NA SA SE555 SE555C Timer Datasheet.pdf

Philips
Semiconductors
NE/SA/SE555/SE555C
Timer
Product data
Supersedes data of 1994 Aug 31
2003 Feb 14
INTEGRATED CIRCUITS
Philips Semiconductors Product data
NE/SA/SE555/SE555CTimer
2
2003 Feb 14
DESCRIPTION
The 555 monolithic timing circuit is a highly stable controller capable
of producing accurate time delays, or oscillation. In the time delay
mode of operation, the time is precisely controlled by one external
resistor and capacitor. For a stable operation as an oscillator, the
free running frequency and the duty cycle are both accurately
controlled with two external resistors and one capacitor. The circuit
may be triggered and reset on falling waveforms, and the output
structure can source or sink up to 200 mA.
FEATURES
•
Turn-off time less than 2 µs
•
Max. operating frequency greater than 500 kHz
•
Timing from microseconds to hours
•
Operates in both astable and monostable modes
•

High output current
•
Adjustable duty cycle
•
TTL compatible
•
Temperature stability of 0.005% per °C
APPLICATIONS
•
Precision timing
•
Pulse generation
•
Sequential timing
•
Time delay generation
•
Pulse width modulation
PIN CONFIGURATION
1
2
3
45
6
7
8
GND
TRIGGER
OUTPUT
RESET

DISCHARGE
THRESHOLD
CONTROL VOLTAGE
V
CC
D and N Packages
SL00349
Figure 1. Pin configuration
BLOCK DIAGRAM
COMPARATOR
COMPARATOR
FLIP FLOP
OUTPUT
STAGE
THRESHOLD
V
CC
6
7
31
4
2
5
8
R
R
R
CONTROL
VOLTAGE
TRIGGER

RESET
DISCHARGE
OUTPUT GND
SL00350
Figure 2. Block Diagram
ORDERING INFORMATION
DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG #
8-Pin Plastic Small Outline (SO) Package 0 to +70 °C NE555D SOT96-1
8-Pin Plastic Dual In-Line Package (DIP) 0 to +70 °C NE555N SOT97-1
8-Pin Plastic Small Outline (SO) Package –40 °C to +85 °C SA555D SOT96-1
8-Pin Plastic Dual In-Line Package (DIP) –40 °C to +85 °C SA555N SOT97-1
8-Pin Plastic Dual In-Line Package (DIP) –55 °C to +125 °C SE555CN SOT97-1
8-Pin Plastic Dual In-Line Package (DIP) –55 °C to +125 °C SE555N SOT97-1
Philips Semiconductors Product data
NE/SA/SE555/SE555CTimer
2003 Feb 14
3
EQUIVALENT SCHEMATIC
NOTE: Pin numbers are for 8-Pin package
CONTROL VOLTAGE
FM
V
CC
R1
4.7 kΩ
R2
330 Ω
R3
4.7 kΩ
R4

1 kΩ
R7
5 kΩ
R12
6.8
kΩ
Q21
Q9
Q8
Q7Q6
Q5
Q1
Q2 Q3
Q4
Q19
Q22
R13
3.9 kΩ
OUTPUT
Q23
C
B
R10
82 kΩ
R5
10 kΩ
Q10
Q11 Q12
Q13
Q20

R11
4.7 kΩ
CB
Q18
E
R8
5 kΩ
Q17
Q16
Q15
R6
100 kΩ
R16
100 Ω
Q14
Q25
R9
5 kΩ
R15
4.7 kΩ
Q24
R14
220 Ω
THRESHOLD
TRIGGER
RESET
DISCHARGE
GND
SL00351
Figure 3. Equivalent schematic

ABSOLUTE MAXIMUM RATINGS
SYMBOL PARAMETER RATING UNIT
Supply voltage
V
CC
SE555 +18 V
NE555, SE555C, SA555 +16 V
P
D
Maximum allowable power dissipation
1
600 mW
Operating ambient temperature range
T
amb
NE555 0 to +70 °C
T
amb
SA555 –40 to +85 °C
SE555, SE555C –55 to +125 °C
T
stg
Storage temperature range –65 to +150 °C
T
SOLD
Lead soldering temperature (10 sec max) +230 °C
NOTE:
1. The junction temperature must be kept below 125 °C for the D package and below 150°C for the N package.
At ambient temperatures above 25 °C, where this limit would be derated by the following factors:
D package 160 °C/W

N package 100 °C/W
Philips Semiconductors Product data
NE/SA/SE555/SE555CTimer
2003 Feb 14
4
DC AND AC ELECTRICAL CHARACTERISTICS
T
amb
= 25 °C, V
CC
= +5 V to +15 V unless otherwise specified.
SYMBOL PARAMETER TEST CONDITIONS
SE555 NE555/SA555/SE555C
UNITSYMBOL PARAMETER TEST CONDITIONS
Min Typ Max Min Typ Max
UNIT
V
CC
Supply voltage 4.5 18 4.5 16 V
I
CC
Supply current (low state)
1
V
CC
= 5 V, R
L
= ∞ 3 5 3 6 mA
I
CC

Su ly current (low state)
V
CC
= 15 V, R
L
= ∞ 10 12 10 15 mA
Timing error (monostable) R
A
= 2 kΩ to 100 kΩ
t
M
Initial accuracy
2
C=0.1 µF 0.5 2.0 1.0 3.0 %
∆t
M
/∆T Drift with temperature 30 100 50 150 ppm/°C
∆t
M
/∆V
S
Drift with supply voltage 0.05 0.2 0.1 0.5 %/V
Timing error (astable) R
A
, R
B
= 1 kΩ to 100 kΩ
t
A
Initial accuracy

