Symbol

Parameter

M48T58 / M48T58Y

Unit

-70

Min

Max

Write Cycle Time

70

ns

Address Valid to Write Enable Low

0

ns

Address Valid to Chip Enable 1 Low

0

ns

Address Valid to Chip Enable 2 High

0

ns

Write Enable Pulse Width

50

ns

Chip Enable 1 Low to Chip Enable 1 High

55

ns

Chip Enable 2 High to Chip Enable 2 Low

55

ns

Write Enable High to Address Transition

0

ns

Chip Enable 1 High to Address Transition

0

ns

Chip Enable 2 Low to Address Transition

0

ns

Input Valid to Write Enable High

30

ns

Input Valid to Chip Enable 1 High

30

ns

Input Valid to Chip Enable 2 Low

30

ns

Write Enable High to Input Transition

5

ns

Chip Enable 1 High to Input Transition

5

ns

Chip Enable 2 Low to Input Transition

5

ns

(1, 2)

Write Enable Low to Output Hi-Z

25

ns

Address Valid to Write Enable High

60

ns

Address Valid to Chip Enable 1 High

60

ns

Address Valid to Chip Enable 2 Low

60

ns

(1, 2)

Write Enable High to Output Transition

5

ns

2. If E1 goes low or E2 high simultaneously with W going low, the outputs remain in the high impedance state.

Table 10. Write Mode AC Characteristics

7/17

M48T58, M48T58Y