HS-0548RH 데이터 시트보기 (PDF) - Intersil
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HS-0548RH Datasheet PDF : 6 Pages
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HS-0548RH, HS-0549RH
Switching Waveforms (Continued)
VAH = 4.0
ADDRESS
0V
DRIVE (VA)
A2
VA
A1
50%
50% OUTPUT
A0
EN
VAH
IN 1
IN 2 THRU IN 7
GND
IN 8
OUT
1K
+5V
VOUT
tOPEN
VA INPUT
2V/DIV.
CH 1 ON
CH8 ON
OUTPUT
1V/DIV.
100ns/DIV.
FIGURE 2. BREAK-BEFORE-MAKE DELAY (tOPEN)
VAH = 4.0
50%
90%
tON(EN)
0V
OUTPUT
tOFF
(EN)
90%
Schematic Diagrams
A2
IN 1
+10V
A1
IN 2 THRU IN 8
A0
VA
EN
GND
OUT
1K
FIGURE 3. ENABLE DELAY tON(EN), tOFF(EN)
ENABLE
DRIVE
2V/DIV.
CH 1 OFF
CH 1 ON
OUTPUT
4V/DIV.
100ns/DIV.
R9
R10
Q1
Q4
D3
P
P
V+ TTL REFERENCE CIRCUIT
LEVEL SHIFTER
P
P
P
P
P
N
R2
OVERVOLTAGE
PROTECTION
V+
D2
ADD
R1
N
IN.
200Ω
D1
V-
R3
N
R4
N
N
N
R5
R6
N
V+
P
P
R7
R8
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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