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SNJ54LS390J from TI,Texas Instruments

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SNJ54LS390J

Manufacturer: TI

Dual 4-Bit Decade And Binary Counters

Partnumber Manufacturer Quantity Availability
SNJ54LS390J TI 100 In Stock

Description and Introduction

Dual 4-Bit Decade And Binary Counters The SNJ54LS390J is a dual 4-bit decade counter manufactured by Texas Instruments (TI).  

**Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** Dual 4-bit  
- **Counting Sequence:** Decade (BCD)  
- **Supply Voltage Range:** 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  

**Descriptions and Features:**  
- Contains two independent 4-bit decade counters.  
- Each counter can be used as a divide-by-2 and divide-by-5 counter.  
- Features master reset functionality for synchronous clearing.  
- Designed for high-speed operation with low power consumption.  
- Suitable for military and aerospace applications due to its rugged construction.  
- Compatible with TTL (Transistor-Transistor Logic) inputs and outputs.  

This information is based on TI's official documentation for the SNJ54LS390J.

Partnumber Manufacturer Quantity Availability
SNJ54LS390J TI 20 In Stock

Description and Introduction

Dual 4-Bit Decade And Binary Counters The **SNJ54LS390J** is a dual 4-bit decade ripple counter manufactured by **Texas Instruments (TI)**.  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** Dual 4-bit decade ripple counter  
- **Operating Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Number of Pins:** 16  
- **Counting Sequence:** Decade (0-9)  
- **Clock Input:** Negative-edge triggered  
- **Output Type:** Standard (TTL-compatible)  
- **Propagation Delay:** Typically 30ns  

### **Descriptions:**  
- Contains two independent 4-bit decade counters.  
- Each counter can be used as a divide-by-2 and divide-by-5 counter.  
- Features separate clock inputs for each counter.  
- Designed for high-speed operation with low power consumption.  

### **Features:**  
- **Dual Counter Design:** Two independent counters in a single package.  
- **Wide Operating Voltage:** Supports standard TTL levels.  
- **High-Speed Operation:** Suitable for timing and frequency division applications.  
- **Military-Grade Reliability:** Designed for harsh environments.  
- **Schottky-Clamped:** Ensures fast switching and noise immunity.  

This part is typically used in military and aerospace applications due to its ruggedized ceramic package and extended temperature range.

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