SMC91C95 Ver la hoja de datos (PDF) - SMSC -> Microchip

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SMC91C95

ISA/PCMCIA Full Duplex Single-Chip Ethernet and Modem Controller with RAM

SMSC -> Microchip 

RECP

RECN

nCRS

(internal)

1

0

1

0

1

0

1

0

1

0

t35

first bit decoded

t36

1

0

1

0

1

0

1

0

1

0

TPERXP(N)

nCRS

(internal)

t37

t38

first bit decoded

Parameter

min

typ

max

units

t35 Noise Pulse Width Reject (AUI)

15

25

30

ns

t36 Carrier Sense Turn On Delay (AUI)

50

70

100

ns

t37 Noise Sense Pulse Width Reject (10BASE-T) 15

25

30

ns

t38 Carrier Sense Turn On Delay (10BASE-T) 450

500

550

ns

FIGURE 43 - RECEIVE TIMING - START OF FRAME (AUI AND 10BASE-T)

132

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