Appendix B External Memory Interface Diagram Examples; B.1 16 Kbyte Interface With 200 Ns Memory - LSI LSI53C875A Technical Manual

Figure B.1 16 Kbyte Interface with 200 ns Memory
MOE/
MCE/
MAD[7:0]
LSI53C875A
MAS0/
MAS1/
Note: MAD[3:1] pulled LOW internally. MAD bus sense logic enabled for 16 Kbyte of slow memory (200 ns
devices @ 33 MHz).
Appendix B
External Memory
Interface Diagram
Examples
Appendix B has example external memory interface diagrams.
Bus
MAD0
4.7 K
D0
8
HCT374
D7
CK
D0
HCT374
6
D5
CK
LSI53C875A PCI to Ultra SCSI Controller
D[7:0]
A[7:0]
V
DD
A[13:8]
Q0
8
Q7
QE
Q0
Q5
QE
OE
CE
27C128
B-1