NE555/SA555/NA555

PRECISION TIMERS

NE555/SA555/NA555

Document number: DS35112 Rev. 4 - 2

4 of 14

www.diodes.com

February 2012

© Diodes Incorporated

Symbol

Parameter

Test conditions

Min

Typ.

Max

Unit

Low level output voltage

0.1

0.25

V

0.4

0.75

2

2.5

2.5

0.1

0.35

0.15

0.4

High level output voltage

12.75

13.3

V

12.5

2.75

3.3

Supply current

Output low, no load

10

15

mA

3

6

Output high, no load

9

13

2

5

Initial error of timing interval

(Note 8)

Each time, monostable

(Note 9)

1

3

%

Each time, astable

(Note 10)

2.25

Temperature coefficient of timing

interval

Each time, monostable

(Note 9)

range

50

ppm/°C

Each time, astable

(Note 10)

150

Supply voltage sensitivity of

timing interval

Each time, monostable

(Note 9)

0.1

0.5

%/V

Each time, astable

(Note 10)

0.3

Output pulse rise time

100

300

ns

Output pulse fall time

100

300

ns

Notes:

7. No protection against excessive pin 7 current is necessary providing package dissipation rating is not exceeded

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