M48Z2M1V datasheet(8/20 Pages) STMICROELECTRONICS

8 / 20 page

Operation modes

M48Z2M1Y, M48Z2M1V

8/20

Doc ID 5135 Rev 5

Figure 5.

Chip enable or output enable controlled, READ mode AC waveforms

Note:

WRITE enable (W) = high.

Table 3.

READ mode AC characteristics

AI02052

tAVAV

tAVQV

tAXQX

tELQV

tELQX

tEHQZ

tGLQV

tGLQX

tGHQZ

DATA OUT

A0-A20

DQ0-DQ7

VALID

Symbol

Parameter(1)

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

noted).

M48Z2M1Y

M48Z2M1V

Unit

–70

–85

Min

Max

Min

Max

tAVAV

READ cycle time

tAVQV

(2)

CL = 100 pF or 50 pF (see Figure 9 on page 13).

Address valid to output valid

tAXQX

(2)

Address transition to output transition

tEHQZ

(3)

CL = 5 pF (see Figure 9 on page 13).

Chip enable high to output Hi-Z

tELQV

(2)

Chip enable low to output valid

tELQX

(3)

Chip enable low to output transition

tGHQZ

(3)

Output enable high to output Hi-Z

tGLQV

(2)

Output enable low to output valid

tGLQX

(3)

Output enable low to output transition

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