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SN74LS669D from TEXAS

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SN74LS669D

Manufacturer: TEXAS

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

Partnumber Manufacturer Quantity Availability
SN74LS669D TEXAS 20 In Stock

Description and Introduction

SYNCHRONOUS 4-BIT UP/DOWN COUNTER The SN74LS669D is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments.  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 4  
- **Counting Sequence:** Up/Down (selectable)  
- **Clock Frequency:** Typically 35 MHz  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC (Small Outline Integrated Circuit)  
- **Mounting Type:** Surface Mount  
- **Propagation Delay:** Typically 15 ns  
- **Output Type:** Standard  

### **Descriptions:**  
The SN74LS669D is a synchronous 4-bit counter with parallel load capability. It features internal carry look-ahead for cascading in high-speed counting applications. The direction of counting (up or down) is controlled by an external input.  

### **Features:**  
- Synchronous counting and loading  
- Internal carry look-ahead for cascading  
- Asynchronous master reset  
- Parallel load capability  
- Up/Down counting mode select  
- TTL-compatible inputs and outputs  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

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