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UM3561A from UMC

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15.137ms

UM3561A

Manufacturer: UMC

CARACTERISTICAS

Partnumber Manufacturer Quantity Availability
UM3561A UMC 8050 In Stock

Description and Introduction

CARACTERISTICAS The UM3561A is a ROM IC designed for generating siren and alarm sounds, manufactured by UMC (United Microelectronics Corporation).  

### **Specifications:**  
- **Function:** Generates four different siren/alarm sounds.  
- **Sound Types:**  
  - Police siren  
  - Ambulance siren  
  - Fire engine siren  
  - Machine gun sound  
- **Operating Voltage:** 1.5V to 4.5V (typically 3V).  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Package Type:** 8-pin DIP (Dual In-line Package).  
- **Oscillation Frequency:** Determined by an external resistor.  

### **Descriptions and Features:**  
- The UM3561A is commonly used in toy sirens, alarms, and novelty sound effects.  
- It requires minimal external components (resistor, speaker, and transistor for amplification).  
- The sound selection is controlled by two select pins (SEL1 and SEL2).  
- Output is a square wave signal that can drive a small speaker via a transistor.  
- Simple and cost-effective solution for sound generation in electronic projects.  

For exact technical details, refer to the official datasheet from UMC.

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