NE555/SA555/SE555
OPERATING CONDITIONS
Symbol
V
CC
V
th
, V
trig
, V
cl
, V
reset
Supply Voltage
Maximum Input Voltage
Parameter
SE555
4.5 to 18
V
CC
NE555 - SA555
4.5 to 16
V
CC
Unit
V
V
555-03.TBL
555-04.TBL
ELECTRICAL CHARACTERISTICS
T
amb
= +25
o
C, V
CC
= +5V to +15V (unless otherwise specified)
Symbol
I
CC
Parameter
Supply Current (R
L
∞)
(- note 1)
Low State
V
CC
= +5V
V
CC
= +15V
High State
V
CC
= 5V
Timing Error (monostable)
(R
A =
2k to 100kΩ, C = 0.1µF)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
Timing Error (astable)
(R
A
, R
B
= 1kΩ to 100kΩ, C = 0.1µF,
V
CC
= +15V)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
V
CL
Control Voltage level
V
CC
= +15V
V
CC
= +5V
Threshold Voltage
V
CC
= +15V
V
CC
= +5V
Threshold Current - (note 3)
Trigger Voltage
V
CC
= +15V
V
CC
= +5V
Trigger Current (V
trig
= 0V)
Reset Voltage - (note 4)
Reset Current
V
reset
= +0.4V
V
reset
= 0V
V
OL
Low Level Output Voltage
V
CC
= +15V, I
O(sink)
= 10mA
I
O(sink)
= 50mA
I
O(sink)
= 100mA
I
O(sink)
= 200mA
V
CC
= +5V, I
O(sink)
= 8mA
I
O(sink)
= 5mA
High Level Output Voltage
V
CC
= +15V, I
O(source)
= 200mA
I
O(source)
= 100mA
V
CC
= +5V, I
O(source)
= 100mA
0.1
0.4
0.1
0.4
2
2.5
0.1
0.05
12.5
13.3
3.3
0.4
1
0.15
0.5
2.2
0.25
0.2
0.1
0.4
0.1
0.4
2
2.5
0.3
0.25
12.5
13.3
3.3
0.4
1.5
V
0.25
0.75
2.5
0.4
0.35
V
13
3
12.75
2.75
0.4
4.8
1.45
9.6
2.9
9.4
2.7
SE555
Min.
Typ.
3
10
2
Max.
5
12
NE555 - SA555
Min.
Typ.
3
10
2
Max.
6
15
Unit
mA
0.5
30
0.05
2
100
0.2
1
50
0.1
3
0.5
%
ppm/°C
%/V
1.5
90
0.15
10
3.33
10
3.33
0.1
5
1.67
0.5
0.7
10.4
3.8
10.6
4
0.25
5.2
1.9
0.9
1
0.4
4.5
1.1
9
2.6
8.8
2.4
2.25
150
0.3
10
3.33
10
3.33
0.1
5
1.67
0.5
0.7
11
4
%
ppm/°C
%/V
V
V
th
V
11.2
4.2
0.25
5.6
2.2
2.0
1
µA
V
mA
µA
V
I
th
V
trig
I
trig
V
reset
I
reset
V
OH
Notes :
1. Supply current when output is high is typically 1mA less.
2. Tested at V
CC
= +5V and V
CC
= +15V.
3. This will determine the maximum value of R
A
+ R
B
for +15V operation the max total is R = 20MΩ and for 5V operation,
the max total R = 3.5MΩ.
3/10
STMICROELECTRONICS [ STMICROELECTRONICS ]
