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SN74LS669N from MOT,Motorola

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SN74LS669N

Manufacturer: MOT

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

Partnumber Manufacturer Quantity Availability
SN74LS669N MOT 200 In Stock

Description and Introduction

SYNCHRONOUS 4-BIT UP/DOWN COUNTER The SN74LS669N is a synchronous 4-bit up/down binary counter manufactured by **MOT (Motorola)**.  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 4  
- **Counting Sequence:** Synchronous Up/Down  
- **Clock Input:** Positive-edge triggered  
- **Operating Voltage:** 4.75V to 5.25V (TTL compatible)  
- **Maximum Clock Frequency:** 25 MHz (typical)  
- **Output Type:** Standard TTL  
- **Package Type:** PDIP-16 (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions and Features:**  
- Synchronous operation for high-speed counting.  
- **Up/Down Control Input:** Allows selection between count-up or count-down modes.  
- **Parallel Load Capability:** Enables presetting the counter via parallel inputs.  
- **Carry and Borrow Outputs:** Facilitates cascading multiple counters.  
- **Internal Look-Ahead Circuitry:** Ensures fast counting performance.  
- **Direct Clear Input:** Asynchronously resets the counter to zero.  
- **Wide Operating Voltage Range:** Ensures compatibility with standard TTL logic levels.  

This IC is commonly used in digital counting applications, frequency dividers, and sequential logic circuits.

Application Scenarios & Design Considerations

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

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