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NTE955
Part Number
NTE955
Manufacturer
NTE Electronics
Published
May 12, 2005
Description
Integrated Circuit Timing Circuit
Detailed Description
NTE955M NTE955S NTE955SM Integrated Circuit Timing Circuit Descri
Datasheet
NTE955
PDF File
Overview
NTE955M NTE955S NTE955SM Integrated Circuit Timing Circuit Description: The NTE955 series timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation.
Additional terminals are provided for triggering or resetting if desired.
In time delay mode of operation, the time is precisely controlled by one external resistor and capacitor.
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.
The circuit may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200mA or drive TTL circuits.
Features: D Direct Replacement for 555 Timers D Timing from Microseconds through Hours D Operates in Both Astable and Monostable Modes D Adjustable Duty Cycle D High Current Output Can Source or Sink 200mA D Output and Supply TTL Compatible TTL D Temperature Stability of 0.
005% per °C D Normally “ON” or Normally “OFF” Output D Available in Three Types: NTE955M – 8–Lead DIP NTE955S – 8–Lead SIP NTE955SM – SOIC–8 (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: (TA = +25°C unless otherwise specified) Power Supply Voltage.
VCC .
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18V Discharge Current (Pin7), I7 .
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200mA Power Dissipation, PD .
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625mW Derate Above 25°C .
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5mW/°C Operating Temperature Range, TA .
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