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Specifications and Characteristics
Electrical Specifications
Characteristic
Address delay time
CS delay time 1
CS delay time 2
Read strobe delay time 1
Read strobe delay time 2
Read data setup time
Read data hold time
Write strobe delay time 1
Write strobe delay time 2
Write data delay time
Write data hold time
Wait setup time
Wait hold time
RAS delay time 1
RAS delay time 2
CAS delay time 1
CAS delay time 2
Read data access time
RD to read data access time
Column address to read data access
time
RAS to read data access time
CAS to read data access time
Low address hold time
Low address setup time
*1 Typical outputs measured with 50pF load
82
Table 8-8. Bus Timing (E3472A)
Symbol
SH7040
min
max
t
(2)
18
AD
t
(2)
21
CSD1
t
(2)
21
CSD2
t
(2)
18
RSD1
t
(2)
18
RSD2
t
(15)
-
RDS
t
0
-
RDH
t
(2)
18
WSD1
t
(2)
18
WSD2
t
-
35
WDD
t
0
(10)
WDH
t
15
-
WTS
t
0
-
WTH
t
(2)
18
RASD1
t
(2)
18
RASD2
t
(2)
18
CASD1
t
(2)
18
CASD2
t
39.6
-
ACC
t
22.2
-
OE
t
39.6
-
AA
t
57
-
RAC
t
4.8
-
CAC
t
2.4
-
RAH
t
-.1
-
ASR
(*1)
Typical
Worst Case Unit
min
max
min
max
-
9
-
23
-
11
-
26
-
8
-
26
-
9
-
23
-
7
-
23
15
-
25
0
-
0
-
11
-
23
-
8
-
23
-
14
-
40
4
-
-5
15
-
25
0
-
0
-
10
-
23
-
7
-
23
-
8
-
23
-
6
-
23
39.6
-
29.6
22.2
-
12.2
39.6
-
29.6
57
-
47
4.8
-
-5.2
12
-
-2.6
12
-
-5.1
ns
ns
ns
ns
ns
-
ns
-
ns
ns
ns
ns
-
ns
-
ns
-
ns
ns
ns
ns
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
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