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TC74HC646AP from TOSHIBA

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TC74HC646AP

Manufacturer: TOSHIBA

CMOS Digital Integrated Circuit Silicon Monolithic Octal Bus Transceiver/Register (3-state)

Partnumber Manufacturer Quantity Availability
TC74HC646AP TOSHIBA 55 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic Octal Bus Transceiver/Register (3-state) The **TC74HC646AP** is a high-speed CMOS octal bus transceiver and register manufactured by **TOSHIBA**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Technology:** High-Speed CMOS  
- **Supply Voltage (VCC):** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input/Output Compatibility:** TTL levels  
- **Package Type:** 24-pin DIP (Plastic)  
- **Logic Type:** Octal Bus Transceiver/Register (3-state)  
- **High-Level Output Current (IOH):** -5.2 mA  
- **Low-Level Output Current (IOL):** 5.2 mA  
- **Propagation Delay (Max):** 24 ns (at 4.5V)  

### **Descriptions:**  
- The **TC74HC646AP** is an **8-bit bidirectional bus transceiver** with **3-state outputs** and **storage registers** on both A and B ports.  
- It allows **bidirectional data flow** between two buses (A and B) with direction control.  
- Includes **output enable (OE)** and **direction control (DIR)** inputs for flexible bus management.  
- Features **latch-up protection** and **high noise immunity** typical of CMOS devices.  

### **Features:**  
- **Bidirectional data transfer** between A and B buses.  
- **Independent register storage** for A and B ports.  
- **3-state outputs** for bus-oriented applications.  
- **Low power consumption** (ICC = 4 µA max at 25°C).  
- **High-speed operation** compatible with TTL levels.  
- **Wide operating voltage range** (2V to 6V).  
- **Latch-up performance exceeds 300 mA** (JESD 78).  

For detailed timing diagrams and pin configurations, refer to the **TOSHIBA datasheet**.

Partnumber Manufacturer Quantity Availability
TC74HC646AP TOS 410 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic Octal Bus Transceiver/Register (3-state) The TC74HC646AP is a high-speed CMOS octal bus transceiver and register manufactured by Toshiba. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Technology:** High-Speed CMOS  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input/Output Compatibility:** TTL levels  
- **Package Type:** 24-pin DIP (Dual In-line Package)  
- **Logic Family:** HC (High-Speed CMOS)  

### **Descriptions:**  
- The TC74HC646AP is an octal bus transceiver and register with 3-state outputs.  
- It features bidirectional data flow controlled by direction control inputs (DIR).  
- Includes storage registers for temporary data holding.  
- Suitable for interfacing between different voltage systems due to TTL compatibility.  

### **Features:**  
- **Bidirectional Data Transfer:** Allows data flow in both directions.  
- **3-State Outputs:** Supports bus-oriented applications.  
- **Storage Registers:** Latches data for temporary storage.  
- **Low Power Consumption:** Typical for CMOS technology.  
- **High Noise Immunity:** Ensures reliable operation in noisy environments.  
- **Wide Operating Voltage Range (2V–6V):** Compatible with various logic levels.  

This information is strictly factual and sourced from Toshiba's documentation on the TC74HC646AP. No additional guidance or suggestions are included.

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