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M68AF127B

Table 8. Write Mode AC Characteristics

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

voltage levels.

Symbol

Parameter

M68AF127B

Unit

55

70

Write Cycle Time

Min

55

70

ns

Address Valid to Chip Enable High

Min

45

60

ns

Address valid to Chip Enable Low

Min

0

0

ns

Address Valid to Write Enable High

Min

45

60

ns

Address Valid to Write Enable Low

Min

0

0

ns

Input Valid to Chip Enable High

Min

25

30

ns

Input Valid to Write Enable High

Min

25

30

ns

Chip Enable High to Address Transition

Min

0

0

ns

Chip enable High to Input Transition

Min

0

0

ns

Chip Enable Low to Chip Enable High

Min

45

60

ns

Chip Enable Low to Write Enable High

Min

45

60

ns

Write Enable High to Address Transition

Min

0

0

ns

Write Enable High to Input Transition

Min

0

0

ns

(1)

Write Enable High to Output Transition

Min

5

5

ns

Write Enable Low to Chip Enable High

Min

45

60

ns

(1,2)

Write Enable Low to Output Hi-Z

Max

20

20

ns

Write Enable Low to Write Enable High

Min

45

60

ns