Datasheet

NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022A – SEPTEMBER 1973 – REVISED SEPTEMBER 2000
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics, V
CC
= 5 V to 15 V, T
A
= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS
SE555
NE555
SA555
SE555C
UNIT
MIN TYP MAX MIN TYP MAX
THRES voltage level
V
CC
= 15 V 9.4 10 10.6 8.8 10 11.2
V
THRES
v
oltage
le
v
el
V
CC
= 5 V 2.7 3.3 4 2.4 3.3 4.2
V
THRES current (see Note 3) 30 250 30 250 nA
V
CC
=15V
4.8 5 5.2 4.5 5 5.6
TRIG voltage level
V
CC
=
15
V
T
A
= –55°C to 125°C 3 6
V
TRIG
v
oltage
le
v
el
V
CC
=5V
1.45 1.67 1.9 1.1 1.67 2.2
V
V
CC
=
5
V
T
A
= –55°C to 125°C 1.9
TRIG current TRIG at 0 V 0.5 0.9 0.5 2 µA
RESET voltage level
0.3 0.7 1 0.3 0.7 1
V
RESET
v
oltage
le
v
el
T
A
= –55°C to 125°C 1.1
V
RESET current
RESET at V
CC
0.1 0.4 0.1 0.4
mA
RESET
c
u
rrent
RESET at 0 V –0.4 –1 –0.4 –1.5
mA
DISCH switch off-state current 20 100 20 100 nA
V
CC
=15V
9.6 10 10.4 9 10 11
CONT voltage (o
p
en circuit)
V
CC
=
15
V
T
A
= –55°C to 125°C 9.6 10.4
V
CONT
v
oltage
(open
circ
u
it)
V
CC
=5V
2.9 3.3 3.8 2.6 3.3 4
V
V
CC
=
5
V
T
A
= –55°C to 125°C 2.9 3.8
V
CC
= 15 V,
0.1 0.15 0.1 0.25
CC
I
OL
= 10 mA
T
A
= –55°C to 125°C 0.2
V
CC
= 15 V,
0.4 0.5 0.4 0.75
CC
I
OL
= 50 mA
T
A
= –55°C to 125°C 1
V
CC
= 15 V,
2 2.2 2 2.5
Low
-
level out
p
ut voltage
CC
I
OL
= 100 mA
T
A
= –55°C to 125°C 2.7
V
Low-level
out ut
voltage
V
CC
= 15 V, I
OL
= 200 mA 2.5 2.5
V
V
CC
= 5 V,
I
OL
= 3.5 mA
T
A
= –55°C to 125°C 0.35
V
CC
= 5 V,
0.1 0.2 0.1 0.35
CC
I
OL
= 5 mA
T
A
= –55°C to 125°C 0.8
V
CC
= 5 V, I
OL
= 8 mA 0.15 0.25 0.15 0.4
V
CC
= 15 V,
13 13.3 12.75 13.3
CC
I
OH
= –100 mA
T
A
= –55°C to 125°C 12
High-level output voltage
V
CC
= 15 V, I
OH
= –200 mA 12.5 12.5
V
V
CC
= 5 V,
3 3.3 2.75 3.3
CC
I
OH
= –100 mA
T
A
= –55°C to 125°C 2
Output low,
V
CC
= 15 V 10 12 10 15
Su
pp
ly current
No load
V
CC
= 5 V 3 5 3 6
mA
S
u
ppl
y
c
u
rrent
Output high,
V
CC
= 15 V 9 10 9 13
mA
g
No load
V
CC
= 5 V 2 4 2 5
NOTE 3: This parameter influences the maximum value of the timing resistors R
A
and R
B
in the circuit of Figure 12. For example, when
V
CC
= 5 V, the maximum value is R = R
A
+ R
B
≈ 3.4 MΩ, and for V
CC
= 15 V, the maximum value is 10 MΩ.