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74F640

Octal bus transceiver, inverting (3-State)

Partnumber Manufacturer Quantity Availability
74F640 26 In Stock

Description and Introduction

Octal bus transceiver, inverting (3-State) The 74F640 is a bus transceiver integrated circuit manufactured by various companies, including Texas Instruments and Fairchild Semiconductor. It is part of the 74F series of logic devices. Key specifications include:

- **Logic Family**: 74F (Fast TTL)
- **Function**: Octal Bus Transceiver with 3-State Outputs
- **Number of Channels**: 8 (Octal)
- **Input/Output Compatibility**: TTL
- **Operating Voltage**: 5V
- **Output Type**: 3-State
- **Propagation Delay**: Typically around 5.5 ns
- **Operating Temperature Range**: 0°C to 70°C (commercial grade) or -40°C to 85°C (industrial grade)
- **Package Types**: Available in various packages, such as DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit)
- **Direction Control**: Features separate control pins for direction (A to B or B to A)
- **Output Current**: Typically ±24 mA
- **Power Dissipation**: Typically around 500 mW

These specifications are based on standard datasheets and may vary slightly depending on the manufacturer.

Partnumber Manufacturer Quantity Availability
74F640 NS 113 In Stock

Description and Introduction

Octal bus transceiver, inverting (3-State) The 74F640 is a bus transceiver manufactured by National Semiconductor (NS). It is part of the 74F series of logic devices. The 74F640 features bidirectional data flow and is designed for asynchronous communication between data buses. It has 8-bit wide data paths and operates with 3-state outputs. The device is compatible with TTL levels and is typically used in applications requiring high-speed data transfer. Key specifications include a propagation delay of around 5.5 ns and a power supply voltage range of 4.5V to 5.5V. It is available in various package types, such as DIP and SOIC.

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