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SA556N PDF даташит

Спецификация SA556N изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «GENERAL PURPOSE DUAL BIPOLAR TIMERS».

Детали детали

Номер произв SA556N
Описание GENERAL PURPOSE DUAL BIPOLAR TIMERS
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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SA556N Даташит, Описание, Даташиты
NE556
® SA556 - SE556
GENERAL PURPOSE DUAL BIPOLAR TIMERS
. LOW TURN OFF TIME
. MAXIMUM OPERATING FREQUENCY
GREATER THAN 500kHz
. TIMING FROM MICROSECONDS TO HOURS
. OPERATES IN BOTH ASTABLE AND
MONOSTABLE MODES
. HIGH OUTPUT CURRENT CAN SOURCE OR
SINK 200mA
. ADJUSTABLE DUTY CYCLE
. TTL COMPATIBLE
. TEMPERATURE STABILITY OF 0.005%
PER oC
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
DE S CRI P T IO N
The NE556 dual monolithic timing circuit is a highly
stable controller capable of producing accurate time
delays or oscillation. In the time delay mode of op-
eration, the time is precisely controlled by oneexter-
nal resistor and capacitor. For a stable operation as
an oscillator, the freerunningfrequencyand theduty
cycle are both accurately controlled with two exter-
nal resistors and one capacitor. The circuit may be
triggered and reset on falling waveforms, and the
output structure can source or sink up to 200mA.
ORDER CODES
Part
Number
NE556
SA556
SE556
Temperature
Range
0oC, 70oC
–40oC, 105oC
–55oC, 125oC
Pakcage
ND
••
••
••
PIN CONNECTIONS (top view)
Discharge 1
Thres hold 2
Control Voltage 3
Reset 4
Output 5
Trigger 6
GND 7
14 VCC
13 Discharge
12 Thres hold
11 Control Voltage
10 Re set
9 Output
8 Trigge r
July 1998
1/9









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SA556N Даташит, Описание, Даташиты
NE556/SA556/SE556
BLOCK DIAGRAM
VC
+
C
THRES HOLD
CONTROL VOLTAGE
TR IGGE R
RESET
5 k
C O MP
R
FLIP-FLOP
5 k
COMP
Q
S
INHIBIT/
RESET
5 k
S
DISCHARGE
OUT 1/2 NE556
SCHEMATIC DIAGRAM
THRE S HOLD
COMPARATOR
VCC
R1
4. 7k
R2 R3
8 304 .7k
CONTROL
VOLTAGE
R4 R8
1k5 k
5
Q5 Q6 Q7
Q8 Q9
Q1 9
THRE S HOLD
TR IGGER
RES ET
DISC HARGE
G ND
R11
5k
Q1
Q2
Q4
Q3
Q11 Q12
R9
5 k
D2
2 Q10 Q1 3
Q16
4
Q15
7
Q14
1
R5
1 0k
R6
1 00 k
R7
1 0 0k
Q1 7
R1 0
5 k
OUTPUT
R12
6.8k
Q20
Q21
Ρ13
3.9 k
Q22
R17
4.7k
Q2 3
D1 3
R14
220
Q2 4
Q18
R16 R15
100 4.7k
TR IGGER COMPARATOR
FLIP FLOP
ABSOLUTE MAXIMUM RATINGS
Symbol
Vcc
Toper
Tj
Tstg
Parameter
Supply Voltage
Operating Free Air Temperature Range
for NE556
for SA556
for SE556
Junction Temperature
Storage Temperature Range
2/9
Value
18
0 to 70
–40 to 105
–55 to 125
150
– 65 to 150
Unit
V
°C
°C
°C









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SA556N Даташит, Описание, Даташиты
NE556/SA556/SE556
OPERATING CONDITIONS
Symbol
VCC
Vth, Vtrig, Vcl, Vreset
Parameter
Supply Voltage
Maximum Input Voltage
SE556
4.5 to 18
VCC
NE556 - SA556
4.5 to 18
VCC
Unit
V
V
ELECTRICAL CHARACTERISTICS
Tamb = +25oC, VCC = +5V to +15V (unless otherwise specified)
Symbol
Parameter
SE556
Min. Typ. Max.
NE556 - SA556
Min. Typ. Max.
Unit
ICC Supply Current (RL ) (- note 1) - (2 timers)
Low State VCC = +5V
VCC = +15V
High State VCC = 5V
6 10
20 24
4
mA
6 12
20 30
4
Timing Error (monostable)
(RA = 2k to 100k, C = 0.1µF)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
0.5
30
0.05
2
100
0.2
13%
50 ppm/°C
0.1 0.5 %/V
Timing Error (astable)
(RA, RB = 1kto 100k, C = 0.1µF,
VCC = +15V)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
1.5
90
0.15
2.25
150
0.3
%
ppm/°C
%/V
VCL Control Voltage level
VCC = +15V
VCC = +5V
9.6 10 10.4 9
10 11
2.9 3.33 3.8
2.6 3.33 4
V
Vth Threshold Voltage
VCC = +15V
VCC = +5V
Ith Threshold Current - (note 3)
Vtrig Trigger Voltage
VCC = +15V
VCC = +5V
Itrig Trigger Current (Vtrig = 0V)
V
9.4 10 10.6 8.8 10 11.2
2.7 3.33
4
2.4 3.33 4.2
0.1 0.25
0.1 0.25 µA
4.8
1.45
5
1.67
5.2
1.9
4.5 5 5.6
1.1 1.67 2.2
V
0.5 0.9
0.5 2.0 µA
Vreset Reset Voltage - (note 4)
0.4 0.7
1 0.4 0.7 1
V
Ireset
Reset Current
Vreset = +0.4V
Vreset = 0V
0.1 0.4
0.4 1
mA
0.1 0.4
0.4 1.5
VOL Low Level Output Voltage
VCC = +15V, IO(sink) = 10mA
IO(sink) = 50mA
IO(sink) = 100mA
IO(sink) = 200mA
VCC = +5V, IO(sink) = 8mA
IO(sink) = 5mA
0.1 0.15
0.4 0.5
2 2.2
2.5
0.1 0.25
0.05 0.2
0.1 0.25
0.4 0.75
2 2.5
2.5
0.3 0.4
0.25 0.35
V
VOH
High Level Output Voltage
VCC = +15V, IO(source) = 200mA
IO(source) = 100mA
VCC = +5V, IO(source) = 100mA
12.5
13 13.3
3 3.3
12.75
2.75
12.5
13.3
3.3
V
Notes :
1. Supply current when output is high is typically 1mA less.
2. Tested at VCC = +5V and VCC = +15V.
3. This will determine the maximum value of RA + RB for +15V operation the max total is R = 20Mand for 5V operation
the max total R = 3.5M.
4. Specified with trigger input high.
3/9










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