LSI 53C875A User Manual
6-50
Electrical Specifications
Figure 6.31
≤
64 Kbytes ROM Read Cycle
Table 6.35
≤
=
64 Kbytes ROM Read Cycle
Symbol
Parameter
Min
Max
Unit
t
11
Address setup to MAS/ HIGH
25
–
ns
t
12
Address hold from MAS/ HIGH
15
–
ns
t
13
MAS/ pulse width
25
–
ns
t
14
MCE/ LOW to data clocked in
150
–
ns
t
15
Address valid to data clocked in
205
–
ns
t
16
MOE/ LOW to data clocked in
100
–
ns
t
17
Data hold from address, MOE/, MCE/ change
0
–
ns
t
18
Address out from MOE/, MCE/ HIGH
50
–
ns
t
19
Data setup to CLK HIGH
5
–
ns
CLK
MAD
(Address driven by LSI53C875A;
Data driven by Memory)
MAS1/
(Driven by LSI53C875A)
MAS0/
(Driven by LSI53C875A)
MCE/
(Driven by LSI53C875A)
MOE/
(Driven by LSI53C875A)
MWE/
(Driven by LSI53C875A)
Higher
Address
Lower
Address
Valid
Read
Data
t
17
t
12
t
15
t
14
t
18
t
16
t
19
t
11
t
13