lan91c100 Standard Microsystems Corp., lan91c100 Datasheet - Page 84

• Manufacturer Part Number: lan91c100
• Description: Feast ? Ast Ethernet Controller
• Manufacturer: Standard Microsystems Corp.

t5A
t1
t3
t4
t5
t8
t9
WRITE DATA
READ DATA
A1-A15, AEN, nBE0-nBE3 Valid and nADS Low Setup
to nRD, nWR Active
nRD Low to Valid Data
nRD High to Data Floating
Data Setup to nWR Inactive
Data Hold After nWR Inactive
A1-A15, AEN, nBE0-nBE3 Setup to nADS Rising
A1-A15, AEN, nBE0-nBE3 Hold after nADS Rising
ADDRESS
nRD, nWR
nADS
FIGURE 14 - ASYNCHRONOUS CYCLE - USING nADS
PARAMETER
A1-A15, AEN,nBE0-nBE3 valid
t8
t1
73
t9
t3
D0-D31 valid
MIN
t5
25
30
10
15
5
TYP
t4
t5A
MAX
40
30
UNITS
ns
ns
ns
ns
ns
ns
ns