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CD54HC646F3A

High Speed CMOS Logic Octal Inverting Bus Transceiver with 3-State Outputs

Partnumber Manufacturer Quantity Availability
CD54HC646F3A 184 In Stock

Description and Introduction

High Speed CMOS Logic Octal Inverting Bus Transceiver with 3-State Outputs The CD54HC646F3A is a high-speed CMOS logic octal bus transceiver and register manufactured by Texas Instruments. It features non-inverting 3-state bus compatible outputs and is designed for asynchronous communication between data buses.  

### Key Specifications:  
- **Logic Family:** HC (High-Speed CMOS)  
- **Number of Bits:** 8 (Octal)  
- **Function:** Bus Transceiver/Register  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Output Type:** 3-State  
- **Package Type:** 24-Pin Ceramic Flatpack (CFP)  
- **Propagation Delay:** Typically 13 ns at 5V  
- **Input Capacitance:** 3.5 pF (typical)  
- **Output Drive Capability:** 10 LSTTL Loads  

### Features:  
- Combines D-type latches and D-type flip-flops for data storage  
- Independent registers for A and B buses  
- Control pins for direction and output enable  
- Low power consumption (HC technology)  
- Balanced propagation delays  

This device is commonly used in bus-oriented systems requiring bidirectional data flow and temporary data storage.

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