LMC555 Datasheet, PDF (3/12 Pages) National Semiconductor (TI) – CMOS Timer

Absolute Maximum Ratings (Notes 2, 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V⁺
15V
Input Voltages, V_TRIG, V_RES, V_CTRL,
V_THRESH
Output Voltages, V_O, V_DIS
Output Current I_O, I_DIS
Storage Temperature Range
−0.3V to V_S + 0.3V
15V
100 mA
−65˚C to +150˚C
Soldering Information
MDIP Soldering (10 seconds)
260˚C
SOIC, MSOP Vapor Phase (60
sec)
215˚C
SOIC, MSOP Infrared (15 sec)
220˚C
Note: See AN-450 “Surface Mounting Methods and Their Effect on Product
Reliability” for other methods of soldering surface mount devices.
Operating Ratings(Notes 2, 3)
Termperature Range
Thermal Resistance (θ_JA) (Note 2)
SO, 8-lead Small Outline
MSOP, 8-lead Mini Small
Outline
MDIP, 8-lead Molded Dip
8-Bump micro SMD
Maximum Allowable Power
Dissipation @25˚C
MDIP-8
SO-8
MSOP-8
8 Bump micro SMD
−40˚C to +85˚C
169˚C/W
225˚C/W
111˚C/W
220˚C/W
1126mW
740mW
555mW
568mW
Electrical Characteristics (Notes 1, 2)
Test Circuit, T = 25˚C, all switches open, RESET to V_S unless otherwise noted
Symbol Parameter
Conditions
I_S
Supply Current
V_CTRL
Control Voltage
V_DIS
V_OL
Discharge Saturation
Voltage
Output Voltage (Low)
V_OH
Output Voltage
(High)
V_TRIG
I_TRIG
V_RES
I_RES
I_THRESH
I_DIS
t
Trigger Voltage
Trigger Current
Reset Voltage
Reset Current
Threshold Current
Discharge Leakage
Timing Accuracy
∆t/∆V_S
∆t/∆T
f_A
f_MAX
t_R, t_F
Timing Shift with Supply
Timing Shift with
Temperature
Astable Frequency
Maximum Frequency
Output Rise and
Fall Times
V_S = 1.5V
V_S = 5V
V_S = 12V
V_S = 1.5V
V_S = 5V
V_S = 12V
V_S = 1.5V, I_DIS = 1 mA
V_S = 5V, I_DIS = 10 mA
V_S = 1.5V, I_O = 1 mA
V_S = 5V, I_O = 8 mA
V_S = 12V, I_O = 50 mA
V_S = 1.5V, I_O = −0.25 mA
V_S = 5V, I_O = −2 mA
V_S = 12V, I_O = −10 mA
V_S = 1.5V
V_S = 12V
V_S = 5V
V_S = 1.5V (Note 4)
V_S = 12V
V_S = 5V
V_S = 5V
V_S = 12V
SW 2, 4 Closed
V_S = 1.5V
V_S = 5V
V_S = 12V
V_S = 5V ± 1V
V_S = 5V
−40˚C ≤ T ≤ +85˚C
SW 1, 3 Closed, V_S = 12V
Max. Freq. Test Circuit, V_S = 5V
Max. Freq. Test Circuit
V_S = 5V, C_L = 10 pF
Min Typ Max
Units
(Limits)
50
150
100
250
µA
150
400
0.8
1.0
1.2
2.9
3.3
3.8
V
7.4
8.0
8.6
75
150
150
300
mV
0.2
0.4
0.3
0.6
V
1.0
2.0
1.0
1.25
4.4
4.7
V
10.5 11.3
0.4
0.5
0.6
3.7
4.0
4.3
V
10
pA
0.4
0.7
1.0
0.4
0.75
1.1
V
10
pA
10
pA
1.0
100
nA
0.9
1.1
1.25
1.0
1.1
1.20
ms
1.0
1.1
1.25
0.3
%/V
75
ppm/˚C
4.0
4.8
5.6
3.0
15
kHz
MHz
ns
3
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