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SN74LVC138ADR
+NomenclatureIC DECODER/DEMUX 1X3:8 16SOIC
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FabricantTexas Instruments
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Pièce fabricant #SN74LVC138ADR
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Package SOIC (D)-16
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En stock5307
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74LVC |
| ProductStatus | Active |
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 |
| IndependentCircuits | 1 |
| Current-OutputHighLow | 24mA, 24mA |
| VoltageSupplySource | Single Supply |
| Voltage-Supply | 1.65V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features of the SN74LVC138ADR include:
- 3-to-8 Line Decoding: It takes three binary inputs and decodes them into eight unique outputs, enabling the selection of one out of eight lines.
- Low Power Consumption: The device features low power dissipation, making it ideal for battery-operated devices.
- High-Speed Operation: It supports high-speed operation with a maximum propagation delay of approximately 5.5 ns at 3.3 V.
- Enable Inputs: Three enable inputs (G1, G2A, G2B) provide flexibility in expanding the device's functionality.
- Package and Temperature Range: Available in a small-outline package (SOIC) and operates over a temperature range of -40°C to 85°C.
This decoder is commonly used in applications requiring data routing, memory addressing, or logic decoding.
Equivalent
1. NXP 74LVC138 – Similar functionality with LVC logic family.
2. ON Semiconductor MC74VHC138 – Offers high-speed CMOS logic.
3. Fairchild Semiconductor 74VHC138 – VHC logic variant.
4. Microchip Technology 74HC138 – HC logic family.
5. Diodes Incorporated 74AHC138 – AHC logic family version.
Ensure pin compatibility and electrical characteristics match your application requirements when selecting an equivalent.
Features
1. Voltage Range: Operates over a wide voltage range from 1.65 V to 3.6 V.
2. High-Speed Operation: Provides fast signal processing and low propagation delay.
3. Low Power Consumption: Designed for low power operation with a maximum input leakage current of 1 µA.
4. High Drive Capability: Outputs can drive up to 24 mA at 3.3 V, making it suitable for driving multiple loads.
5. Inputs: Features three address inputs and three enable inputs, facilitating flexibility in logic and system design.
6. TTL-Compatible Inputs: Ensures compatibility with standard TTL logic levels.
7. ESD Protection: Enhanced protection mechanisms for reliability.
8. Industry-Standard Package: Available in a 16-pin SOIC package, making it easy to integrate into various designs.
These features make the SN74LVC138ADR suitable for applications requiring efficient signal routing, such as memory decoding, data demultiplexing, and address decoding.
Pinout
Manufacturer
Application
1. Memory Address Decoding: Facilitates selecting specific memory locations in microcontrollers and processors.
2. Data Demultiplexing: Distributes data from a single input line to multiple output lines.
3. Instruction Decoding: Helps in decoding instructions in CPUs and other processing units.
4. Peripheral Device Selection: Selects among multiple peripheral devices in embedded systems.
5. Signal Routing: Directs signals to different parts of a circuit for complex operations.
6. Communication Systems: Used in multiplexing and demultiplexing data streams.
These applications make it essential in computing, communication, and control systems.