PDF NE556F Data sheet ( Hoja de datos )

Número de pieza	NE556F
Descripción	Dual timer
Fabricantes	Philipss
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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

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