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MC1455 Timer: MC1455 Datasheet, Pinout, MC1455 vs. 555

Clock/Timing - Programmable Timers and Oscillators 8-DIP (0.300, 7.62mm) MC1455 4.5V~16V 0°C~70°C ON SEMICONDUCTOR MC1455P1G IC, TIMING CIRCUIT, 1455, DIP8

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Nov 11, 2021

Nigel Frances

MC1455 alternative for 555

Clock/Timing - Programmable Timers and Oscillators 8-DIP (0.300, 7.62mm) MC1455 4.5V~16V 0°C~70°C ON SEMICONDUCTOR MC1455P1G IC, TIMING CIRCUIT, 1455, DIP8

The MC1455 monolithic timing circuit is a highly stable controller capable of producing accurate time delays or oscillation. This article will unlock more details about MC1455. There is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.

MC1455P1G

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MC1455 Pinout

MC1455 Pinout

MC1455 CAD Model

MC1455 Symbol

 

MC1455 Footprint

 

MC1455 3D Model

MC1455 Description

The MC1455 monolithic 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 the time delay mode, 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 200 mA or drive TTL circuits.

MC1455 Feature

• Direct Replacement for NE555 Timers
• Timing from Microseconds through Hours
• Operates in Both  Astable  and Monostable Modes
• Adjustable Duty Cycle
• High Current Output Can Source or Sink 200 mA
• Output Can Drive TTL
• Temperature Stability of 0.005% per °C
• Normally ON or Normally OFF Output
• Pb−Free Packages are Available

MC1455 Application

  • Precision Timing

  • Pulse generation

  • Sequential timing

  • Time delay generation

  • Pulse width modulation

  • Pulse position modulation

  • Missing Pulse Detector

MC1455 Schematic

MC1455 Schematic

MC1455 Block Diagram

MC1455 Block Diagram

Specifications

ON Semiconductor MC1455P1G technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor MC1455P1G.

MC1455P1G Tech Specifications

ON Semiconductor MC1455P1G technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor MC1455P1G.

Product Attribute Attribute Value
Lifecycle StatusOBSOLETE (Last Updated: 2 days ago)
MountThrough Hole
Mounting TypeThrough Hole
Package / Case8-DIP (0.300, 7.62mm)
Number of Pins8Pins
Weight4.535924g
Operating Temperature0°C~70°C
PackagingTube
Published2006
JESD-609 Codee3
Pbfree Codeyes
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations8Terminations
Product Attribute Attribute Value
ECCN CodeEAR99
Type555 Type, Timer/Oscillator (Single)
Terminal FinishTin (Sn)
Max Power Dissipation625mW
Voltage - Supply4.5V~16V
Terminal PositionDUAL
Peak Reflow Temperature (Cel)260
Number of Functions1Function
Supply Voltage5V
Terminal Pitch2.54mm
Current Rating10A
Time@Peak Reflow Temperature-Max (s)40
Base Part NumberMC1455
Pin Count8
Product Attribute Attribute Value
Supply Voltage-Min (Vsup)4.5V
Operating Supply Current10mA
Power Dissipation625mW
Number of Timers/Counters1Timers/Counter
High Level Output Current-200mA
Low Level Output Current200mA
Height3.429mm
Length10.16mm
Width6.604mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead FreeLead Free
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MC1455 Package

MC1455 Package

MC1455 Manufacturer

ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy-efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications.  ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centres in key markets throughout North America, Europe, and the Asia Pacific regions.

Datasheet PDF

Download datasheets and manufacturer documentation for ON Semiconductor MC1455P1G.

MC1455P1G Documents

Download datasheets and manufacturer documentation for MC1455P1G

Frequently Asked Questions

What is timer in control circuit?
The timer is a relay having such an output (with or without contact) that electrically closes (turns ON) or opens (turns OFF) the circuit after a preset time elapses when electrical or mechanical input is given.
How does a time delay circuit work?
Time delay relays are simply controlled relays with a time delay function built-in. They control an event, by energising the secondary circuit, after a certain amount of time or for a certain amount of time, some can even do both.
FAQ
What is timer in control circuit?
The timer is a relay having such an output (with or without contact) that electrically closes (turns ON) or opens (turns OFF) the circuit after a preset time elapses when electrical or mechanical input is given.
How does a time delay circuit work?
Time delay relays are simply controlled relays with a time delay function built-in. They control an event, by energising the secondary circuit, after a certain amount of time or for a certain amount of time, some can even do both.

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