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SN54HCT245J from TI,Texas Instruments

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SN54HCT245J

Manufacturer: TI, HARRIS

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN54HCT245J TI, HARRIS 144 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN54HCT245J is a high-speed CMOS logic octal bus transceiver manufactured by Harris Semiconductor. Here are the specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Logic Family:** HCT (High-Speed CMOS, TTL compatible)  
- **Number of Channels:** 8 (Octal)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C (Military grade)  
- **Input Logic Level:** TTL-compatible  
- **Output Drive Capability:** 15 LSTTL loads  
- **Propagation Delay:** Typically 13 ns at 5V  
- **Package Type:** Ceramic DIP (Dual In-line Package)  

### **Descriptions:**  
- The SN54HCT245J is a bidirectional octal bus transceiver designed for asynchronous communication between data buses.  
- It features non-inverting 3-state outputs and is compatible with TTL logic levels.  
- The direction of data flow is controlled by the DIR (Direction Control) input, while the OE (Output Enable) pin enables/disables the outputs.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR pin.  
- **3-State Outputs:** Allows bus-oriented applications.  
- **TTL-Compatible Inputs:** Works with TTL logic levels.  
- **High Noise Immunity:** CMOS technology ensures low power consumption and noise resistance.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **Military Temperature Range:** Suitable for harsh environments.  

This information is strictly based on the manufacturer's datasheet for the SN54HCT245J by Harris.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

Alternative Part Number

  • CD74HCT245E --: Same HCT octal bus transceiver function in a PDIP package, widely available and pin-compatible for most through-hole designs.
  • MC74HCT245AN --: HCT octal bus transceiver from a different series/prefix, functionally equivalent with similar drive and speed characteristics.
  • 74HCT245N --: Standard 74HCT245 octal bus transceiver in DIP, a generic cross-manufacturer equivalent suitable for non-military temperature ranges.

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