Datasheet
NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022A – SEPTEMBER 1973 – REVISED SEPTEMBER 2000
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
operating characteristics, V
CC
= 5 V and 15 V
PARAMETER
TEST
CONDITIONS
†
SE555
NE555
SA555
SE555C
UNIT
MIN TYP MAX MIN TYP MAX
Initial error of timin
g
Each timer, monostable
§
T
A
=25
°
C
0.5% 1.5%* 1% 3%
Initial
error
of
timing
interval
‡
Each timer, astable
¶
T
A
=
25°C
1.5% 2.25%
Temperature coefficient
Each timer, monostable
§
T
A
= MIN to MAX
30 100* 50
pp
m/
°
C
of timing interval
Each timer, astable
¶
T
A
=
MIN
to
MAX
90 150
ppm/°C
Supply-voltage sensitivity
Each timer, monostable
§
T
A
=25
°
C
0.05 0.2* 0.1 0.5
%/V
yg y
of timing interval
Each timer, astable
¶
T
A
=
25°C
0.15 0.3
%/V
Output-pulse rise time
C
L
= 15 pF,
100 200* 100 300
ns
Output-pulse fall time
L
T
A
= 25°C
100 200* 100 300
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process
run.
§
Values specified are for a device in a monostable circuit similar to Figure 9, with the following component values: R
A
= 2 kΩ to 100 kΩ,
C = 0.1 µF.
¶
Values specified are for a device in an astable circuit similar to Figure 12, with the following component values: R
A
= 1 kΩ to 100 kΩ,
C = 0.1 µF.