SMSC LAN91C111 - Manual (Page 111)

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
SMSC LAN91C111 REV C 111 Revision 1.91 (08-18-08)
DATASHEET
Figure 14.2 Asynchronous Cycle - Using nADS
PARAMETER MIN TYP MAX UNITS
t1 A1-A15, AEN, nBE[3:0] Valid to nRD, nWR Active 2 ns
t3 nRD Low to Valid Data 15 ns
t4 nRD High to Data Invalid 2 15 ns
t5 Data Setup to nWR Inactive 10 ns
t5A Data Hold After nWR Inactive 5 ns
t6 nRD Strobe Width 15 ns
t8 A1-A15, AEN, nBE[3:0] Setup to nADS Rising 8 ns
t9 A1-A15, AEN, nBE[3:0] Hold after nADS Rising 5 ns
t5A
t6
t5 t1
t4 t3
t8
t9
valid
valid
valid
0ns 50ns 100ns 150ns 200ns 250
Addr,AEN,nBE[1:0]
nADS
Read Data
nRD,nWR
Write Data
Asynchronous Cycle -- Using nADS