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CD74HCT243E from HARRIS,Intersil

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CD74HCT243E

Manufacturer: HARRIS

High Speed CMOS Logic Quad-Bus Transceiver with 3-State Outputs

Partnumber Manufacturer Quantity Availability
CD74HCT243E HARRIS 500 In Stock

Description and Introduction

High Speed CMOS Logic Quad-Bus Transceiver with 3-State Outputs The **CD74HCT243E** from **Intersil** is a high-speed CMOS **quad bus transceiver** designed for bidirectional data communication between buses operating at different voltage levels. This integrated circuit (IC) is part of the **HCT** (High-Speed CMOS with TTL Compatibility) family, ensuring seamless interfacing with **TTL** logic levels while maintaining the low power consumption benefits of CMOS technology.  

Featuring **four independent bidirectional channels**, the CD74HCT243E enables efficient data transfer in applications such as **microprocessor systems, data routing, and bus isolation**. Each channel is controlled by a direction pin, allowing flexible data flow management. With a **wide operating voltage range (4.5V to 5.5V)** and robust output drive capability, this component ensures reliable performance in mixed-voltage environments.  

Key characteristics include **high noise immunity, balanced propagation delays, and low power dissipation**, making it suitable for industrial, automotive, and computing applications. The device is available in a **16-pin DIP or SOIC package**, offering compatibility with standard PCB designs.  

Engineers favor the CD74HCT243E for its **efficiency, reliability, and ease of integration** in systems requiring bidirectional level shifting or bus buffering. Its adherence to industry standards ensures long-term availability and consistent performance across diverse applications.

Partnumber Manufacturer Quantity Availability
CD74HCT243E 48 In Stock

Description and Introduction

High Speed CMOS Logic Quad-Bus Transceiver with 3-State Outputs The CD74HCT243E is a high-speed CMOS logic quad bus transceiver manufactured by Texas Instruments. Here are its key specifications:

- **Logic Family**: HCT (High-Speed CMOS with TTL compatibility)
- **Number of Channels**: 4 (Quad)
- **Supply Voltage Range**: 4.5V to 5.5V
- **Input Voltage (High Level)**: 2V min (VCC = 4.5V)
- **Input Voltage (Low Level)**: 0.8V max (VCC = 4.5V)
- **Output Current**: ±6mA (at VCC = 4.5V)
- **Propagation Delay**: 14ns typical (at VCC = 5V, CL = 15pF)
- **Operating Temperature Range**: -55°C to +125°C
- **Package Type**: PDIP-20 (Plastic Dual In-Line Package)
- **Pin Count**: 20
- **Logic Type**: Non-Inverting
- **Direction Control**: Separate control pins for each pair of channels
- **Features**: 3-state outputs, TTL-compatible inputs

This information is sourced from Texas Instruments' official datasheet for the CD74HCT243E.

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