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| 型号： | 78Q2123/F |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/38页 |
| 文件大小： | 0K |
| 描述： | TXRX 10/100 MDIX 3.3V COMM 32QFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 490 |
| 类型： | PHY 收发器 |
| 驱动器/接收器数： | 4/4 |
| 规程： | IEEE 802 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 管件 |
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78Q2123/78Q2133 MicroPHY
10/100BASE-TX Transceiver
Simplifying System Integration
TM
DATA SHEET
April 2010
Rev. 1.6
2010 Teridian Semiconductor Corporation
1
DESCRIPTION
The 78Q2123 and 78Q2133, MicroPHY
TM, are the
smallest 10BASE-T/100BASE-TX Fast Ethernet
transceivers in the market. They include integrated
MII, ENDECs, scrambler/descrambler, dual-speed
clock recovery, and full-featured auto-negotiation
functions. The transmitter includes an on-chip pulse-
shaper and a low-power line driver. The receiver has
an adaptive equalizer and a baseline restoration
circuit required for accurate clock and data recovery.
The transceiver interfaces to Category-5 unshielded
twisted pair (Cat-5 UTP) cabling for 100BASE-TX
applications, and Category-3 unshielded twisted pair
(Cat-3 UTP) for 10BASE-T applications. The MDI is
connected to the line media via dual 1:1 isolation
transformers. No external filter is required. Interface
to the MAC is accomplished through an IEEE-802.3
compliant Media Independent Interface (MII). The
78Q2123/78Q2133 are intended to serve the
embedded Ethernet market, tailored specifically to the
needs of game consoles, broadband modems,
printers, set top boxes and audio/visual equipment. It
is designed for low-power consumption and operates
from a single 3.3V supply. The 78Q2123 is rated for
commercial temperature range and the 78Q2133 is
rated for industrial temperature range.
FEATURES
Smallest 10/100 PHY available
10BASE-T/100BASE-TX IEEE-802.3 compliant
TX and RX functions requiring a dual 1:1 isolation
transformer interface to the line
Integrated MII, 10BASE-T/100BASE-TX ENDEC,
100BASE-TX scrambler/descrambler, and
full-featured auto-negotiation function
Full duplex operation capable
Automatic MDI/MDI-X cross over correction
Register-programmable transmit amplitude
Automatic polarity correction during auto-
negotiation and 10BASE-T signal reception
Power-saving and power-down modes including
transmitter disable
2 Programmable LED indicators (Link and
Activity by default)
User programmable Interrupt pin
Package:
32-QFN (5x5 mm)
Low Power (~290mW)
Single 3.3 V
± 0.3V Supply
78Q2123 rated for 0°C to 70°C operation
78Q2133 rated for -40°C to 85°C operation
SMI
TXD
RXD
TXC
RXC
MII
Registers
4B/5B Encoder,
Scrambler,
Parallel/Serial
Parallel/Serial,
Manchester Encoder
Manchester Decoder,
Parallel/Serial
Serial/Parallel
Descrambler,
5B/4B Decoder
MRZ/NRZI
MLT3 Encoder
TX CLK GEN
Carrier Sense,
Collision Detect
CLK
Recovery
Clock Reference
10M
CLKIN 25MHz
Pulse Shaper
and Filter
Auto
Negotiation
Adaptive EQ,
Baseline Wander Correct,
MLT3 Decode, NRZI/NRZ
LEDs
Link
Act
Auto
MDI-X
Mux
10M
100M
Rx/Tx
Tx/Rx
MII
100M
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78Q2123R/F | 功能描述:以太网 IC 10/100 Fast Ethernet MicroPHY RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| 78Q2123R/F1 | 功能描述:以太网 IC RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| 78Q2123S/F | 功能描述:1/1 Transceiver Full Ethernet 16-TQFN (5x5) 制造商:maxim integrated 系列:MicroPHY?? 包装:管件 零件状态:有效 类型:收发器 协议:以太网 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商器件封装:16-TQFN（5x5） 标准包装:60 |
| 78Q2123SR/F | 功能描述:1/1 Transceiver Full Ethernet 16-TQFN (5x5) 制造商:maxim integrated 系列:MicroPHY?? 包装:带卷（TR） 零件状态:有效 类型:收发器 协议:以太网 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商器件封装:16-TQFN（5x5） 标准包装:2,500 |
| 78Q2132 | 制造商:TDK 制造商全称:TDK Electronics 功能描述:1/10BASE-T HomePNA/Ethernet Transceiver |
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