SMC Networks SMC91C95 Product Manual page 130

Isa/pcmcia full duplex single-chip ethernet and modem controller with ram
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nTXEN
TXD
TXCLK
t22
t22
TXD, nTXEN Delay from TXCLK Falling
FIGURE 40 - EXTERNAL ENDEC INTERFACE - START OF TRANSMIT
RXD
RXCLK
nCRS
t23
nCRS, RXD Setup to RXCLK Falling
t24
nCRS, RXD Hold after RXCLK Falling
FIGURE 41 - EXTERNAL ENDEC INTERFACE - RECEIVE DATA (RXD SAMPLED BY
t22
Parameter
t23
t24
t23
Parameter
FALLING RXCLK)
130
min
typ
max
0
40
min
typ
max
10
30
units
ns
units
ns
ns

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