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M69AW024BE

Table 2. Operating Modes

2. Output Disable mode should not be kept longer than 1µs.

3. Power-down mode can be entered from Stand-by state, and all DQ pins are in Hi-Z state.

4. Can be either VIL or VIH but must be valid before Read or Write.

Operation

E2

E1

W

G

LB

UB

A0-A19

DQ0-DQ7

DQ8-

DQ15

Data

Retention

Standby (Deselect)

Hi-Z

Hi-Z

Yes

Hi-Z

Hi-Z

Yes

Output Disabled

(No Read)

Valid

Hi-Z

Hi-Z

Yes

Upper Byte Read

Valid

Hi-Z

Output

Valid

Yes

Lower Byte Read

Valid

Output

Valid

Hi-Z

Yes

Word Read

Valid

Output Valid

Yes

Upper Byte Write

Valid

Invalid

Input Valid

Yes

Lower Byte Write

Valid

Input Valid

Invalid

Yes

Word Write

Valid

Input Valid

Input Valid

Yes

Hi-Z

Hi-Z

No