LSI 53C875A Computer Hardware User Manual


 
6-42 Electrical Specifications
Figure 6.25 Normal/Fast Memory (=128 Kbytes) Single Byte Access Read Cycle
Table 6.31 Normal/Fast Memory (
=128 Kbytes) Single Byte Access 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
(Addr 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)
t
11
t
12
t
13
t
15
t
14
t
16
t
18
t
17
t
19
Higher
Address
1. 2.
3.
1. Middle Address 2. Lower Address 3. Valid Read Data