Datasheet


 
SLFS043F − SEPTEMBER 1983 − REVISED FEBRUARY 2005
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 1
2
1
−75 − 50 − 25 0 25 75 125
Discharge Switch On-State Resistance −
DISCHARGE SWITCH ON-STATE RESISTANCE
vs
FREE-AIR TEMPERATURE
50 100
10
4
20
100
40
7
70
Ω
T
A
− Free-Air Temperature − °C
V
DD
= 2 V, I
O
= 1 mA
V
DD
= 5 V, I
O
= 10 mA
V
DD
= 15 V, I
O
= 100 mA
Figure 2
100
0
0 2 4 6 8 12 16
PROPAGATION DELAY TIMES TO DISCHARGE
OUTPUT FROM TRIGGER AND THRESHOLD
SHORTED TOGETHER
vs
SUPPLY VOLTAGE
10 14
400
200
500
600
300
V
DD
− Supply Voltage − V
2018
PHL
t,
PLH
t − Propagation Delay Times − ns
t
PLH
†
I
O(on)
≥ 1 mA
C
L
≈ 0
T
A
= 25°C
†
The effects of the load resistance on these values must be
taken into account separately.
t
PHL
APPLICATION INFORMATION
0.1 µF
0.1 µF
C
T
C
L
R
L
Output
R
B
R
A
GND
TRIG
THRES
RESET
DISCH
CONT V
DD
OUT
V
DD
2/3 V
DD
1/3 V
DD
GND
t
PHL
t
PLH
t
c(H)
t
c(L)
CIRCUIT
TRIGGER AND THRESHOLD VOLTAGE WAVEFORM
TLC555
6
1
3
85
4
7
2
Pin numbers shown are for all packages except the
FK package.
Figure 3. Astable Operation