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Номер в каталоге
Компоненты Описание
SA556N Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
SA556N
General-purpose dual bipolar timers
STMicroelectronics
SA556N Datasheet PDF : 16 Pages
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Schematic diagrams
1
Schematic diagrams
Figure 1. Block diagram
V
CC
+
THRESHOL
D
CONTROL
V
OLTAGE
TRIGGER
RESET
5k
W
COMP
R
FLIP-FLOP
5k
W
Q
COMP
S
INHIBIT/
RESET
5k
W
S
NE556 - SA556 - SE556
D
ISCHARGE
OUT 1/2 NE556
Figure 2. Schematic diagram
THRESHOL
D
COMPARATOR
V
CC
R1
4.7k
W
R2
R3
830
W
4.7k
W
CONTROL
V
OLTAGE
5
R4 R8
1k
W
5k
W
Q19
Q5
Q6
Q7
Q8 Q9
THRESHOL
D
TRIGGER
RESET
D
ISCHARGE
GN
D
R11
5k
W
Q1
Q2
Q4
Q3
R9
Q11 Q12
5k
W
D
2
2
Q10
Q13
Q16
4
Q15
7
Q14
1
R5
10k
W
R6
100k
W
R7
100k
W
Q17
R10
5k
W
OUTPUT
R12
6.8k
W
Q21
Q20
Q22
R13
3.9k
W
R17
4.7k
W
Q23
D
1
3
R14
220
W
Q24
Q18
R16
100
W
R15
4.7k
W
TRIGGER COMPARATOR
FLIP FLOP
2/16
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