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Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 923 of 982
REJ09B0023-0400
25.3.3 AC Bus Timing
Table 25.8 Bus Timing
Conditions: Clock mode 2/6/7, V
CC
Q = 3.0 V to 3.6 V, V
SS
Q = 0 V, Ta = −40°C to +85°C
Bφ = 50 MHz*
Item Symbol Min. Max. Unit Figure(s)
Address delay time 1 t
AD1
1 12 ns 25.13 to 25.39
Address delay time 2 t
AD2
1/2t
cyc
1/2t
cyc
+ 12 ns 25.22
Address delay time 3 t
AD3
1/2t
cyc
1/2t
cyc
+ 12 ns 25.40, 25.41
Address setup time t
AS
0 — ns 25.13 to 25.18
Address hold time t
AH
0 — ns 25.13 to 25.17
BS delay time t
BSD
— 12 ns 25.13 to 25.36
CS delay time 1 t
CSD1
1 12 ns 25.13 to 25.39
CS delay time 2 t
CSD2
1/2t
cyc
1/2t
cyc
+ 12 ns 25.40, 25.41
Read write delay time 1 t
RWD1
1 12 ns 25.13 to 25.39
Read write delay time 2 t
RWD2
1/2t
cyc
1/2t
cyc
+ 12 ns 25.40, 25.41
Read strobe delay time t
RSD
1/2t
cyc
1/2t
cyc
+ 12 ns 25.13 to 25.18,
25.20 to 25.22
Read data setup time 1 t
RDS1
1/2t
cyc
+ 8 — ns 25.13 to 25.18,
25.20, 25.21
Read data setup time 2 t
RDS2
8 — ns 25.23 to 25.26,
25.31 to 25.33
Read data setup time 3 t
RDS3
1/2t
cyc
+ 8 — ns 25.22
Read data setup time 4 t
RDS4
1/2t
cyc
+ 8 — ns 25.40
Read data hold time 1 t
RDH1
0 — ns 25.13 to 25.18,
25.20
Read data hold time 2 t
RDH2
2 — ns 25.23 to 25.26,
25.31 to 25.33
Read data hold time 3 t
RDH3
0 — ns 25.22
Read data hold time 4 t
RDH4
1/2t
cyc
+ 5 — ns 25.40
Write enable delay time 1 t
WED1
1/2t
cyc
1/2t
cyc
+ 12 ns 25.13 to 25.18,
25.20
Write enable delay time 2 t
WED2
— 12 ns 25.21