M48Z128 datasheet(8/20 Pages) STMICROELECTRONICS

8 / 20 page

Operating modes

M48Z128, M48Z128Y, M48Z128V

8/20

Doc ID 2426 Rev 5

Figure 4.

Chip enable or output enable controlled, READ mode AC waveforms

Note:

WRITE enable (W) = high.

Figure 5.

Address controlled, READ mode AC waveforms

Note:

Chip enable (E) and output enable (G) = low, WRITE enable (W) = high.

Table 3.

READ mode AC characteristics

AI01197

tAVAV

tAVQV

tAXQX

tELQV

tELQX

tEHQZ

tGLQV

tGLQX

tGHQZ

DATA OUT

A0-A16

DQ0-DQ7

VALID

AI01078

tAVAV

tAVQV

tAXQX

A0-A16

DQ0-DQ7

VALID

DATA VALID

Symbol

Parameter(1)

Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.75 to 5.5 V, 4.5 to 5.5 V, or 3.0 to 3.6 V

(except where noted).

M48Z128/Y M48Z128/Y/V M48Z128/Y/V

Unit

–70

–85

–120

Min

Max

Min

Max

Min

Max

tAVAV

READ cycle time

120

tAVQV

Address valid to output valid

120

tELQV

Chip enable low to output valid

120

tGLQV

Output enable low to output valid

tELQX

(2)

CL = 5 pF.

Chip enable low to output transition

tGLQX

(2)

Output enable low to output transition

tEHQZ

(2)

Chip enable high to output Hi-Z

tGHQZ

(2)

Output enable high to output Hi-Z

tAXQX

Address transition to output transition

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