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Número de pieza | NE556N | |
Descripción | Dual timer | |
Fabricantes | Philipss | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de NE556N (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
No Preview Available ! Philips Semiconductors Linear Products
Dual timer
Product specification
NE/SA/SE556/NE556-1
DESCRIPTION
Both the 556 and 556-1 Dual Monolithic timing circuits are highly
stable controllers capable of producing accurate time delays or
oscillation. The 556 and 556-1 are a dual 555. Timing is provided by
an external resistor and capacitor for each timing function. The two
timers operate independently of each other, sharing only VCC and
ground. The circuits may be triggered and reset on falling
waveforms. The output structures may sink or source 200mA.
FEATURES
• Turn-off time less than 2µs (556-1)
• Maximum operating frequency >500kHz (556-1)
• Timing from microseconds to hours
• Replaces two 555 timers
• Operates in both astable and monostable modes
• High output current
• Adjustable duty cycle
• TTL compatible
• Temperature stability of 0.005%/°C
• SE556-1 compliant to MIL-STD or JAN
APPLICATIONS
• Precision timing
• Sequential timing
• Pulse shaping
BLOCK DIAGRAM
1
DISCHARGE
2
THRESHOLD
3
CONTROL VOLTAGE
RESET 4
5
OUTPUT
COMP
FLIP FLOP
PIN CONFIGURATION
D, F, N Packages
DISCHARGE 1
THRESHOLD 2
CONTROL VOLTAGE 3
RESET 4
OUTPUT 5
TRIGGER 6
GND 7
14 VCC
13 DISCHARGE
12 THRESHOLD
11 CONTROL VOLTAGE
10 RESET
9 OUTPUT
8 TRIGGER
• Pulse generator
• Missing pulse detector
• Tone burst generator
• Pulse width modulation
• Time delay generator
• Frequency division
• Touch-Tone®encoder
• Industrial controls
• Pulse position modulation
• Appliance timing
• Traffic light control
COMP
14 VCC
13 DISCHARGE
12
THRESHOLD
11
CONTROL VOLTAGE
10
RESET
FLIP FLOP
9
OUTPUT
6
TRIGGER
GROUND 7
®Touch-Tone is a registered trademark of AT&T
COMP
COMP
8
TRIGGER
August 31, 1994
353 853-0035 13721
1 page Philips Semiconductors Linear Products
Dual timer
Product specification
NE/SA/SE556/NE556-1
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Pulse Width
Required for Triggering
150
125
100 –55oC
0oC
75
50
25
0
0
+25oC
+70oC
+125oC
0.1 0.2 0.3
0.4(XVCC)
LOWEST VOLTAGE LEVEL
OF TRIGGER PULSE
Supply Current
VS Supply Voltage
10.0
+125oC
8.0
+25oC
6.0
4.0
55oC
2.0
0
5.0 10.0
15.0
SUPPLY VOLTAGE — VOLTS
High Output Voltage Drop
vs Output Source Current
2.0
1.8 55oC
1.6 +25oC
1.4
1.2 +125oC
1.0
0.8
0.6
0.4
0.2 5V = VCC = 15V
0
1.0 2.0
5.0 10 20
50 100
ISOURCE — mA
Low Output Voltage
vs Output Sink Current
10
VCC = 5V
1.0 55oC
0.1
+25oC
+125oC
0.01
1.0 2.0
5.0 10 20
ISINK — mA
50 100
1.015
1.010
Delay Time
vs Temperature
1.005
1.000
0.995
0.990
0.985
–50 25 0 +25 +50 +75 +100 +125
TEMPERATURE — oC
Low Output Voltage
vs Output Sink Current
10
VCC = 10V
–55oC
1.0 +25oC
+25oC
0.1 +125oC
–55oC
+125oC
0.01
1.0 2.0
5.0 10 20
ISINK — mA
50 100
1.015
1.010
Delay Time
vs Supply Voltage
1.005
1.000
0.995
0.990
0.985
0
5 10 15
SUPPLY VOLTAGE — V
20
Low Output Voltae
vs Output Sink Current
10
VCC = 15V
1.0
0.1
0.01
1.0
2.0
5.0 10 20
ISINK — mA
50 100
Propagation Delay vs Voltage
Level of Trigger Pulse
300
250
–55oC
200
0oC
150
100 +25oC
+70oC
50 +125oC
0
0 0.1 0.2 0.3
LOWEST VOLTAGE LEVEL
OF TRIGGER PULSE — XVCC
0.4
August 31, 1994
357
5 Page |
Páginas | Total 5 Páginas | |
PDF Descargar | [ Datasheet NE556N.PDF ] |
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