W26020A

- 4 -

AC Test Loads and Waveform

R1 480 ohm

5V

OUTPUT

R2

255 ohm

5 pF

R2

255 ohm

R1 480 ohm

5V

OUTPUT

30 pF

Including

Jig and

Scope

90%

90%

3 nS

10%

3 nS

10%

3.0V

0V

Including

Jig and

Scope

)

( For T

T

T

CLZ,

BLZ,

CHZ,

Read Cycle

PARAMETER

SYM.

W26020A-20

W26020A-25

UNIT

MIN.

MAX.

MIN.

MAX.

Read Cycle Time

20

-

25

-

nS

Address Access Time

−

20

−

25

nS

Chip Select Access Time

−

20

−

25

nS

Output Enable to Output Valid

TAOE

−

10

−

12

nS

UB , LB Access Time

−

10

−

12

nS

Output Hold from Address Change

4

−

5

−

nS

Chip Select to Output in Low Z

3

−

5

−

nS

Chip Deselect to Output in High Z

−

10

−

12

nS

Output Enable to Output in Low Z

0

−

0

−

nS

Output Disable to Output in High Z

−

10

−

12

nS

0

−

0

−

nS

UB

−

10

−

12

nS

∗ These parameters are sampled but not 100% tested.