LAN91C111_11 Datasheet, PDF (117/133 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
0ns
nDATACS
Read Data
nRD,nWR
Write Data
50ns
t1A
100ns
150ns
Asynchronous Cycle - nADS=0
t2
200ns
t3A
t6A
t4
valid
t5
t5A
D0~D31 valid
250n
Figure 14.3 Asynchronous Cycle - nADS=0
PARAMETER
MIN TYP MAX UNITS
t1A
nDATACS Setup to nRD, nWR Active
2
t2
nDATACS Hold After nRD, nWR Inactive (Assuming nADS Tied 5
Low)
t3A
nRD Low to Valid Data
t4
nRD High to Data Invalid
2
t5
Data Setup to nWR Inactive
10
t5A
Data Hold After nWR Inactive
5
t6A
nRD Strobe Width
30
ns
ns
30
ns
15
ns
ns
ns
ns
Address, AEN, nBE[3:0]
nRD, nWR
ARDY
Data
Valid Address
t26
t26A
t13
Valid
Valid Address
Valid Data
SMSC LAN91C111 REV C
Figure 14.4 Asynchronous Ready
117
DATASHEET
Revision 1.92 (06-27-11)