Datasheet

NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022A – SEPTEMBER 1973 – REVISED SEPTEMBER 2000
6
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
NE555Y
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP MAX
UNIT
THRES voltage level
V
CC
= 15 V 8.8 10 11.2
V
THRES
v
oltage
le
v
el
V
CC
= 5 V 2.4 3.3 4.2
V
THRES current (see Note 4) 30 250 nA
TRIG voltage level
V
CC
= 15 V 4.5 5 5.6
V
TRIG
v
oltage
le
v
el
V
CC
= 5 V 1.1 1.67 2.2
V
TRIG current TRIG at 0 V 0.5 2 µA
RESET voltage level 0.3 0.7 1 V
RESET current
RESET at V
CC
0.1 0.4
mA
RESET
c
u
rrent
RESET at 0 V –0.4 –1.5
mA
DISCH switch off-state current 20 100 nA
CONT voltage (o
p
en circuit)
V
CC
= 15 V 9 10 11
V
CONT
v
oltage
(open
circ
u
it)
V
CC
= 5 V 2.6 3.3 4
V
I
OL
= 10 mA 0.1 0.25
V
CC
=15V
I
OL
= 50 mA 0.4 0.75
Low level out
p
ut voltage
V
CC
=
15
V
I
OL
= 100 mA 2 2.5
V
Lo
w-
le
v
el
o
u
tp
u
t
v
oltage
I
OL
= 200 mA 2.5
V
V
CC
=5V
I
OL
= 5 mA 0.1 0.35
V
CC
=
5
V
I
OL
= 8 mA 0.15 0.4
V
CC
=15V
I
OH
= –100 mA 12.75 13.3
High-level output voltage
V
CC
=
15
V
I
OH
= –200 mA 12.5
V
V
CC
= 5 V I
OH
= –100 mA 2.75 3.3
Out
p
ut low No load
V
CC
= 15 V 10 15
Su
pp
ly current
O
u
tp
u
t
lo
w,
No
load
V
CC
= 5 V 3 6
mA
S
u
ppl
y
c
u
rrent
Out
p
ut high No load
V
CC
= 15 V 9 13
mA
O
u
tp
u
t
high
,
No
load
V
CC
= 5 V 2 5
NOTES: 4. 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.
operating characteristics, V
CC
= 5 V and 15 V, T
A
= 25°C (unless otherwise noted)
PARAMETER
TEST
NE555Y
UNIT
PARAMETER
CONDITIONS
MIN TYP MAX
UNIT
Initial error of timing interval
†
Each timer, monostable
‡
1% 3%
I
n
iti
a
l
error o
f
ti
m
i
ng
i
n
t
erva
l
†
Each timer, astable
§
2.25%
Su
pp
ly voltage sensitivity of timing interval
Each timer, monostable
‡
0.1 0.5
%/V
S
u
ppl
y-v
oltage
sensiti
v
it
y
of
timing
inter
v
al
Each timer, astable
§
0.3
%/V
Output-pulse rise time
C
L
=15
p
F
100 300
ns
Output-pulse fall time
C
L
=
15
pF
100 300
ns
†
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.