SH7108 Datasheet, PDF (531/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 20 Electrical Characteristics
20.3.4 Bus Timing
Table 20.6 shows the bus timing.
Table 20.6 Bus Timing
Conditions: V_CC = 4.0 V to 5.5 V, AV_CC = 4.0 V to 5.5 V, V_SS = PLLV_SS = AV_SS = 0 V, T_a = –20°C
to +75°C (standard product*¹), T_a = –40°C to +85°C (wide temperature-range
product*¹)
Item
Symbol Min.
Typ. Max. Unit Figures
Address delay time
CS delay time 1
t
—
AD
t
—
CSD1
22
30
ns
Figure 20.10,
22
35
ns
Figure 20.11
CS delay time 2
t_CSD2
—
15
35
ns
Read strobe delay time 1 t_RSD1
—
20
35
ns
Read strobe delay time 2 t_RSD2
—
15
35
ns
Read data setup time
t
15
RDS
—
—
ns
Read data hold time
t
0
RDH
—
—
ns
Write strobe delay time 1 t_WSD1
—
20
30
ns
Write strobe delay time 2 t_WSD2
—
15
30
ns
Write data delay time
t_WDD
—
—
30
ns
Write data hold time
t
0
WDH
—
—
ns
WAIT setup time
t
15
WTS
—
—
ns
Figure 20.12
WAIT hold time
t_WTH
0
—
—
ns
Read data access time
t_ACC
t_CYC ×
—
(2 + n) − 35*²
—
ns
Figure 20.10,
Figure 20.11
Access time from read
t
OE
strobe
t×
—
—
ns
CYC
(1.5 + n) − 33*²
Write address setup time t_AS
0
—
—
ns
Write address hold time
t_WR
5
—
—
ns
Write data hold time
t_WRH
0
—
—
ns
Notes: 1. For details on correspondence of the standard product, wide temperature-range product,
and product model name, refer to description of maximum operating frequency and
operating temperature range in section 1.1, Features.
2. n is the number of wait cycles.
Rev.1.00 Sep. 18, 2008 Page 497 of 522
REJ09B0069-0100