M48T58, M48T58Y

WRITE mode

Doc ID 2412 Rev 8

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Table 4.

WRITE mode AC characteristics

Symbol

1.

noted).

M48T58/Y

Unit

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

(2)(3)

2.

3.

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

state.

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

(2)(3)

WRITE enable high to output transition

5

ns