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MC1455BP1 from ON,ON Semiconductor

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MC1455BP1

Manufacturer: ON, MOTOROLA, MOT, MOTO

Timing Circuits

Partnumber Manufacturer Quantity Availability
MC1455BP1 ON, MOTOROLA, MOT, MOTO 3022 In Stock

Description and Introduction

Timing Circuits The MC1455BP1 is a precision timer integrated circuit (IC) manufactured by **Motorola** (now part of ON Semiconductor). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Motorola  
- **Type:** Precision Timer IC  
- **Model:** MC1455BP1  
- **Package:** DIP-8 (Dual In-line Package)  
- **Operating Voltage Range:** 4.5V to 16V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Output Current (Sink/Source):** Up to 200mA  
- **Timing Accuracy:** High precision (±2% typical)  
- **Trigger/Reset Voltage Levels:** Compatible with TTL/CMOS  

### **Descriptions:**  
- The MC1455BP1 is a highly stable timer IC designed for generating accurate time delays or oscillations.  
- It is functionally equivalent to the NE555 timer but offers improved performance and reliability.  
- Suitable for military and industrial applications due to its wide temperature range.  

### **Features:**  
- **Monostable (One-Shot) or Astable (Oscillator) Operation**  
- **Adjustable Duty Cycle**  
- **High Output Drive Capability**  
- **Low Power Consumption**  
- **TTL-Compatible Trigger and Reset Inputs**  
- **High Noise Immunity**  

This IC is commonly used in applications such as pulse generation, timing circuits, LED flashers, and industrial control systems.  

(Note: Always refer to the official datasheet for detailed electrical characteristics and application notes.)

Application Scenarios & Design Considerations

Timing Circuits

Alternative Part Number

  • NE555P --: Industry-standard 555 timer in DIP-8 package, pin-compatible with MC1455BP1 and widely available from multiple sources.
  • LM555CN --: Classic bipolar 555 timer in DIP-8, functionally equivalent to the MC1455 with similar timing and drive characteristics.
  • TLC555CP --: CMOS 555 timer in DIP-8 offering lower power consumption and higher input impedance, suitable as a drop-in replacement in most MC1455 circuits.

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