W26020A

Publication Release Date: July 1998

- 5 -

Revision A3

AC Characteristics, continued

Write Cycle

PARAMETER

SYM.

W26020A-20

W26020A-25

UNIT

MIN.

MAX.

MIN.

MAX.

Write Cycle Time

20

−

25

−

nS

Chip Select to End of Write

14

−

15

−

nS

Address Valid to End of Write

17

−

18

−

nS

Address Setup Time

0

−

0

−

nS

UB , LB Select to End of Write

17

−

18

−

nS

Write Pulse Width

17

−

18

−

nS

Write Recovery Time

CS , WE

0

−

0

−

nS

Data Valid to End of Write

10

−

12

−

nS

Data Hold from End of Write

0

−

0

−

nS

Write to Output in High Z

−

10

−

12

nS

End of Write to Output Active

5

−

5

−

nS

∗ These parameters are sampled but not 100% tested.

TIMING WAVEFORMS

Read Cycle 1

Address

T

T

T

T

D

OH

AA

RC

OH

OUT