UM3758 Datasheet, PDF (12/18 Pages) UMC Corporation – TRi-STATE ProgrammaBle Encoder/Decoder

UM3758 Series
Application Circuits (Continued)
(B) Use Normal Two-Contact Pushbutton
(6) - 1 Appiication Circuit with Data Bit High to Low
L-
L1
?-=v-+w
L2
U
24
DD
21
ODE
1OOKn.
19
sc
120 PF ;
17
23
<
UM3758408A
<
18 /B/AM/BM
X/RX OUT
_i
i
5
i
(B) - 2 Application Circuit with Data Bit Lowto High
-9 ,
1
L---- IOOKn
0c
22
21
18
08 m
20
23 TX/RX OUT :
m
!
OPERFITION : Di. 02, . . . ..D8 QRE NOR,,F\L HIGH.
PND DI FQLLS LON UHILE SN1 1s
DEPRESSED; DZ, 03...08 UILL
QCT AS 01.
VDO
1
3-4 ^{1~ /B/AM/BM}
20
1
I
OPERFIITON
: DI, 02. . . . ..D8 F)RE NORMAL HIGH,
ClND DI FALLS LOH UHICE SUI 1s
DEPRESSED; 02, DZ...08 UILL
FICT AS 01.
12
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