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SN54LS145J from TI,Texas Instruments

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SN54LS145J

Manufacturer: TI, TM

1-OF-10 DECODER/DRIVER OPEN-COLLECTOR

Partnumber Manufacturer Quantity Availability
SN54LS145J TI, TM 120 In Stock

Description and Introduction

1-OF-10 DECODER/DRIVER OPEN-COLLECTOR The SN54LS145J is a BCD-to-decimal decoder/driver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** BCD-to-Decimal Decoder/Driver  
- **Package Type:** Ceramic DIP (Dual In-Line Package)  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Output Type:** Open-Collector  
- **Number of Inputs:** 4 (BCD inputs)  
- **Number of Outputs:** 10 (Decimal outputs, active-low)  
- **Propagation Delay:** Typically 23ns  
- **Power Dissipation:** Low power consumption  

### **Descriptions and Features:**  
- Decodes a 4-bit Binary-Coded Decimal (BCD) input to one of ten active-low decimal outputs.  
- Designed to drive high-voltage loads such as indicator tubes, relays, or lamps.  
- Open-collector outputs allow for flexible interfacing with different voltage levels.  
- Suitable for military and high-reliability applications due to its wide operating temperature range.  
- Part of the SN54 series, which is characterized for extended temperature and rugged conditions.  

This device is commonly used in digital systems requiring BCD-to-decimal conversion with high drive capability.

Application Scenarios & Design Considerations

1-OF-10 DECODER/DRIVER OPEN-COLLECTOR

Alternative Part Number

  • MC54LS145J --: Same 54LS145 BCD-to-decimal decoder/driver function in a ceramic DIP, direct pin-compatible second source.
  • DM54LS145J --: Equivalent 54LS145 decoder/driver in ceramic DIP package, historically a drop-in alternate for the TI part.
  • SN74LS145N --: Same LS145 decoder/driver die in a commercial 0-70C plastic DIP; usable when the military temperature range is not required.

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