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555

Timer

Philips Electronics 

Philips Semiconductors Linear Products

Timer

Product specification

NE/SA/SE555/SE555C

DC AND AC ELECTRICAL CHARACTERISTICS

TA = 25°C, VCC = +5V to +15 unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

SE555

Min Typ Max

NE555/SE555C

Min Typ Max

UNIT

VCC

ICC

tM

∆tM/∆T

∆tM/∆VS

tA

∆tA/∆T

∆tA/∆VS

VC

Supply voltage

Supply current (low

state)1

Timing error (monostable)

Initial accuracy2

Drift with temperature

Drift with supply voltage

Timing error (astable)

Initial accuracy2

Drift with temperature

Drift with supply voltage

Control voltage level

VTH

ITH

VTRIG

ITRIG

VRESET

IRESET

Threshold voltage

Threshold current3

Trigger voltage

Trigger current

Reset voltage4

Reset current

Reset current

VOL

Output voltage (low)

VOH

Output voltage (high)

tOFF

Turn-off time5

tR

Rise time of output

tF

Fall time of output

Discharge leakage current

VCC=5V, RL=∞

VCC=15V, RL=∞

RA=2kΩ to 100kΩ

C=0.1µF

RA, RB=1kΩ to 100kΩ

C=0.1µF

VCC=15V

VCC=15V

VCC=5V

VCC=15V

VCC=5V

VCC=15V

VCC=5V

VTRIG=0V

VCC=15V, VTH =10.5V

VRESET=0.4V

VRESET=0V

VCC=15V

ISINK=10mA

ISINK=50mA

ISINK=100mA

ISINK=200mA

VCC=5V

ISINK=8mA

ISINK=5mA

VCC=15V

ISOURCE=200mA

ISOURCE=100mA

VCC=5V

ISOURCE=100mA

VRESET=VCC

4.5

18 4.5

16

V

3

5

3

6

mA

10

12

10

15

mA

0.5 2.0

30 100

0.05 0.2

1.0 3.0

%

50 150 ppm/°C

0.1 0.5

%/V

4

6

5

13

%

500

500 ppm/°C

0.15 0.6

0.3

1

%/V

9.6 10.0 10.4 9.0 10.0 11.0

V

2.9 3.33 3.8 2.6 3.33 4.0

V

9.4 10.0 10.6 8.8 10.0 11.2

V

2.7 3.33 4.0 2.4 3.33 4.2

V

0.1 0.25

0.1 0.25

µA

4.8 5.0 5.2 4.5 5.0 5.6

V

1.45 1.67 1.9 1.1 1.67 2.2

V

0.5 0.9

0.5 2.0

µA

0.3

1.0 0.3

1.0

V

0.1 0.4

0.1 0.4

mA

0.4 1.0

0.4 1.5

mA

0.1 0.15

0.4 0.5

2.0 2.2

2.5

0.1 0.25

V

0.4 0.75

V

2.0 2.5

V

2.5

V

0.1 0.25

0.05 0.2

0.3 0.4

V

0.25 0.35

V

12.5

12.5

V

13.0 13.3

12.75 13.3

V

3.0 3.3

2.75 3.3

V

0.5 2.0

0.5 2.0

µs

100 200

100 300

ns

100 200

100 300

ns

20 100

20 100

nA

NOTES:

1. Supply current when output high typically 1mA less.

2. Tested at VCC=5V and VCC=15V.

3. This will determine the max value of RA+RB, for 15V operation, the max total R=10MΩ, and for 5V operation, the max. total R=3.4MΩ.

4. Specified with trigger input high.

5. Time measured from a positive going input pulse from 0 to 0.8×VCC into the threshold to the drop from high to low of the output. Trigger is

tied to threshold.

August 31, 1994

349

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