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Компоненты Описание
HS-0549RH(1999) Просмотр технического описания (PDF) - Intersil
Номер в каталоге
Компоненты Описание
производитель
HS-0549RH
(Rev.:1999)
Radiation Hardened Single 8/Differential 4 Channel CMOS Analog Multiplexers with Active Overvoltage Protection
Intersil
HS-0549RH Datasheet PDF : 6 Pages
1
2
3
4
5
6
HS-0548RH, HS-0549RH
Switching Waveforms
(Continued)
V
AH
= 4.0
ADDRESS
0V
DRIVE (VA)
50%
50%
OUTPUT
A2
V
A
A1
A0
EN
V
AH
IN 1
IN 2 THRU IN 7
GND
IN 8
OUT
1K
+5V
V
OUT
t
OPEN
VA INPUT
2V/DIV.
CH 1 ON
CH8 ON
OUTPUT
1V/DIV.
100ns/DIV.
FIGURE 2. BREAK-BEFORE-MAKE DELAY (t
OPEN
)
V
AH
= 4.0
50%
90%
t
ON(EN)
0V
OUTPUT
t
OFF
(EN)
90%
Schematic Diagrams
A2
IN 1
+10V
A1
IN 2 THRU IN 8
A0
V
A
EN
GND
OUT
1K
FIGURE 3. ENABLE DELAY t
ON(EN)
, t
OFF(EN)
ENABLE
DRIVE
2V/DIV.
CH 1 OFF
CH 1 ON
OUTPUT
4V/DIV.
100ns/DIV.
R
9
R
10
Q
1
Q
4
D
3
P
P
V+ TTL REFERENCE CIRCUIT
LEVEL SHIFTER
P
P
P
P
P
N
R
2
OVERVOLTAGE
PROTECTION
V+
D
2
ADD
R
1
N
IN.
200
Ω
D
1
V-
R
3
N
R
4
N
N
N
R
5
R
6
N
V+
P
P
R
7
R
8
N
N
V-
P
LEVEL
SHIFTED
ADDRESS
TO
DECODE
LEVEL
SHIFTED
ADDRESS
N
TO
DECODE
FIGURE 4. ADDRESS INPUT BUFFER AND LEVEL SHIFTER
3
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