Maxim DS33Z41 Network Card User Manual


 
DS33Z41 Quad IMUX Ethernet Mapper
155 of 167
11.8 Microprocessor Bus AC Characteristics
Table 11-13. AC Characteristics—Microprocessor Bus Timing
(VDD3.3 = 3.3V ±5%,VDD1.8 = 1.8 ± 5% T
j
= -40°C to +85°C.)
PARAMETER SYMBOL MIN TYP MAX UNITS
Setup Time for A[12:0] Valid to CS Active
t1 0 ns
Setup Time for CS Active to either RD, or WR
Active
t2 0 ns
Delay Time from Either RD or DS Active to
DATA[7:0] Valid
t3 75 ns
Hold Time from Either RD or WR Inactive to
CS Inactive
t4 0 ns
Hold Time from CS or RD or DS Inactive to
DATA[7:0] Tri-State
t5 5 20 ns
Wait Time from RW Active to Latch Data
t6 80 ns
Data Setup Time to DS Inactive
t7 10 ns
Data Hold Time from RW Inactive
t8 2 ns
Address Hold from RW inactive
t9 0 ns
Write Access to Subsequent Write/Read
Access Delay Time
t10 80 ns