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SA555 PDF даташит

Спецификация SA555 изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «GENERAL PURPOSE SINGLE BIPOLAR TIMERS».

Детали детали

Номер произв SA555
Описание GENERAL PURPOSE SINGLE BIPOLAR TIMERS
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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SA555 Даташит, Описание, Даташиты
NE555
SA555 - SE555
General-purpose single bipolar timers
Features
Low turn-off time
Maximum operating frequency greater than
500 kHz
Timing from microseconds to hours
Operates in both astable and monostable
modes
Output can source or sink up to 200 mA
Adjustable duty cycle
TTL compatible
Temperature stability of 0.005% per °C
Description
The NE555, SA555, and SE555 monolithic timing
circuits are highly stable controllers capable of
producing accurate time delays or oscillation. In
the time delay mode of operation, the time is
precisely controlled by one external resistor and
capacitor. For a stable operation as an oscillator,
the free running frequency and the duty cycle are
both accurately controlled with two external
resistors and one capacitor.
The circuit may be triggered and reset on falling
waveforms, and the output structure can source
or sink up to 200 mA.
N
DIP8
(Plastic package)
D
SO8
(Plastic micropackage)
Pin connections
(top view)
1
2
3
4
1 - GND
2 - Trigger
3 - Output
4 - Reset
8
7
6
5
5 - Control voltage
6 - Threshold
7 - Discharge
8 - VCC
January 2012
Doc ID 2182 Rev 6
1/20
www.st.com
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SA555 Даташит, Описание, Даташиты
Schematic diagrams
1 Schematic diagrams
Figure 1. Block diagram
VCC+
THRESHOLD
CONTROL VOLTAGE
TRIGGER
RESET
5kΩ
COMP
R
FLIP-FLOP
5kΩ
COMP
Q
S
INHIBIT/
RESET
5kΩ
S
Figure 2. Schematic diagram
NE555 - SA555 - SE555
DISCHARGE
OUT
2/20 Doc ID 2182 Rev 6









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SA555 Даташит, Описание, Даташиты
NE555 - SA555 - SE555
Absolute maximum ratings and operating conditions
2 Absolute maximum ratings and operating conditions
Table 1. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
IOUT
Rthja
Rthjc
ESD
Supply voltage
Output current (sink & source)
Thermal resistance junction to ambient(1)
DIP8
SO-8
Thermal resistance junction to case(1)
DIP8
SO-8
Human body model (HBM)(2)
Machine model (MM)(3)
Charged device model (CDM)(4)
18
±225
85
125
41
40
1000
100
1500
V
mA
°C/W
°C/W
V
Latch-up immunity
200 mA
TLEAD
Lead temperature (soldering 10 seconds)
260 °C
Tj Junction temperature
150 °C
Tstg Storage temperature range
-65 to 150
°C
1. Short-circuits can cause excessive heating. These values are typical.
2. Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a
1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations
while the other pins are floating.
3. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between
two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of
connected pin combinations while the other pins are floating.
4. Charged device model: all pins and the package are charged together to the specified voltage and then
discharged directly to the ground through only one pin. This is done for all pins.
Table 2. Operating conditions
Symbol
Parameter
Value
Unit
VCC
Vth, Vtrig,
Vcl, Vreset
IOUT
Toper
Supply voltage
NE555
SA555
SE555
Maximum input voltage
Output current (sink and source)
Operating free air temperature range
NE555
SA555
SE555
4.5 to 16
4.5 to 16
4.5 to 18
VCC
±200
0 to 70
-40 to 105
-55 to 125
V
V
mA
°C
Doc ID 2182 Rev 6
3/20










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