LAN91C100-FD SMSC [SMSC Corporation], LAN91C100-FD Datasheet - Page 74

• Manufacturer Part Number: LAN91C100-FD
• Description: FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
• Manufacturer: SMSC [SMSC Corporation]

Rev. 10/14/2002
nRWE0-nRWE3
nRWE0-nRWE3
nRWE0-nRWE3
t34
t35
t36
t37
t39
t54
t38
t51
RA2-RA16
RD0-RD31
RD0-RD31
RD0-RD31
RA2-RA16
RA2-RA16
Write – RA2-RA16 Setup to nRWE0-nRWE3 Falling
Write – RA2-RA16 Hold after nRWE0-nRWE3 Rising
Write – RD0-RD31 Setup to nRWE0-nRWE3 Rising
Write – RD0-RD31 Hold after nRWE0-nRWE3 Rising
Write – nRWE0-nRWE3 Pulse Width
Write – RA2-RA16 Valid to End of Write
Read – RA2-RA16 Valid to RD0-RD31 Valid
Read – RD0-RD31 Hold after RA2-RA16 Change
nROE
nROE
nROE
t38
t38
t52
t52
t34
WRITE CYCLE
t50
t50
PARAMETER
READ CYCLE
t54
t39
t39
t50
t50
t36
PRELIMINARY
Figure 9.9 - SRAM Interface
t35
t51
t51
t38
MULTIPLE READ CYCLES
t53
t37
Page 74
t50
t50
t34
WRITE CYCLE
t38
FEAST Fast Ethernet Controller with Full Duplex Capability
t54
t51
t50
t50
t39
t39
t38
t52
MIN
READ CYCLE
12
15
12
t36
0
0
0
3
t50
t50
t35
TYP
SMSC DS – LAN91C100FD Rev. D
t37
t51
MAX
15
t51
t53
t38
UNITS
ns
ns
ns
ns
ns
ns
ns
ns