lan91c95 Standard Microsystems Corp., lan91c95 Datasheet - Page 127

• Manufacturer Part Number: lan91c95
• Description: Isa/pcmcia Full Duplex Single-chip Ethernet And Modem Controller With Ram
• Manufacturer: Standard Microsystems Corp.

A0-15
AEN, nSBHE
nIOCS16
nIOWR
D0-15
BALE Tied High
IOCHRDY not used - t20 has to be met
*Note: The cycle time is defined only for consecutive accesses to the Data Register. These values assume
that IOCHRDY is not used.
t15
t20
t3
t4
t7
t8
Address, nSBHE, AEN Setup to Control Active
Address, nSBHE, AEN Hold after Control
Inactive
Data Setup to nIOWR Rising
Data Hold after nIOWR Rising
A4-A15, AEN Low, BALE High to nIOCS16
Low
Cycle time*
t15
t3
FIGURE 28 - ISA CONSECUTIVE WRITE CYCLES
VALID ADDRESS
Parameter
VALID DATA IN
t7
t4
t8
127
min
185
25
20
30
9
t20
VALID ADDRESS
typ
VALID DATA
max
25
units
ns
ns
ns
ns
ns
ns