M68AF031A

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Table 7. Read and Standby Mode AC Characteristics

3. These parameters are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output

voltage levels.

4. Tested initially and after any design or process changes that may affect these parameters.

Symbol

Parameter

M68AF031A

Unit

55

70

Min.

Max.

Min.

Max.

Read Cycle Time

55

70

ns

Address Valid to Output Valid

55

70

ns

(1)

Data hold from address change

5

5

ns

(2,3)

Chip Enable High to Output Hi-Z

20

25

ns

Chip Enable Low to Output Valid

55

70

ns

(1)

Chip Enable Low to Output Lo-Z

5

5

ns

(2,3)

Output Enable High to Output Hi-Z

20

25

ns

Output Enable Low to Output Valid

25

35

ns

(1)

Output Enable Low to Output Transition

5

5

ns

(4)

Chip Enable High to Power Down

55

70

ns

(4)

Chip Enable Low to Power Up

0

0

ns