B-2
External Memory Interface Diagram Examples
Figure B.2
64 Kbyte Interface with 150 ns Memory
LSI53C1000
27C512-15/
MOE/
OE
MCE/
CE
D[7:0]
8
MAD[7:0]
Bus
CK
Q[7:0]
8
A[7:0]
QE
D[7:0]
CK
Q[7:0]
QE
8
A[15:8]
8
V
DD
MAS0/
MAS1/
8
Note: MAD 3, 1, 0 pulled LOW internally. MAD bus sense logic enabled for 64 Kbyte of fast memory (150 ns
devices @ 66 MHz).
HCT374
HCT374
GPIO4
MWE/
VPP
Control
+ 12 V
VPP
WE
Optional - for Flash Memory only, not
required for EEPROMS.
28F512-15/
Socket
D[7:0]
MAD2
4.7 K
Содержание LSI53C1000
Страница 6: ...vi Preface...
Страница 16: ...xvi Contents...
Страница 28: ...1 12 Introduction...
Страница 234: ...4 124 Registers...
Страница 314: ...6 40 Specifications This page intentionally left blank...
Страница 318: ...6 44 Specifications This page intentionally left blank...
Страница 344: ...6 70 Specifications This page intentionally left blank...
Страница 350: ...6 76 Specifications Figure 6 42 LSI53C1000 329 Ball Grid Array Bottom view...
Страница 352: ...6 78 Specifications...
Страница 360: ...A 8 Register Summary...
Страница 376: ...IX 12 Index...