Overview
The SN74ALS645ADWR is an octal bus transceiver designed by Texas Instruments for asynchronous two-way communication between data buses. This device enables the transmission of data from the A bus to the B bus or vice versa, making it a crucial component in various digital systems that require bidirectional data transfer.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC-20-300mil |
| Number of Bits | 8 bits per element |
| Output Type | 3-State Output |
| Supply Voltage | 4.5V to 5.5V |
| Current (Icc) | 24mA (max) |
| Operating Temperature | -40°C to 85°C |
| Compliance | ROHS Compliant |
Key Features
The SN74ALS645ADWR features non-inverting transceivers, allowing for direct data transfer without the need for additional logic. Key features include:
- Asynchronous two-way communication between data buses.
- 3-State outputs to reduce bus contention.
- High-speed operation with low power consumption.
- ROHS compliance for environmental sustainability.
Applications
The SN74ALS645ADWR is suitable for a variety of applications where bidirectional data transfer is necessary, including:
- Data communication systems.
- Computer peripherals and interfaces.
- Embedded systems requiring bus communication.
- Industrial control systems.
Q & A
- What is the primary function of the SN74ALS645ADWR?
The primary function is to enable asynchronous two-way communication between data buses. - What type of package does the SN74ALS645ADWR come in?
The device comes in a SOIC-20-300mil package. - What is the voltage range for the SN74ALS645ADWR?
The supply voltage range is 4.5V to 5.5V. - Is the SN74ALS645ADWR ROHS compliant?
Yes, it is ROHS compliant. - What is the maximum current consumption of the SN74ALS645ADWR?
The maximum current consumption is 24mA. - What are the typical applications of the SN74ALS645ADWR?
Typical applications include data communication systems, computer peripherals, embedded systems, and industrial control systems. - Does the SN74ALS645ADWR support 3-State outputs?
Yes, it supports 3-State outputs to reduce bus contention. - What is the operating temperature range of the SN74ALS645ADWR?
The operating temperature range is -40°C to 85°C. - How many bits per element does the SN74ALS645ADWR handle?
The device handles 8 bits per element. - Is the SN74ALS645ADWR suitable for high-speed operations?
Yes, it is designed for high-speed operation with low power consumption.
