SN74LVC138ADR

The SN74LVC138ADR is a high-speed, low-power 3-to-8 line decoder/demultiplexer designed by Texas Instruments. It converts a 3-bit binary input into one of eight active low outputs. Operating with a supply voltage range of 1.65V to 5.5V, it is ideal for use in low-voltage digital circuits and can interface with both TTL and CMOS logic levels.
Key features include fast propagation delays of typically 3.5 ns at 5V, low power consumption, and a wide operating temperature range from -40°C to 125°C. The device also includes enable inputs to facilitate cascading multiple decoders and offers built-in glitch protection.
The SN74LVC138ADR is commonly used in applications such as memory address decoding, data routing, and signal multiplexing. Its compact 20-pin TSSOP package makes it suitable for space-constrained designs. Overall, it is a versatile and efficient component for digital logic applications.

The SN74LVC138ADR is a low-voltage CMOS 3-to-8 line decoder/demultiplexer. Key features include:
1. 3-to-8 Line Decoding: It takes three binary inputs and activates one of eight outputs, enabling efficient address decoding in digital circuits.

2. Active Low Outputs: Only one of the outputs goes low (active) for any given input combination, while others remain high.
3. Wide Supply Voltage Range: Operates with a supply voltage from 1.65V to 5.5V, making it suitable for various low-voltage applications.
4. High Noise Immunity: Features a high noise margin for reliable operation in noisy environments.
5. Low Power Consumption: Consumes minimal static power, enhancing energy efficiency.
6. Fast Switching Speed: Capable of fast switching times, making it suitable for high-speed applications.
7. Temperature Range: Operates across a wide temperature range (-40°C to +125°C).
8. Pin and Function Compatible: Compatible with other 74 series devices, facilitating easy integration into existing designs.
These features make the SN74LVC138ADR ideal for use in communication systems, data processing, and memory decoding applications.

The SN74LVC138ADR is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package type.

The SN74LVC138ADR is a 3-to-8 line decoder/demultiplexer with a pin count of 16. It features three input lines (A0, A1, A2), which determine the selection of one of the eight output lines (Y0 to Y7). The device also includes three enable inputs (G1, G2A, G2B) that control the operation of the decoder; when enabled, one of the eight outputs goes low based on the binary value of the inputs, while all other outputs remain high.
The pin configuration is as follows:
1. G1 (Input Enable)
2. A0 (Input)
3. A1 (Input)
4. A2 (Input)
5. G2A (Input Enable)
6. G2B (Input Enable)
7. Y0 (Output)
8. Y1 (Output)
9. Y2 (Output)
10. Y3 (Output)
11. Y4 (Output)
12. Y5 (Output)
13. Y6 (Output)
14. Y7 (Output)
15. VCC (Power Supply)
16. GND (Ground)
This device is widely used in digital circuits for signal routing and data demultiplexing applications.

The SN74LVC138ADR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog, digital signal processing, and embedded processing devices. Established in 1930, TI is known for its innovation in electronic components used in a wide range of applications, including consumer electronics, automotive, industrial, and telecommunications. The SN74LVC138ADR is a 3-to-8 line decoder/demultiplexer that operates at low voltage levels and is part of TI's logic device portfolio, catering to the needs of modern digital systems.

The SN74LVC138ADR is a 3-to-8 line decoder/demultiplexer used in various applications such as memory address decoding, data routing, and signal demultiplexing. It is commonly utilized in digital circuits for enabling specific devices in microcontroller systems, implementing state machines, and addressing memory chips. Its low power consumption and high-speed performance make it suitable for portable and battery-operated devices.

Equivalent products to the SN74LVC138ADR include the 74HC138, 74HCT138, and 74LV138. These chips are 3-to-8 line decoders/demultiplexers, though they may differ in voltage levels and speed. Always verify compatibility based on specific application requirements such as supply voltage, logic levels, and package types.