M69AW024B

20/29

Figure 13. W Controlled, Continuous Write AC Waveforms

Note: 1. E2 must be High during the Write cycle.

Figure 14. E1 Controlled, Read/Write AC Waveforms

Note: 1. Write address is valid from the falling edge of either E1 or W, whichever occurs later.

AI07413C

VALID DATA INPUT

A0-A19

E1

G

DQ0-DQ15

ADDRESS VALID

ADDRESS VALID

tDVWH

tWHDX

tGHWL

tWLWL

tWLWH

tWHWL

tGHAX

tAVWL

W

UB, LB

tAVWL

ADDRESS VALID

tWLAX

tGHEL

tELWL

tWHBH

tGHQZ

tBLWL

tBLWL

tGHBH

AI07414C

WRITE DATA INPUT

A0-A19

E1

G

DQ0-DQ15

ADDRESS VALID

ADDRESS VALID

tDVEH

tEHDX

tGHEL

tWHEL

tELEL

tELEH1

tEHEL1

tEHAX

tAVEL

W

UB, LB

tAVEL

ADDRESS VALID

tELAX

tEHEL1

tEHQZ

tWLEL

tEHWH

tEHWL

tGLQX

tEHQX

READ DATA OUTPUT

tEHBH

tBLGL

tBLEL

tEHBH

ELGL