SA556 datasheet(4/16 Pages) STMICROELECTRONICS

Part #	SA556

Description	General-purpose dual bipolar timers

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Electrical characteristics

NE556 - SA556 - SE556

4/16

3

Electrical characteristics

Table 3.

Tamb = +25° C, VCC = +5 V to +15 V (unless otherwise specified)

Symbol

Parameter

SE556

NE556 - SA556

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

ICC

Supply current (RL

∝) (2 timers)

Low state

VCC = +5V

VCC = +15V

High State

VCC = +5V

6

20

4

10

24

6

20

4

12

30

mA

Timing error (monostable)

(RA = 2kΩ to 100kΩ, C = 0.1μF)

Initial accuracy (1)

Drift with temperature

Drift with supply voltage

0.5

30

0.05

2

100

0.2

1

50

0.1

3

0.5

%

ppm/°C

%/V

Timing error (astable)

(RA, RB = 1kΩ to 100kΩ, C = 0.1μF, VCC= +15V)

Initial accuracy (1)

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

2.9

10

3.33

10.4

3.8

9

2.6

10

3.33

11

4

V

Vth

Threshold voltage

VCC = +15V

VCC = +5V

9.4

2.7

10

3.33

10.6

4

8.8

2.4

10

3.33

11.2

4.2

V

Ith

Threshold current (2)

0.1

0.25

0.1

0.25

µA

Vtrig

Trigger voltage

VCC = +15V

VCC = +5V

4.8

1.45

5

1.67

5.2

1.9

4.5

1.1

5

1.67

5.6

2.2

V

Itrig

Trigger current (Vtrig = 0V)

0.5

0.9

0.5

2.0

µA

V

reset

Reset voltage (3)

0.4

0.7

1

0.4

0.7

1

V

Ireset

Reset current

Vreset = +0.4V

Vreset = 0V

0.1

0.4

1

0.1

0.4

1.5

mA

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

0.4

2

2.5

0.1

0.05

0.15

0.5

2.2

0.25

0.2

0.1

0.4

2

2.5

0.3

0.25

0.75

2.5

0.4

0.35

V

VOH

High level output voltage

VCC = +15V

IO(sink) = 200mA

IO(sink) = 100mA

VCC = +5V

IO(sink) = 100mA

13

3

12.5

13.3

3.3

12.75

2.75

12.5

13.3

3.3

V

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