DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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13.8 Microprocessor Bus AC Characteristics
Table 13-13. AC Characteristics—Microprocessor Bus Timing
(VDD3.3 = 3.3V
±
5%, VDD1.8 = 1.8V
±
5%, T
j
= -40°C to +85°C.) (Note 1,
Figure 13-9
,
Figure 13-10
,
Figure 13-11
,
and
Figure 13-12
)
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 Set Up Time to
DS
Active
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
Note 1:
Timing parameters in this table are guaranteed by design (GBD).