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SN74LV138A from TI,Texas Instruments

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SN74LV138A

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74LV138A TI 1461 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers The SN74LV138A is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 2 V to 5.5 V  
- **Low Power Consumption:** 4 μA (typical) at 3.3 V  
- **High Noise Immunity:** CMOS technology  
- **Operating Temperature Range:** -40°C to 85°C  
- **Input Voltage Levels:**  
  - **VIH (High-Level Input Voltage):** 2 V (min) at VCC = 2 V  
  - **VIL (Low-Level Input Voltage):** 0.8 V (max) at VCC = 2 V  
- **Output Drive Capability:** ±12 mA at 3.3 V  
- **Propagation Delay:** 9.5 ns (max) at 3.3 V  

### **Descriptions:**  
The SN74LV138A 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 or controlling operation.  

### **Features:**  
- **3-to-8 Line Decoding/Demultiplexing**  
- **Multiple Enable Inputs for Easy Expansion**  
- **Compatible with TTL Inputs**  
- **Latch-Up Performance Exceeds 250 mA per JESD 17**  
- **ESD Protection Exceeds JESD 22** (2000-V Human-Body Model)  

The device is available in multiple package options, including SOIC, TSSOP, and PDIP.  

(Source: Texas Instruments SN74LV138A Datasheet)

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers

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