Cirrus-logic CS8952 Manual do Utilizador descarregar pdf (Página 14)

CS8952

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver 14

DS206F1

10BASE-T SERIAL RECEIVE TIMING

Parameter Symbol Min Typ Max Unit

RX+/- active to RXD[0] active t

DATA

- - 1200 ns

RX+/- active to CRS active t

CRS

--600ns

RXD[0] setup from RX_CLK t

RDS

35 - - ns

RXD[0] hold from RX_CLK t

RDH

50 - - ns

RX_CLK hold after CRS off t

RCH

5--ns

RXD[0] throughput delay t

RD

--250ns

CRS turn off delay t

CRSOFF

--400ns

RX_CLK

RXD[0]

CRS

t

CRS

RX+/-

IN

OUT

OUT

t

CRSOFF

t

HD

t

SU

OUT

t

DATA

t

RD

t

RCH

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 80 81

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