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M74HC245M1R from ST,ST Microelectronics

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M74HC245M1R

Manufacturer: ST

OCTAL BUS TRANSCEIVER (3-STATE NON INVERTING)

Partnumber Manufacturer Quantity Availability
M74HC245M1R ST 14244 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVER (3-STATE NON INVERTING) The M74HC245M1R is a high-speed CMOS octal bus transceiver manufactured by STMicroelectronics. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Number of Bits:** 8 (Octal)  
- **Supply Voltage Range:** 2V to 6V  
- **High-Level Input Voltage (VIH):** 3.15V (min) at 4.5V supply  
- **Low-Level Input Voltage (VIL):** 1.35V (max) at 4.5V supply  
- **High-Level Output Current (IOH):** -5.2mA at 4.5V supply  
- **Low-Level Output Current (IOL):** 5.2mA at 4.5V supply  
- **Propagation Delay:** 14ns (typical) at 4.5V supply  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOIC-20  

### **Descriptions:**  
- The M74HC245M1R is a bidirectional octal transceiver designed for asynchronous communication between data buses.  
- It features non-inverting 3-state outputs and is compatible with TTL levels.  
- The direction of data flow is controlled by the DIR (Direction) input, while the OE (Output Enable) pin enables/disables the outputs.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by the DIR pin.  
- **3-State Outputs:** Allows bus isolation when disabled.  
- **Wide Operating Voltage:** 2V to 6V.  
- **High Noise Immunity:** CMOS technology ensures robustness.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **TTL-Compatible Inputs:** Works with TTL logic levels.  
- **ESD Protection:** HBM: 2000V, MM: 200V.  

This information is sourced from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVER (3-STATE NON INVERTING)

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