{"product_id":"74hc595-8-bit-serial-in-parallel-out-shift-register-16-pin-dip-package","title":"74HC595 (8-Bit Serial-In \/ Parallel-Out Shift Register - 16-Pin DIP Package)","description":"\u003cp data-path-to-node=\"5\"\u003eEvery electronics maker eventually hits a frustrating wall: running out of GPIO pins on their microcontroller. When you want to build a massive LED cube, drive multiple 7-segment displays, or control a massive bank of relays, the Arduino Uno’s limited pin count simply isn't enough. The \u003cb data-path-to-node=\"5\" data-index-in-node=\"287\"\u003e74HC595\u003c\/b\u003e is the legendary integrated circuit that solves this problem instantly. It is an 8-bit shift register that takes sequential, serial data from just three pins on your microcontroller (Data, Clock, and Latch) and expands it out into eight separate, parallel output pins.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eWhat makes the 74HC595 exceptionally powerful is its built-in \u003cb data-path-to-node=\"6\" data-index-in-node=\"62\"\u003estorage register (latch)\u003c\/b\u003e. Older shift registers would cause LEDs to flicker wildly as new data was being pushed through the chip. The 74HC595 completely hides this process. It shifts all the new data into a hidden memory buffer in the background, and only updates the physical output pins the exact moment you trigger the \"Latch\" pin. Furthermore, these chips are infinitely \"cascadable.\" By connecting the serial output of one chip to the serial input of a second chip, you can control 16, 24, or even 100 parallel outputs while still only tying up three precious pins on your Arduino.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eMassive I\/O Expansion:\u003c\/b\u003e Converts 3 serial input lines into 8 parallel output lines, instantly expanding the capabilities of pin-constrained chips like the ATtiny85 or ESP8266.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eInfinite Daisy-Chaining:\u003c\/b\u003e Features a dedicated serial output pin (Q7'), allowing you to string dozens of 74HC595s together in a row. You just shift out a longer string of 1s and 0s from your microcontroller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eBuffered Output Latch:\u003c\/b\u003e The internal storage register ensures that your outputs update simultaneously and instantly, eliminating annoying flicker during data transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eHigh-Speed CMOS Architecture:\u003c\/b\u003e Operates across a wide 2.0V to 6.0V range, meaning it is perfectly compatible with both standard 5V logic and modern 3.3V logic without requiring level shifters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eBreadboard Native (16-DIP):\u003c\/b\u003e The standard 0.1-inch (2.54mm) pin pitch allows for rapid, hassle-free prototyping alongside your microcontroller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eMultiplexed LED Arrays:\u003c\/b\u003e The absolute standard silicon for driving complex 8x8 LED dot-matrix displays, LED cubes, and sequential \"Knight Rider\" style LED chasers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003e7-Segment Display Drivers:\u003c\/b\u003e Perfectly maps to the 8 segments (7 bars + 1 decimal point) of a standard numeric display, allowing you to build multi-digit clocks and counters easily.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eRelay Expansion Boards:\u003c\/b\u003e Pairs flawlessly with a ULN2803 Darlington array (since the 595 cannot drive high-current relays directly) to build massive, digitally controlled power switching stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eShiftOut() Programming:\u003c\/b\u003e The classic hardware used to teach students how the \u003ccode data-path-to-node=\"10,3,0\" data-index-in-node=\"76\"\u003eshiftOut()\u003c\/code\u003e function in C\/C++ works, bridging the gap between serial communication and parallel hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eLogic Family:\u003c\/b\u003e 74HC (High-Speed CMOS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eLogic Function:\u003c\/b\u003e 8-Bit Shift Register with Output Latches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eOperating Supply Voltage (Vcc):\u003c\/b\u003e 2.0V to 6.0V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eMaximum Output Current:\u003c\/b\u003e ~35 mA per pin (Note: The absolute maximum total current for the \u003ci data-path-to-node=\"12,3,0\" data-index-in-node=\"89\"\u003eentire\u003c\/i\u003e chip should not exceed ~70mA. Always use current-limiting resistors when driving LEDs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-path-to-node=\"12,4,0\" data-index-in-node=\"0\"\u003eMaximum Clock Frequency:\u003c\/b\u003e \u0026gt; 25 MHz (Extremely fast data transfer)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,5,0\"\u003e\u003cb data-path-to-node=\"12,5,0\" data-index-in-node=\"0\"\u003eCommunication Interface:\u003c\/b\u003e 3-Wire Serial (Data, Clock, Latch)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,6,0\"\u003e\u003cb data-path-to-node=\"12,6,0\" data-index-in-node=\"0\"\u003ePackage \/ Case:\u003c\/b\u003e 16-DIP (0.300\", 7.62mm width)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,7,0\"\u003e\u003cb data-path-to-node=\"12,7,0\" data-index-in-node=\"0\"\u003eMounting Type:\u003c\/b\u003e Through-Hole (PTH)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42865583390791,"sku":null,"price":50.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/Untitled-design-17.webp?v=1781081344","url":"https:\/\/www.ktechnics.com\/products\/74hc595-8-bit-serial-in-parallel-out-shift-register-16-pin-dip-package","provider":"K-TECHNICS","version":"1.0","type":"link"}