MCM69D536

10

MOTOROLA FAST SRAM

tKHPTX

K

AX

E

tKHKH

tKLKH

tKHKL

GX

DQX

AY

GY

D(2)

D(3)

D(X)

D(Y)

D(6)

tKHQV

PORT X

WX

PORT Y

WY

DQY

tKHQX2

tKHDX

tDVKH

E Low = E1 Low and E2 High. E High = E1 High or E2 Low.

NOTE: The timing diagram is valid for the opposite case as well, i.e., writing to Port Y and passing through to Port X.

PTX

PTY

D(3)

D(X)

D(Y)

D(17)

tKHQZ

tPTVKH

WRITE TO PORT X AND PASS–THROUGH TO PORT Y (SEE NOTE)

1

2

3

4

5

6

7

8

9

12

13

14

15

16

17

18

19

20