Table 6.35 £ 64 kbytes rom read cycle, Figure6.31 £ 64 kbytes rom read cycle – LSI 53C875A User Manual

Page 288

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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

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