Mode B Read Cycle (CPU_SEL set LOW)
PARAMETER
NUMBER
MIN
Read Address Cycle Time
1
80
Read Cycle Time
2
80
Read Enable Setup Time
3
20
Read Address Setup Time
4
20
Read Chip Select Setup Time
5
10
Read Chip Select Hold Time
6
0
Read Data Output Delay Time
7
-
Read Data Hold Time
8
0
TYP
MAX
-
-
-
-
-
-
-
-
-
-
-
-
-
10
-
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
CPUADR[1:0]
CPUDAT[7:0]
CPUCS
1
01
Upper Address
1
00
Lower Address
2
11
8
Read
Data
7
CPUWE
5
4
6
3
5
4
6
3
5
6
3
Fig. 7 Host Interface Mode B Read Cycle Timing (CPU_SEL set LOW)
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