Hello readers welcome to the new post. We will give details about Introduction to 74LS138. It is complicated TTL configured module used in applications where three-bit binary data to eight-bit data is needed. Its basic configuration is to create for decoding purposes like demultiplexing techniques.
Its input data is three bits and its output is eight bits of data. It is used for second to reduce the decoding effect. On this board there are eight output pinout 3 input and 3 enable pins configured. In this post we will discuss its working pinout applications and some other features. So let get started.
Introduction to 74LS138
- 74LS138 is belongs to the TTL logic gates family that 74XX. It has three inputs and eight outputs and created for decoding and demultiplexing applications.
- Its structure is commonly used in high level memory units also employed to reduce the effect of decoding system.
- Its 3 pins of enable decreases the requirements for exterior gates. Twenty-four line decoder can be used having no outer inverter and thirty two decoder uses single inverter
74LS138 Features
- Basics features of this IC are explained here
- It give the propagation delay about twenty one nanoseconds
- Power uses is about thirty-two milliwatts
- The operating temperature is minus forty to one twenty C
- Input volts range is one to 5.5 volts
- Used for ESD protection
- Mostly used for high-speed operation
- It has de multiplexing technique
- Consists of Schottky diode for high performance
74LS138 Pinout
- Main pinout of this IC are explained here
- Pin 1: Aoit is data input pin
- A1: is data input pin
- A2 data input pin
- E1 is enable pinout
- E2 is enable input
- E3 enable pinout
- O7 is output pinout no 7
- O6 is output pinout no 6
- O5 is output pinout no 5
- O4 is the output pinout
- O3 is output pinout
- O2 is output pinout
- O1 is output pinout 1
- O0 its output pin
- VCC is the supply pin
74LS138 Applications
- Main applications are discussed here
- Used in memory units
- Used in a telecommunication system
- Used in De multiplexing techniques
- used for digital system
- Used in servers
That is all about the 74LS138 all details has explained if you have any further query ask in comments. Thanks for reading have a nice day.
