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KA555 from FAIRCHILD,Fairchild Semiconductor

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15.625ms

KA555

Manufacturer: FAIRCHILD

Single Timer

Partnumber Manufacturer Quantity Availability
KA555 FAIRCHILD 50 In Stock

Description and Introduction

Single Timer The KA555 is a precision timing circuit manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage (VCC):** 4.5V to 16V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Output Current (Sink/Source):** Up to 200mA  
- **Timing Accuracy:** ±1% (typical)  
- **Trigger Voltage (Threshold):** Typically 2/3 VCC  
- **Trigger Current:** 0.5μA (max)  
- **Reset Voltage:** 0.7V (max)  
- **Power Consumption:** Low (3mA typical at 5V)  

### **Description:**  
The KA555 is a highly stable timer IC capable of generating accurate time delays or oscillations. It operates in three modes: **monostable, astable, and bistable**. It is a direct replacement for the NE555 and SE555 with improved performance characteristics.  

### **Features:**  
- **Low Turn-Off Time**  
- **High Current Drive Capability**  
- **Adjustable Duty Cycle**  
- **TTL-Compatible Output**  
- **Can Operate in Both Astable and Monostable Modes**  
- **Temperature Stability**  

The KA555 is widely used in applications such as pulse generation, timers, oscillators, and industrial control systems.  

(Note: This information is based on Fairchild Semiconductor's datasheet for the KA555.)

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