2
C = 0.1 µF 4 6 5 13 %
∆t
A
/∆T Drift with temperature V
CC
= 15 V 500 500 ppm/°C
∆t
A
/∆V
S
Drift with supply voltage 0.15 0.6 0.3 1 %/V
V
C
Control voltage level
V
CC
= 15 V 9.6 10.0 10.4 9.0 10.0 11.0 V
V
C
Control voltage level
V
CC
= 5 V 2.9 3.33 3.8 2.6 3.33 4.0 V
V
TH
Threshold voltage
V
CC
= 15 V 9.4 10.0 10.6 8.8 10.0 11.2 V

V
TH
Threshold voltage
V
CC
= 5 V 2.7 3.33 4.0 2.4 3.33 4.2 V
I
TH
Threshold current
3
0.1 0.25 0.1 0.25 µA
V
TRIG
Trigger voltage
V
CC
= 15 V 4.8 5.0 5.2 4.5 5.0 5.6 V
V
TRIG
Trigger voltage
V
CC
= 5 V 1.45 1.67 1.9 1.1 1.67 2.2 V
I
TRIG
Trigger current V
TRIG
= 0 V 0.5 0.9 0.5 2.0 µA
V
RESET

Reset voltage
4
V
CC
= 15 V, V
TH

= 10.5 V 0.3 1.0 0.3 1.0 V
I
RESET
Reset current V
RESET
= 0.4 V 0.1 0.4 0.1 0.4 mA
I
RESET
Reset current V
RESET
= 0 V 0.4 1.0 0.4 1.5 mA
V
CC
= 15 V
I
SINK
= 10 mA 0.1 0.15 0.1 0.25 V
I
SINK
= 50 mA 0.4 0.5 0.4 0.75 V
V
O
LOW level output voltage

I
SINK
= 100 mA 2.0 2.2 2.0 2.5 V
V
OL
LOW-level output voltage
I
SINK
= 200 mA 2.5 2.5 V
V
CC
= 5 V
I
SINK
= 8 mA 0.1 0.25 0.3 0.4 V
I
SINK
= 5 mA 0.05 0.2 0.25 0.35 V
V
CC
= 15 V
I
SOURCE
= 200 mA 12.5 12.5 V
V
OH
HIGH-level output voltage
I
SOURCE
= 100 mA 13.0 13.3 12.75 13.3 V

OH
g
V
CC
= 5 V
I
SOURCE
= 100 mA 3.0 3.3 2.75 3.3 V
t
OFF
Turn-off time
5
V
RESET
= V
CC
0.5 2.0 0.5 2.0 µs
t
R
Rise time of output 100 200 100 300 ns
t
F
Fall time of output 100 200 100 300 ns
Discharge leakage current 20 100 20 100 nA
NOTES:
1. Supply current when output high typically 1 mA less.
2. Tested at V
CC
= 5 V and V
CC

= 15 V.
3. This will determine the max value of R
A
+R
B
, for 15 V operation, the max total R = 10 MΩ, and for 5 V operation, the max. total R = 3.4 MΩ.
4. Specified with trigger input HIGH.
5. Time measured from a positive-going input pulse from 0 to 0.8×V
CC
into the threshold to the drop from HIGH to LOW of the output. Trigger is
tied to threshold.
Philips Semiconductors Product data
NE/SA/SE555/SE555CTimer
2003 Feb 14
5
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Pulse Width
Required for Triggering
Supply Current
vs Supply Voltage
Low Output Voltage
vs Output Sink Current
Low Output Voltage
vs Output Sink Current
Low Output Voltage
vs Output Sink Current
Delay Time
vs Temperature
Delay Time
vs Supply Voltage

Propagation Delay vs Voltage
Level of Trigger Pulse
High Output Voltage Drop
vs Output Source Current
MINIMUM PULSE WIDTH (ns)
LOWEST VOLTAGE LEVEL OF TRIGGER PULSE
150
125
100
75
50
25
0
0 0.1 0.2 0.3
0.4 (×V
CC
)
–55 °C
0 °C
+25 °C
+70 °C
+125 °C
10.0
8.0
6.0
4.0
2.0
0
5.0 10.0 15.0
SUPPLY VOLTAGE – VOLTS

SUPPLY CURRENT – mA
1.015
1.010
1.005
1.000
0.995
0.990
0.985
-50 -25 0 +25 +50 +75 +100+125
NORMALIZED DELAY TIME
TEMPERATURE – °C
10
1.0
0.1
0.001
1.0 2.0 5.0 10 20 50 100
10
1.0
0.1
0.01
1.0 2.0 5.0 10 20 50 100
10
1.0
0.1
0.01
1.0 2.0 5.0 10 20 50 100
1.0 2.0 5.0 10 20 50 100
2.0
1.8
1.6

1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0 5 10 15 20
0 0.1 0.2 0.3 0.4
300
250
200
150
100
50
0
V – VOLTS
OUT
V – VOLTS
OUT
V – VOLTS
OUT

V – VOLTS
OUT
V
CC
NORMALIZED DELAY TIME
PROPAGATION DELAY – ns
I
SINK
– mA I
SINK
– mA I
SINK
– mA
I
SOURCE
– mA
SUPPLY VOLTAGE – V LOWEST VOLTAGE LEVEL
OF TRIGGER PULSE – ×V
CC
+125 °C
+25 °C
–55 °C
V
CC
= 5 V
V
CC
= 10 V
V
CC

= 15 V
–55 °C
+25 °C
+25 °C
–55 °C
+25 °C
+25 °C
+25 °C
+25 °C
–55 °C
–55 °C
–55 °C
+25 °C
+25 °C
–55 °C
+25 °C
+125 °C
5 V ≤ V
CC
≤ 15 V
–55 °C
0 °C
+25 °C
+70 °C
+25 °C
SL00352
Figure 4. Typical Performance Characteristics