CS8952(2001) Просмотр технического описания (PDF) - Cirrus Logic

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Компоненты Описание

производитель

CS8952
(Rev.:2001)

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

100BASE-TX MII TRANSMIT TIMING - 4B/5B ALIGN MODES

Parameter

Symbol

Min

Typ

TXD[3:0] Setup to TX_CLK High

TX_EN Setup to TX_CLK High

TXD[3:0] Hold after TX_CLK High

TX_ER Hold after TX_CLK High

TX_EN Hold after TX_CLK High

TX_EN “high” to CRS asserted latency

tSU1

10

-

tSU2

10

-

tHD1

0

-

tHD2

0

-

tHD3

0

-

tCRS1

-

TX_EN “low” to CRS de-asserted latency

tCRS2

-

TX_EN “high” to TX+/- output (TX Latency)

tLAT

6

7

CS8952

Max

Unit

-

ns

-

ns

-

ns

-

ns

-

ns

8

BT

8

BT

8

BT

TX_CLK

tSU2

TX_EN

tHD2

TXD[3:0],

TX_ER/TXD4

CRS

tSU1

tHD1

Data

IN

tCRS1

TX+/-

tLAT

Symbol

Out

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

tCRS2

Input/Output

Input

Input

Output

Output

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