6

April 21, 2004

U634H256

L- to H-level

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H- to L-level

i:

If W is LOW and when E goes LOW, the outputs remain in the high impedance state.

j:

Ai

E

W

DQi

Input

DQi

Output

Address Valid

Input Data Valid

High Impedance

(12)

(16)

(13)

(19)

(20)

(23)

(21)

Ai

E

W

DQi

Input

DQi

Output

Input Data Valid

(12)

(18)

(21)

(20)

(19)

(17)

(22)

Previous Data

(15)

(14)

High Impedance

(15)

Address Valid