N555 datasheet(6/27 Pages) TI

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Operating Characteristics

NA555, NE555, SA555, SE555

PRECISION TIMERS

SLFS022F – SEPTEMBER 1973 – REVISED JUNE 2006

CC = 5 V to 15 V, TA = 25°C (unless otherwise noted)

NA555

SE555

NE555

TEST

PARAMETER

UNIT

SA555

CONDITIONS(1)

MIN

TYP

MAX

MIN

TYP

MAX

Each timer, monostable(3)

TA = 25°C

0.5

1.5(4)

Initial error of timing

interval(2)

Each timer, astable(5)

1.5

2.25

Each timer, monostable(3)

TA = MIN to MAX

100(4)

Temperature coefficient of

ppm/

timing interval

°C

Each timer, astable(5)

150

Each timer, monostable(3)

TA = 25°C

0.05

0.2(4)

0.1

0.5

Supply-voltage sensitivity of

%/V

timing interval

Each timer, astable(5)

0.15

0.3

CL = 15 pF,

Output-pulse rise time

100

200(4)

100

300

TA = 25°C

CL = 15 pF,

Output-pulse fall time

100

200(4)

100

300

TA = 25°C

(1)

For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

(2)

Timing interval error is defined as the difference between the measured value and the average value of a random sample from each

process run.

(3)

Values specified are for a device in a monostable circuit similar to Figure 9, with the following component values: RA = 2 kΩ to 100 kΩ,

C = 0.1

µF.

(4)

On products compliant to MIL-PRF-38535, this parameter is not production tested.

(5)

Values specified are for a device in an astable circuit similar to Figure 12, with the following component values: RA = 1 kΩ to 100 kΩ,

C = 0.1

µF.

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