LAN91C110 Ver la hoja de datos (PDF) - SMSC -> Microchip
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LAN91C110 Datasheet PDF : 56 Pages
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FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit Applications
Datasheet
RA2-RA16
nRWE0-nRWE3
nROE
RD0-RD31
RA2-RA16
nRWE0-nRWE3
nROE
RD0-RD31
t50
t54
t34
t35
t39
t36
t37
t50
t38
t51
t52
t53
WRITE CYCLE
t50
t38
t51
t52
t53
READ CYCLE
t50
t54
t34
t35
t39
t36
t37
READ CYCLE
WRITE CYCLE
RA2-RA16
nRWE0-nRWE3
nROE
RD0-RD31
t38
t52
t50
t51
t38
t51
t38
MULTIPLE READ CYCLES
Figure 7.4 - SRAM Interface
t51
t38
PARAMETER
t34 Write – RA2-RA16 Setup to nRWE0-nRWE3 Falling
t35 Write – RA2-RA16 Hold after nRWE0-nRWE3 Rising
t36 Write – RD0-RD31 Setup to nRWE0-nRWE3 Rising
t37 Write – RD0-RD31 Hold after nRWE0-nRWE3 Rising
t39 Write – nRWE0-nRWE3 Pulse Width
t54 Write – RA2-RA16 Valid to End of Write
t38 Read – RA2-RA16 Valid to RD0-RD31 Valid
t51 Read – RD0-RD31 Hold after RA2-RA16 Change
t52 Read – nROE enable to RD0-RD31 Valid
t53 Read – nROE disable to RD0-RD31 Invalid
t50 Read/Write – Cycle Time
MIN TYP MAX
0
0
12
0
15
12
15
3
12
0
8
25
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SMSC LAN91C110 Rev. B
Page 53
DATASHEET
Revision 1.0 (11-04-08)
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