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SN74LS245J from TI,Texas Instruments

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SN74LS245J

Manufacturer: TI, MOTOROLA, TIX

Octal bus transceivers

Partnumber Manufacturer Quantity Availability
SN74LS245J TI, MOTOROLA, TIX 660 In Stock

Description and Introduction

Octal bus transceivers The SN74LS245J is a part manufactured by Texas Instruments (TIX). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TIX)  
- **Part Number:** SN74LS245J  
- **Type:** Octal Bus Transceiver  
- **Logic Family:** LS (Low-Power Schottky)  
- **Technology:** TTL (Transistor-Transistor Logic)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 20  
- **Data Rate:** Up to 30 MHz (typical)  
- **Output Type:** 3-State  
- **Direction Control:** Bidirectional with Direction Pin (DIR)  
- **Output Current (High/Low):** ±15 mA (max)  

### **Descriptions:**
The SN74LS245J is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features 3-state outputs and direction control, allowing data to flow in either direction based on the DIR (Direction) pin. It is commonly used in digital systems for buffering and signal isolation.

### **Features:**
- **Bidirectional Data Flow:** Controlled by a single direction pin (DIR).  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **High-Speed Operation:** Suitable for fast digital systems.  
- **Low Power Consumption:** Typical of the LS (Low-Power Schottky) family.  
- **Wide Operating Voltage:** Compatible with standard 5V TTL logic levels.  
- **ESD Protection:** Provides some protection against electrostatic discharge.  
- **Industrial Standard Pinout:** Easy to integrate into existing designs.  

This information is strictly based on the manufacturer's datasheet and technical specifications.

Application Scenarios & Design Considerations

Octal bus transceivers

Alternative Part Number

  • DM74LS245N --: Same octal bus transceiver function with 3-state outputs, LS TTL compatible, widely available as a direct functional replacement.
  • MC74LS245N --: Pin-compatible octal bus transceiver in the 74LS family with equivalent drive and 3-state capability.
  • SN74LS645N --: Similar octal bus transceiver from the same logic family with comparable electrical characteristics, usable where minor pin/function differences are acceptable.
  • SN74LS245N --: Industry-standard 74LS245 octal bus transceiver from TI, same logic family and function, commonly used as a drop-in replacement.

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