Rev. 5.00, 09/03, page 673 of 760
23.3.3 AC Bus Timing
Table 23.7 Bus Timing
Clock Modes 0/1/2/7, VccQ = 3.3 ± 0.3 V, Vcc = 1.55 to 2.15 V, AVcc = 3.3 ± 0.3 V,
Ta = –20 to 75°C
Item Symbol Min Max Unit Figure
Address delay time t
AD
1.5 12 ns 23.16–23.36, 23.39–23.46
Address setup time t
AS
0 — ns 23.16–23.18
Address hold time
*
1
t
AH
4 — ns 23.16–23.21
BS delay time t
BSD
— 10 ns 23.16–23.36, 23.40–23.46
CS delay time 1 t
CSD1
0 10 ns 23.16–23.21, 23.40–23.46
CS delay time 2 t
CSD2
— 10 ns 23.16–23.21
CS delay time
(SDRAM access)
t
CSD3
1.5 10 ns 23.22–23.39
Read/write delay time t
RWD
1.5 10 ns 23.16–23.46, 23.39–23.46
Read/write hold time t
RWH
0 — ns 23.16–23.21
Read strobe delay time t
RSD
— 10 ns 23.16–23.21 23.40–23.43
Read data setup time 1 t
RDS1
6 — ns 23.16–23.21, 23.40–23.46
Read data setup time 2 t
RDS2
5 — ns 23.22–23.25, 23.30–23.33
Read data hold time 1
*
2
t
RDH1
0 — ns 23.16–23.21, 23.40–23.46
Read data hold time 2 t
RDH2
1 — ns 23.22–23.25, 23.30–23.33
Write enable delay time t
WED
— 10 ns 23.16–23.18, 23.40, 23.41
Write data delay time 1 t
WDD1
— 14 ns 23.16–23.18, 23.40, 23.41, 23.44–23.46
Write data delay time 2 t
WDD2
1.5 12 ns 23.26–23.29, 23.34–23.36
Write data hold time 1 t
WDH1
1.5 — ns 23.16–23.18, 23.40, 23.41, 23.44–23.46
Write data hold time 2 t
WDH2
1.5 — ns 23.26–23.29, 23.34–23.36
Write data hold time 3 t
WDH3
2 — ns 23.16–23.18
Write data hold time 4 t
WDH4
2 — ns 23.40, 23.41, 23.44–23.46
WAIT setup time t
WTS
5 — ns 23.17–23.21, 23.41, 23.43, 23.45, 23.46
WAIT hold time t
WTH
0 — ns 23.17–23.21, 23.41, 23.43, 23.45, 23.46
RAS delay time 2 t
RASD2
1.5 10 ns 23.22–23.39
CAS delay time 2 t
CASD2
1.5 10 ns 23.22–23.39
DQM
delay time t
DQMD
1.5 10 ns 23.22–23.36
CKE delay time t
CKED
1.5 10 ns 23.38