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SN74AHC138PW from TI,Texas Instruments

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SN74AHC138PW

Manufacturer: TI

3-Line To 8-Line Decoder / Demultiplexer

Partnumber Manufacturer Quantity Availability
SN74AHC138PW TI 565 In Stock

Description and Introduction

3-Line To 8-Line Decoder / Demultiplexer The SN74AHC138PW is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Number of Input Lines:** 3  
- **Number of Output Lines:** 8 (active-low)  
- **Supply Voltage Range:** 2 V to 5.5 V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Propagation Delay (Max):** 8.5 ns at 5 V  
- **Input Capacitance:** 3 pF  
- **Output Current (High/Low):** ±8 mA  
- **Package Type:** TSSOP (PW)  
- **Pin Count:** 16  

### **Descriptions:**  
The SN74AHC138PW decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive outputs (Y0-Y7). It features three enable inputs (G1, G2A, G2B) for cascading and control.  

### **Features:**  
- **Low Power Consumption:** CMOS technology  
- **High Noise Immunity:** Standard AHC family characteristics  
- **Wide Operating Voltage:** 2 V to 5.5 V  
- **Balanced Propagation Delays**  
- **ESD Protection:** Exceeds 2000 V per JESD 22  

This device is commonly used in memory decoding and data routing applications.

Application Scenarios & Design Considerations

3-Line To 8-Line Decoder / Demultiplexer

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