Usage Tips:Features: brand new and high quality Package includes: 74HC00x 2pcs, 74HC02x 2pcs, 74HC04 x 2pcs, 74HC08 x 2pcs, 74HC14 x 2pcs, 74HC32x 2pcs, 74HC138x2pcs, 74HC164x2pcs, 74HC165x2pcs, 74HC595x2pcs, 74LS00x2pcs, 74LS02x2pcs , 74LS04x2pcs, 74LS08x2pcs, 74LS32x2pcs, 74LS47x 2pcs, 74LS86x2pcs, 74LS90x2pcs, 74LS138x2pcs, 74LS245x2pcs 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. Green and environmental for protection, suitable for most terminal industries, Specifications: Name:Logic Chips Type: 20 Types Quamtity: 40pcs ( 74HC00x 2pcs, 74HC02x 2pcs, 74HC04 x 2pcs, 74HC08 x 2pcs, 74HC14 x 2pcs, 74HC32x 2pcs, 74HC138x2pcs, 74HC164x2pcs, 74HC165x2pcs, 74HC595x2pcs, 74LS00x2pcs, 74LS02x2pcs , 74LS04x2pcs, 74LS08x2pcs, 74LS32x2pcs, 74LS47x 2pcs, 74LS86x2pcs, 74LS90x2pcs, 74LS138x2pcs, 74LS245x2pcs) Material: Metal Package Box Size:approx 15x10x3cm/5.91x3.94x1.18in Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 74HC00x 2pcs, 74HC02x 2pcs, 74HC04 x 2pcs, 74HC08 x 2pcs, 74HC14 x 2pcs, 74HC32x 2pcs, 74HC138x2pcs, 74HC164x2pcs, 74HC165x2pcs, 74HC595x2pcs, 74LS00x2pcs, 74LS02x2pcs , 74LS04x2pcs, 74LS08x2pcs, 74LS32x2pcs, 74LS47x 2pcs, 74LS86x2pcs, 74LS90x2pcs, 74LS138x2pcs, 74LS245x2pcs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.