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74AC646 from HAR

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74AC646

Manufacturer: HAR

Octal Transceiver/Register with 3-STATE Outputs

Partnumber Manufacturer Quantity Availability
74AC646 HAR 253 In Stock

Description and Introduction

Octal Transceiver/Register with 3-STATE Outputs The 74AC646 is a high-speed CMOS octal bus transceiver and register manufactured by various companies, including Harris Semiconductor (HAR). Here are the key specifications for the 74AC646:

- **Logic Family**: 74AC (Advanced CMOS)
- **Function**: Octal Bus Transceiver and Register
- **Number of Bits**: 8 (Octal)
- **Supply Voltage (VCC)**: 2.0V to 6.0V
- **Operating Temperature Range**: -40°C to +85°C
- **Input/Output Compatibility**: TTL, CMOS
- **Propagation Delay**: Typically 5.5 ns at 5V
- **Output Drive Capability**: 24 mA at 5V
- **Package Types**: Available in various packages such as DIP, SOIC, and TSSOP
- **Features**: 
  - Non-inverting 3-state outputs
  - Bidirectional bus interface
  - Separate control pins for data flow direction
  - Latch-up performance exceeds 500 mA per JESD 78

These specifications are based on the standard 74AC646 datasheet and may vary slightly depending on the specific manufacturer.

Partnumber Manufacturer Quantity Availability
74AC646 HARR 1000 In Stock

Description and Introduction

Octal Transceiver/Register with 3-STATE Outputs The 74AC646 is a part of the 74AC series of integrated circuits manufactured by HARR. It is a bidirectional octal transceiver with 3-state outputs. The device is designed for asynchronous communication between data buses and features both inverting and non-inverting outputs. Key specifications include:

- **Logic Family:** 74AC
- **Type:** Octal Bus Transceiver
- **Direction:** Bidirectional
- **Output Type:** 3-State
- **Voltage Supply Range:** 2.0V to 6.0V
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** Typically available in DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit)
- **Pin Count:** 24 pins
- **Data Rate:** High-speed operation suitable for AC series standards
- **Input/Output Compatibility:** TTL-compatible inputs, CMOS-compatible outputs

These specifications are based on the general characteristics of the 74AC646 series and may vary slightly depending on the specific datasheet provided by HARR.

Partnumber Manufacturer Quantity Availability
74AC646 FAI 6665 In Stock

Description and Introduction

Octal Transceiver/Register with 3-STATE Outputs The 74AC646 is a high-speed CMOS octal bus transceiver and register manufactured by Fairchild Semiconductor (FAI). It features 3-state outputs and is designed for bidirectional data flow between buses. The device operates with a supply voltage range of 2.0V to 6.0V, making it compatible with TTL levels. It has a typical propagation delay of 5.5 ns and a maximum power dissipation of 500 mW. The 74AC646 is available in various package types, including SOIC, TSSOP, and PDIP. It is characterized for operation from -40°C to +85°C. The device is commonly used in applications requiring high-speed data transfer and bus interfacing.

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