NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022 – SEPTEMBER 1973 – REVISED FEBRUARY 1992
TYPICAL CHARACTERISTICS
†
NORMALIZED OUTPUT PULSE DURATION
(MONOSTABLE OPERATION)
vs
SUPPLY VOLTAGE
Pulse Duration Relative to Value at VCC = 10 V
1.015
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
10
9
8
I CC – Supply Current – mA
7
6
5
TA = –55°C
4
3
2
1
0
5
6
7
8
9
10
11
12
13
14
15
VCC – Supply Voltage – V
TA = 125°C
TA = 25°C
Output Low,
No Load
1.010
1.005
1
0.995
0.990
0.985
0
5
10
15
20
VCC – Supply Voltage – V
Figure 5
NORMALIZED OUTPUT PULSE DURATION
(MONOSTABLE OPERATION)
vs
FREE-AIR TEMPERATURE
1.015
Pulse Duration Relative to Value at TA = 25
°
C
VCC = 10 V
1.010
tPD – Propagation Delay Time – ns
250
300
Figure 6
PROPAGATION DELAY TIME
vs
LOWEST VOLTAGE LEVEL
OF TRIGGER PULSE
TA = –55°C
200
TA = 0°C
150
1.005
1
0.995
100
TA = 25°C
TA = 70°C
TA = 125°C
0.990
50
0.985
–75
0
–50
–25
0
25
50
75
100 125
0
0.1 x VCC
0.2 x VCC
0.3 x VCC
0.4 x VCC
TA – Free-Air Temperature –
°C
Lowest Voltage Level of Trigger Pulse
Figure 7
† Data for temperatures below 0°C and above 70°C are applicable for SE555 circuits only.
Figure 8
8
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