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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 RW Active to Latch Data
t6
80 ns
Data Set Up Time to DS Active
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
Note 1: Timing parameters in this table are guaranteed by design (GBD).