DS26556 Datasheet, PDF (358/362 Pages) Maxim Integrated Products – 4-Port Cell/Packet Over T1/E1/J1 Transceiver

DS26556 4-Port Cell/Packet Over T1/E1/J1 Transceiver
19.5 Microprocessor Bus AC Characteristics
Table 19-6 AC Characteristics—Microprocessor Bus Timing
(V_DD = 3.3V ±5%, T_A = 0°C to +70°C for DS26556; V_DD = 3.3V ± 5%, T_A = -40°C to +85°C for DS26556N.)
(Figure 19-7, Figure 19-8, Figure 19-9, and Figure 19-10)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Setup Time for ADDR[12:0] Valid to
CS Active
t1
(Note 1)
0
Setup Time for CS Active to Either RD
or WR Active
t2
(Note 1)
0
Delay Time from Either RD or DS
Active to D[7:0] Valid
t3
115
UNITS
ns
ns
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
Wait Time from WR Active to Latch
Data
t6
Data Set Up Time to WR Inactive
t7
2.5
20
ns
35
ns
10
ns
Data Hold Time from WR Inactive
t8
2
ns
Address Hold from WR Inactive
t9
Write Access to Subsequent
Write/Read Access Delay Time
t10
3
ns
80
ns
Note 1: Guaranteed by design.
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