AN10E40 Data Manual
11
CSb
WRb
RS
1
4
2
3
5
6
DATA
BUSY
7
8
CSb
RDb
RS
1
4
2
3
9
10
DATA
7
BUSY
#
1
2
3
4
5
6
7
8
9
Characteristic
Min
Max Unit Notes
CSb Setup before RDb or WRb Falling Edge
RS Setup before RDb or WRb Falling Edge
RS Hold after RDb or WRb Falling Edge
Read or Write Pulse Width
10
10
10
50
20
10
50
0
ns
ns
ns
ns
ns
ns
ns
DATA[7:0] Setup to Rising Edge of WRb
DATA[7:0] Hold after Rising Edge of WRb
BUSY Inactive before end of Read or Write
BUSY Active after Write
20
40
10
ns
ns
ns
DATA[7:0] Access Time
20
0
10 DATA[7:0] Hold after Rising Edge of RDb
Figure 13. Micro Mode Write and Read Timing