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PDF NTE978SM Data sheet ( Hoja de datos )
| Número de pieza | NTE978SM | |
| Descripción | Integrated Circuit Dual Timer | |
| Fabricantes | NTE Electronics | |
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NTE978/NTE978C/NTE978SM
Integrated Circuit
Dual Timer
Description:
The NTE978 series dual timing circuit is a highly stable controller capable of producing accurate time
delays or oscillation. The NTE978 is a dual NTE955. 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 GND. The circuits may be triggered and reset on falling waveforms. The output structures
may sink or source 200mA.
Features:
D Direct Replacement for 556 Timers
D Replaces Two 555 Timers
D Timing from Microseconds through Hours
D Operates in both Astable and Monostable Modes
D Adjustable Duty Cycle
D Output can Source or Sink 200mA
D Output and Supply TTL Compatible
D Temperature Stability better than 0.005% per °C
D Normally On and Normally Off Output
D Available in Three Types:
NTE978 14–Lead DIP
NTE978C 14–Lead DIP (CMOS)
NTE978SM SOIC–14 (Surface Mount)
Applications:
D Precision Timing
D Pulse Generation
D Sequential Timing
D Time Delay Generation
D Pulse Width Modulation
D Pulse Position Modulation
D Linear Ramp Generator
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18V
Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1620mW
Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Lead Temperature (During Soldering, 10sec Max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
Note 1. For operating at elevated temperaturesthe device must be derated based on a +150°C maxi-
mum junction temperature and a thermal resistance of +77°C/W for NTE978 and NTE978C
and +110°C/W for NTE978SM.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet NTE978SM.PDF ] | |
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