Logic Chip Set (40 Pieces) Brand New and High Quality Package Includes: 74HC00 x 2, 74HC02 x 2, 74HC04 x 2, 74HC08 x 2, 74HC14 x 2, 74HC32 x 2, 74HC138 x 2, 74HC164 x 2, 74HC165 x 2, 74HC595 x 2, 74LS00 x 2, 74LS02 x 2, 74LS04 x 2, 74LS08 x 2, 74LS32 x 2, 74LS47 x 2, 74LS86 x 2, 74LS90 x 2, 74LS138 x 2, 74LS245 x 2 Widely used in industrial control products, automotive electronics, medical equipment, security monitoring, household appliances, student experiments, and communication equipment. Low power consumption, strong anti-interference ability. Compact and flexible, strong processing capacity. Environmentally friendly, suitable for most terminal industries. Specifications: Name: Logic Circuits Type: 20 Types Quantity: 40 pieces Material: Metal Package box size: approx. 15 x 10 x 3 cm Note: Due to lighting effects and shooting angles, there may be some tolerances in the product. Please understand. Please allow 0-1cm error due to manual measurement. Package Includes: (Same as package contents above)