Datasheet > NWK914B

NWK914B

更新时间： 2024-11-28 03:16:43

品牌	Logo	应用领域
加拿大卓联 - ZARLINK		/
页数	文件大小	规格书
9页	160K
描述
PHY/PMD High Speed Copper Media Transceiver

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数据手册

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NWK914B 数据手册

NWK914D

PHY/PMD High Speed Copper Media Transceiver

Preliminary Information

DS4829 - 1.1 December 1997

The NWK914D is a Physical Layer device designed for

use in 100BASE-TX applications. The NWK914D has

integrated the 100mb/s transceiver, clock and data recovery

and NRZI conversion circuitry. It is designed for use in cost

effective NIC adapter cards and 100BASE-TX repeater and

switch applications.

The device connects through a 5 bit symbol interface

directly with any MAC controller that includes the PCS layer,

resulting in a simple and cost effective solution. It will also

interface with a PCS device such as the NWK935 to form a

complete 100BASE-TX Physical Layer for connection to the

IEEE 802.3 standard MII interface.

TTLGND

N/C

39 TTLGND

TEST

N/C

RXC

SDT

TESTIP

N10/100

35 LBEN

34 TDLV

RDLV

33 TXOE

N/C

TXPLLV

RXPLLGND

31 LFTA

LFRB 10

LFRA 11

LFTB

29 TXPLLGND

RXPLLV

BGAPGND

SUBGND

RXV

FEATURES

■ Compatible with IEEE-802.3 Standards

■ Operates over 100 Meters of STP and Category 5

UTP cable

■ Five Bit TTL Level Symbol Interface

■ Integrated Clock and Data Recovery

■ Supports Full-duplex Operation

■ Integral 10 Mb/s Buffer for Dual 10 Mb/s & 100 Mb/s

Applications

GP52

Fig.1 Pin connections - top view

■ Single +5V supply

■ Adaptive Equalization

■ 52 Pin PQFP package

■ 25MHz to 125MHz Transmit Clock Multiplier

■ Programmable TX Output Current

■ Base Line Wander Correction

ORDERING INFORMATION

NWK914D/CG/GP1N

MII

Symbol

Interface

MAC or

Repeater

Controller

NWK935

100 PCS

Isolation

Magnetics

NWK914D

RJ-45

Fig.2 Simplified system diagram

12 3 4 5 6 7...9

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