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CD54HCT257F3A from TI,TI,Texas Instruments

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CD54HCT257F3A

Manufacturer: TI,TI

High Speed CMOS Logic Non-Inverting Quad 2-Input Multiplexer with 3-State Outputs

Partnumber Manufacturer Quantity Availability
CD54HCT257F3A TI,TI 500 In Stock

Description and Introduction

High Speed CMOS Logic Non-Inverting Quad 2-Input Multiplexer with 3-State Outputs The CD54HCT257F3A is a high-speed CMOS logic quadruple 2-input multiplexer with 3-state outputs, manufactured by Texas Instruments (TI).  

### Key Specifications:  
- **Logic Type**: Multiplexer  
- **Number of Circuits**: 4  
- **Number of Inputs**: 2 per multiplexer  
- **Output Type**: 3-State  
- **Supply Voltage (VCC)**: 4.5V to 5.5V  
- **High-Level Input Voltage (VIH)**: 2V (min)  
- **Low-Level Input Voltage (VIL)**: 0.8V (max)  
- **High-Level Output Current (IOH)**: -4mA  
- **Low-Level Output Current (IOL)**: 4mA  
- **Propagation Delay (tpd)**: 25ns (typical at 5V)  
- **Operating Temperature Range**: -55°C to 125°C  
- **Package**: Ceramic Flatpack (CFP)  

### Features:  
- **Technology**: HCT (High-Speed CMOS, TTL-Compatible)  
- **Schmitt Trigger Inputs**: No  
- **Latch-Up Performance**: Exceeds 250mA per JESD 17  

This device is designed for bus-oriented applications where multiple data sources must share a common bus. The 3-state outputs allow for high-impedance isolation when not in use.  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Partnumber Manufacturer Quantity Availability
CD54HCT257F3A TI 500 In Stock

Description and Introduction

High Speed CMOS Logic Non-Inverting Quad 2-Input Multiplexer with 3-State Outputs The CD54HCT257F3A is a high-speed CMOS logic quad 2-input multiplexer with 3-state outputs, manufactured by Texas Instruments (TI). Here are its key specifications:

- **Technology**: High-Speed CMOS (HCT)
- **Supply Voltage Range**: 4.5V to 5.5V
- **Operating Temperature Range**: -55°C to 125°C
- **Logic Family**: HCT
- **Number of Channels**: 4
- **Output Type**: 3-State
- **Propagation Delay**: 13 ns (typical) at 5V
- **Input Current**: ±1 µA (max)
- **Output Current**: ±6 mA (max)
- **Package Type**: Ceramic Flatpack (CFP)
- **Mounting Type**: Through Hole
- **RoHS Compliance**: No (contains lead)
- **Features**: Non-inverting outputs, common select input, buffered inputs

This device is designed for bus-oriented applications and is part of TI's CD54 series, which is the military-grade version of the CD74 series.

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