ADDRESS
; CONTROL
DATA
'--
'---
DECODE
A
g.
15
AD
O
.
7
ALE
l
8085A
R5
+5V
101M
I
~
j
I
1
8212
Vee
ADDRESS
LATCH
~
As'
A
10
I-
I
OE
QUALIFIES
~
Ao·
A7
DATA
OUT OF 2716
2716
0
0
.
7
/
BE
~
As
~
CEo
~
~CEl
~
512X8
I
CE
2
OC
~
PROM
l
-:
CE
3
~
3604A
I
~
I
~
51
'YT~~
-
-
CE
4
EPROM
I
ROM
#4
-
-~
I-
-
~-
I-
~
-
~CE5
I
CE
6
I
CE
7
I""-
~
-
ADDRESS
~
________________________________
~
SELECTION
\~----------I/
OUTPUT ENABLE
(READ)
\~---/
DATAOUT-------------------~(~
______
__J)~---------
Figure 9. Correct 16K EPROM System
A1-10
II
-
~
~
I""-