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SNJ54191J from TI,Texas Instruments

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SNJ54191J

Manufacturer: TI

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

Partnumber Manufacturer Quantity Availability
SNJ54191J TI 20 In Stock

Description and Introduction

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL The **SNJ54191J** is a synchronous, reversible up/down counter manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Logic Type:** Synchronous 4-Bit Up/Down Binary Counter  
- **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)  
- **Number of Pins:** 16  
- **Counting Modes:** Up, Down, and Hold  
- **Clock Input:** Positive Edge-Triggered  
- **Output Type:** Standard (TTL-Compatible)  

### **Features:**  
- **Synchronous Operation:** All flip-flops change state simultaneously.  
- **Parallel Load Capability:** Allows presetting the counter.  
- **Carry and Borrow Outputs:** Facilitates cascading multiple counters.  
- **Asynchronous Master Reset:** Clears all flip-flops independently of the clock.  
- **High Noise Immunity:** Designed for reliable operation in harsh environments.  

### **Applications:**  
- Military and aerospace systems  
- Industrial control systems  
- Digital counting and timing circuits  

This part is part of TI’s **54-series**, which is designed for **military-grade** applications with extended temperature and reliability requirements.  

Would you like additional details on pin configuration or timing characteristics?

Application Scenarios & Design Considerations

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
Partnumber Manufacturer Quantity Availability
SNJ54191J TM 20 In Stock

Description and Introduction

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL The SNJ54191J is a synchronous 4-bit up/down binary counter manufactured by Texas Instruments (TM).  

**Specifications:**  
- **Logic Type:** Synchronous 4-Bit Up/Down Counter  
- **Number of Bits:** 4  
- **Counting Sequence:** Up or Down (selectable)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** Ceramic DIP (Dual In-line Package)  
- **Propagation Delay:** Typically 25ns  
- **Output Type:** Standard  

**Descriptions and Features:**  
- **Synchronous Operation:** All flip-flops are clocked simultaneously.  
- **Parallel Load Capability:** Allows presetting the counter to any value.  
- **Up/Down Control:** Selects counting direction (up or down).  
- **Carry and Borrow Outputs:** Facilitates cascading multiple counters.  
- **High Noise Immunity:** Designed for reliable operation in industrial environments.  
- **Military-Grade (J-Suffix):** Meets MIL-STD-883 standards for high-reliability applications.  

This counter is commonly used in digital systems requiring precise counting operations, such as in industrial controls, instrumentation, and military applications.

Application Scenarios & Design Considerations

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

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