Quick view:

Decade Counter – Counts 0-9 (BCD output) or acts as divide-by-10
Flexible Configuration – Can also function as divide-by-2 + divide-by-5
Asynchronous Operation – No clock sync required
14-Pin DIP – Breadboard & protoboard friendly
Wide Voltage Range – 4.75V to 5.25V (standard TTL)

Quick overview:

• Voltage supply: 4.75V-5.25V
• Typical voltage supply: 5V
• Low-level input voltage: 0.8V
• High-level input voltage: 2V

Quick Overview:

• Dual Input OR Gate – Quad Package
• Typical Operating Voltage: 5V
• Operating Voltage Range: -0.5V to +20V
• DC input current: ±10mA

Quick Overview

• Name: DIP IC Socket
• Pitch: 2.54mm/0.1”
• Pins: 28
• Resistant to vibration and heat.
• Endures repeated soldering and disassembly.
• Convenient and user-friendly.

Quick Overview:

• Low Power and High Noice Immunity CMOS Technology
• Capable of Decoding 12 bits of Information
• 8 ~ 12 Address Pins and 0 ~ 4 Data Pins

Quick view:

A TTL-compatible dual decoder/demultiplexer IC that converts two binary inputs into four mutually exclusive active-low outputs (per channel). Ideal for address decoding, memory selection, and digital signal routing in 5V systems.

Quick view:

The 74LS157 is a versatile quad 2-input multiplexer that selects 4 bits of data from two sources in digital systems. Perfect for data routing, signal gating, and bus switching applications.

Common Applications:
• Data routing/switching
• Memory address multiplexing
• Digital signal processing
• Computer peripheral interfaces

Quick Overview 

• High-Voltage Types (20V Rating)
•  3-Input OR Gate