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SN54LS668J from TI,Texas Instruments

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SN54LS668J

Manufacturer: TI

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

Partnumber Manufacturer Quantity Availability
SN54LS668J TI 100 In Stock

Description and Introduction

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS The SN54LS668J is a 4-bit synchronous up/down decade counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 4-bit  
- **Counting Sequence:** Synchronous up/down  
- **Supply Voltage Range (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Output Type:** Standard  
- **Propagation Delay:** Typically 30ns  
- **Power Dissipation:** Low power consumption  

### **Descriptions:**  
- The SN54LS668J is a synchronous 4-bit up/down counter with parallel load capability.  
- It operates in either decade (BCD) counting mode.  
- Features synchronous counting for reduced output ripple.  
- Includes carry and borrow outputs for cascading multiple counters.  

### **Features:**  
- **Synchronous Operation:** Clocked counting for precise timing.  
- **Parallel Load:** Allows presetting the counter value.  
- **Up/Down Control:** Selectable counting direction.  
- **Carry/Borrow Outputs:** Facilitates cascading of multiple counters.  
- **Wide Operating Temperature Range:** Suitable for military applications.  
- **Schottky-clamped:** Ensures high-speed performance.  

This information is based solely on the technical specifications provided by Texas Instruments for the SN54LS668J.

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