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SN74ALS645A-1DW from TI,Texas Instruments

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SN74ALS645A-1DW

Manufacturer: TI

Octal Bus Transceivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ALS645A-1DW,SN74ALS645A1DW TI 80 In Stock

Description and Introduction

Octal Bus Transceivers With 3-State Outputs The SN74ALS645A-1DW is a part manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** SN74ALS645A-1DW
- **Package:** SOIC (DW) - 24-pin
- **Logic Family:** ALS (Advanced Low-Power Schottky)
- **Logic Type:** Octal Bus Transceiver with 3-State Outputs
- **Supply Voltage (VCC):** 4.5V to 5.5V
- **Operating Temperature Range:** 0°C to 70°C
- **Output Type:** 3-State
- **Number of Channels:** 8 (Octal)
- **Propagation Delay:** Typically 8ns (max 15ns)
- **Input/Output Compatibility:** TTL

### **Description:**
The SN74ALS645A-1DW is an octal bus transceiver designed for bidirectional asynchronous communication between data buses. It features 3-state outputs, allowing multiple devices to share a common bus without interference. The direction of data flow is controlled by the DIR (Direction Control) input, while the OE (Output Enable) input enables or disables the outputs.

### **Features:**
- **Bidirectional Data Flow:** Controlled by DIR input.
- **3-State Outputs:** Allows bus sharing in multi-device systems.
- **High-Speed Operation:** Low propagation delay for efficient data transfer.
- **Wide Operating Voltage:** Supports 4.5V to 5.5V.
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with TTL logic levels.
- **ESD Protection:** Provides protection against electrostatic discharge.
- **Industrial Standard Package:** 24-pin SOIC (DW) for surface-mount applications.

This information is strictly factual and sourced from the manufacturer's documentation.

Application Scenarios & Design Considerations

Octal Bus Transceivers With 3-State Outputs

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