Microprocessor bus ac characteristics, Icroprocessor, Haracteristics – Maxim Integrated DS33Z41 User Manual
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DS33Z41 Quad IMUX Ethernet Mapper
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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 R
W Active to Latch Data
t6 80 ns
Data Setup Time to
DS Inactive
t7 10 ns
Data Hold Time from R
W Inactive
t8 2 ns
Address Hold from R
W inactive
t9 0 ns
Write Access to Subsequent Write/Read
Access Delay Time
t10 80 ns