Tandy 26-3334 Service Manual page 94

NTSC
IC2: iiPD27C256D-20
GWD
10-
9
OUTPUT ENABLE
CIRCUIT
CHIP ENABLE
CIRCUIT
V DECODER
DATA
OUTPUT
00
-
07
II
111211311511611
711
B]19
|
OUTPUT
BUFFER
IC3:
SN74LS245N
24
2J
23
2_
26
27-
262 111 BITS
MEMORY
CELL
^
:^r:
^
&
^
'
—
B^
^
53
-94-