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Part Name
Description
HS-82C12RH View Datasheet(PDF) - Intersil
Part Name
Description
View to exact match
HS-82C12RH
Radiation Hardened 8-Bit Input/Output Port
Intersil
HS-82C12RH Datasheet PDF : 6 Pages
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HS-82C12RH
Logic Diagram
DEVICE
DS1
SELECT
13
DS2
STB
11
CLR
14
S
DQ
CQ
SERVICE
REQUEST
FLIP-FLOP
DATA OUT ENABLE
LATCH RESET
DI0
DQ
3
EQ
R
TSB
DI1
DQ
5
EQ
R
TSB
DI2
7
LATCH CLOCK
DQ
EQ
R
TSB
INT
23
DO0
4
DO1
6
DO2
8
DI3
DO3
MD
DQ
TSB
9
EQ
10
2
R
DI4
DQ
16
EQ
R
TSB
DO4
15
DI5
DQ
18
EQ
R
TSB
DO5
17
DI6
DQ
20
EQ
R
TSB
DO6
19
DI7
DQ
22
EQ
R
TSB
DO7
21
STB
0
1
0
1
0
1
0
1
TABLE 1. DATA OUT
MD
DS1
•
DS2 DATA OUT EQUALS
0
0
High Z State
0
0
High Z State
1
0
Data Latch
1
0
Data Latch
0
1
Data Latch
0
1
Data In
1
1
Data In
1
1
Data In
TABLE 2. INT
(NOTE)
CLR DS1
•
DS2 STB
Q
INT
0 RESET
0
0
0
1
1
0
0
0
1
1
0
1
0
1
1 RESET
0
0
0
1
0
0
0
1
NOTE: Internal Service Request Flip-Flop
5
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