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CD74HCT138E from HAR/RCA

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CD74HCT138E

Manufacturer: HAR/RCA

High Speed CMOS Logic 3-to-8 Line Decoder/Demultiplexer Inverting and Non-Inverting

Partnumber Manufacturer Quantity Availability
CD74HCT138E HAR/RCA 12 In Stock

Description and Introduction

High Speed CMOS Logic 3-to-8 Line Decoder/Demultiplexer Inverting and Non-Inverting The CD74HCT138E is a high-speed CMOS logic 3-to-8 line decoder/demultiplexer manufactured by Texas Instruments (formerly Harris/RCA).  

**Key Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Number of Input Lines:** 3 (A0, A1, A2)  
- **Number of Output Lines:** 8 (active-low outputs Y0-Y7)  
- **Supply Voltage Range:** 4.5V to 5.5V (HCT compatible with TTL levels)  
- **Operating Temperature Range:** -55°C to +125°C  
- **Propagation Delay:** Typically 18 ns at 5V  
- **Input Current (Max):** ±1 µA  
- **Output Current (Max):** ±4 mA (sink/source)  
- **Package Type:** PDIP-16, SOIC-16  

**Features:**  
- Three enable inputs (two active-low, one active-high) for flexible control  
- Low power consumption (CMOS technology)  
- TTL-compatible inputs  

**Applications:**  
- Memory address decoding  
- Data routing in digital systems  
- Demultiplexing applications  

This information is based on the original HAR/RCA datasheet and Texas Instruments' documentation.

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