M68AW127B

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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

M68AW127B

Unit

70

100

Read Cycle Time

Min

70

100

ns

Address Valid to Output Valid

Max

70

100

ns

(1)

Data hold from address change

Min

5

15

ns

(2,3)

Chip Enable High to Output Hi-Z

Max

25

30

ns

Chip Enable Low to Output Valid

Max

70

100

ns

(1)

Chip Enable Low to Output Transition

Min

5

10

ns

(2,3)

Output Enable High to Output Hi-Z

Max

25

30

ns

Output Enable Low to Output Valid

Max

35

50

ns

(2)

Output Enable Low to Output Transition

Min

5

5

ns

(4)

Chip Enable or UB/LB High to Power Down

Max

0

0

ns

(4)

Chip Enable or UB/LB Low to Power Up

Min

70

100

ns