(China (Mainland))
Product Summary
The MC3456P is a highly stable controller capable of producing accurate time delays, or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor per timer. For astable operation as an oscillator, the free running frequency and the duty cycle are both accurately controlled with two external resistors and one capacitor per timer. The MC3456P may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200 mA or drive MTTL circuits.
Parametrics
MC3456P absolute maximum ratings: (1)Power Supply Voltage, VCC: +18 Vdc; (2)Discharge Current, Idis: 200 mA; (3)Power Dissipation, PD: 625mW; (4)Operating Ambient Temperature Range, TA: 0 to +70℃; (5)Storage Temperature Range, Tstg: –65 to +150℃.
Features
MC3456P features: (1)Direct Replacement for NE556/SE556 Timers; (2)Timing from Microseconds through Hours; (3)Operates in Both Astable and Monostable Modes; (4)Adjustable Duty Cycle; (5)High Current Output can Source or Sink 200 mA; (6)Output can Drive MTTL; (7)Temperature Stability of 0.005% per ℃; (8)Normally On or Normally Off Output; (9)Dual Version of the Popular MC1455 Timer.
Diagrams
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