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SN74ABT646NT from TI,Texas Instruments

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SN74ABT646NT

Manufacturer: TI

OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

Partnumber Manufacturer Quantity Availability
SN74ABT646NT TI 924 In Stock

Description and Introduction

OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS The SN74ABT646NT is a 3.3-V ABT 8-bit bus transceiver and register manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Technology Family:** ABT (Advanced BiCMOS Technology)
- **Supply Voltage Range:** 4.5 V to 5.5 V (operates at 5V)
- **Operating Temperature Range:** -40°C to 85°C
- **Number of Channels:** 8-bit
- **Logic Type:** Transceiver, Non-Inverting
- **Output Type:** 3-State
- **Package Type:** PDIP (Plastic Dual In-Line Package)
- **Package Size:** 24-pin
- **Mounting Type:** Through-Hole
- **Propagation Delay Time:** 4.5 ns (Max) at 5V
- **Input/Output Compatibility:** TTL-Level Inputs, 5V Tolerant

### **Descriptions:**
The SN74ABT646NT combines an 8-bit transceiver and D-type flip-flops, allowing bidirectional data flow between A and B buses. It features separate control inputs for data flow direction (DIR) and output enable (OE). When OE is high, the outputs are in a high-impedance state. The device is designed for high-speed, low-power operation in bus-oriented applications.

### **Features:**
- **Bidirectional Data Flow:** Controlled by DIR input.
- **3-State Outputs:** Allows bus isolation when OE is high.
- **Edge-Triggered D-Type Flip-Flops:** Latches data on the rising edge of the clock (CLK).
- **TTL-Compatible Inputs:** Works with TTL logic levels.
- **High Drive Outputs:** ±24 mA output drive at 5V.
- **ESD Protection:** Exceeds 2000 V per JESD 22-A114.
- **Wide Operating Temperature Range:** -40°C to 85°C.

This device is commonly used in data communication, bus interfacing, and buffering applications.

Application Scenarios & Design Considerations

OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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