AmMCL00XA

5

PRELIMIN ARY

BLOCK DIAGRAM

*

4 Mbyte card only. Not used on 2 Mbyte card.

** 2 Mbyte card: Two Am29LV081 devices, S0 and S1

4 Mbyte card: Four Am29LV081 devices, S0...S3

Note: On the 2 Mbyte card, A20–A24 are not connected. On the 4 Mbyte card, A21–A24 are not connected. Connections not

shown in this diagram are not connected internally.

OE#

BUSY#

RY/BY#

A0-A20

Decoder*

CEL#

100K

100K

CEH#

WE#

WE# to all Flash devices

Write Protect

Switch

CEL0#

CEH0#

CEL1#

CEH1#

A20

V

CC

10K

V

CC

V

CC

OE# to all Flash devices

D0-D7

D8-D15

RESET#

RESET# to all Flash devices

A0-A19

CE#

WE#

OE#

D8-D15

V

SS

V

CC

RESET# RY/BY#

S1**

A0-A19

CE#

WE#

OE#

D0-D7

V

SS

V

CC

RESET# RY/BY#

S2**

A0-A19

CE#

WE#

OE#

D8-D15

V

SS

V

CC

RESET# RY/BY#

S3**

A0-A19

CE#

WE#

OE#

D0-D7

V

SS

V

CC

RESET# RY/BY#

S0**

V

CC

V

CC

100K

100K

21138E-2