Filter
Top Products
~
N
!--;;
~
, ,
+5V
r---
48-64K
Vee
OO,-OOS
8212
OI,-OIS
32-48K
L..--
I,
16-32K
A!,O
AD7
~O
~
A'5
ALE
1---.---""''-
x,
HLOA
CLK
8085A
s,
101M
WR
R5
RESET
X2
~AA~
-4~ru~1
L....r
47011"
'804
+5V
24.576
MHZ
6D~
'S04 680p! '804
~
~
Figure 10. 8085A·2117 Dynamic RAM Interface
+5V
+5V
Q
r<1
Cs
..
64K
x 8
2117
ARRAY
IIIIII
EJ
EJ
EJ
r---
2117-4
L....--..
~
r<1cs
8216
OiEN
A - Cycle Requests
B - Refresh Request
Flip-Flop
C
- Read Request Flip-Flop
o - Write Request Flip-Flop
E - Timing Chain,
Shift
Register
-------~