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SN74HCT245DBR from TEXAS

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SN74HCT245DBR

Manufacturer: TEXAS, TI, PHI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HCT245DBR TEXAS, TI, PHI 4030 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74HCT245DBR is a high-speed CMOS logic octal bus transceiver from Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Category:** Logic - Buffers, Drivers, Receivers, Transceivers  
- **Series:** 74HCT  
- **Package:** SSOP-20  
- **Operating Temperature:** -40°C to +85°C  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **Logic Type:** Octal Bus Transceiver  
- **Number of Bits:** 8  
- **Output Type:** 3-State  
- **Propagation Delay:** 14 ns (typical)  
- **High-Level Input Voltage (Min):** 2V  
- **Low-Level Input Voltage (Max):** 0.8V  
- **Current - Output High, Low:** 6mA, 6mA  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74HCT245DBR is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features 3-state outputs for bus-oriented applications and is compatible with TTL levels.  

### **Features:**  
- **Wide Operating Voltage Range:** 4.5V to 5.5V  
- **High-Current 3-State Outputs:** Drive up to 15 LSTTL Loads  
- **Low Power Consumption:** 80µA (Max) ICC  
- **Balanced Propagation Delays**  
- **TTL-Compatible Input Levels**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Bidirectional Data Flow Controlled by DIR Input**  
- **Output Enable (OE) for Multiplexing**  

This device is commonly used in data communication, signal buffering, and bus interfacing applications.  

(Data sourced from Texas Instruments' official documentation.)

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

Alternative Part Number

  • MC74HCT245ADWR2G --: Octal bus transceiver with 3-state outputs, HCT logic family, SOIC-20 wide body package, direct functional and pin-compatible replacement.
  • 74HCT245D --: Octal bus transceiver, 3-state, HCT family, SOIC-20 package, widely available and electrically equivalent to the original.
  • CD74HCT245M --: Same HCT octal bus transceiver function in SOIC-20, from the same manufacturer, suitable when a different package variant is acceptable.
  • 74HCT245D,653 --: Same HCT-family octal bus transceiver function in SO-20 package, drop-in compatible with similar drive and speed characteristics.
  • CD74HCT245M96 --: Alternate TI HCT-family octal bus transceiver in SOIC-20, same function and pinout but a different series naming for easy distinction.

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