaluation Board RoHS:否 制造商:Micrel 產品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓:
KSZ8721SL 功能描述:以太網 IC 10/100 Base-TX/FX Physical Layer Transceiver, Single 3.3V Supply, 48-SSOP (Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發器數量:2 數據速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8721SL TR 功能描述:以太網 IC 10/100 Base-TX/FX Physical Layer Transceiver, Single 3.3V Supply, 48-SSOP (Lead Free) RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發器數量:2 數據速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8721SLA4 功能描述:TXRX 10/100 3.3V 48-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發器 系列:- 標準包裝:1,140 系列:AU 類型:收發器 驅動器/接收器數:1/1 規程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應商設備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND
KSZ8721SLA4 TR 功能描述:TRANSCEIVER 10/100 3.3V 48-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器,接收器,收發器 系列:- 標準包裝:1,140 系列:AU 類型:收發器 驅動器/接收器數:1/1 規程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應商設備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND
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