Heathkit H9 - Page 80

Page
78
Integrated
Circuits
(cont'd.)
3Y GND
AY-3-1015
TMS6O1
1 N
1M6402
UNIVERSAL
ASYNCHRONOUS
RECEIVER/TRANSMITTER
RDA
DA
S R
NC'NO
INTERNAL
CONNICTION
llt40
239
l
38
4
)l
5
tt
6
j5
ll ,2
19
22
20
z\
1
)4
8)1
1
tl
10
3i
ll
30
12
29
t3
28
l4
27
r t
?6
16
25
17
24
4K(1024x4)
STATIC
RAM
Al
A2
d3
GND
U02
|
103
|04
WE