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Introduction to 74HC595 SHIFT REGISTER [Video]

Author: Mia
Date: 1 Dec 2020
 6647
74HC595 Pinout

Description

The 74HC595 is an high speed CMOS 8-BIT SHIFT REGISTERS/OUTPUT LATCHES (3-STATE) fabricated with silicon gate C2MOS technology. This device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has 8 3-STATE outputs. Separate clocks are provided for both the shift register and the storage register. The shift register has a direct-overriding clear, serial input, and serial output (standard) pins for cascading. Both the shift register and storage register use positive-edge triggered clocks. If both clocks are connected together, the shift register state will always be one clock pulse ahead of the storage register. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

The Shift Register: Explained [74HC595]


Catalog

Description

Features

Application

Pinout

Logic Diagram

Parameters

Component Datasheet

Package

Product Manufacturer

FAQ

Ordering & Quantity


Features

  • Low quiescent current: 80μA maximum
  • Low input current: 1μA maximum
  • 8-bit serial-in, parallel-out shift register with storage
  • Wide operating voltage range: 2V~6V
  • Shift register has direct clear
  • Guaranteed shift frequency: DC to 30 MHz
  • Package: SOP16

Application

  • Serial-to-parallel data conversion
  • Remote control holding register

Pinout

Pin No.

Symbol

Name and Function

1,2,3,4,5,6,7,15

QA to QH

Data output

8

GND

Ground (0V)

9

QH

Serial data output

10

SCLR

Shift register clear input

11

SCK

Shift register clock input

12

RCK

Storage register clock input

13

G

Output enable input

14

SI

Serial data input

16

VCC

Positive supply voltage


Logic Diagram


Parameters

Brand Name

Diodes

Low-power consumption

When TA =25℃, Icc=4μA(MAX)

Low quiescent current

Maximum 80 μA

Low input current

Maximum 1 μA

Wide operating voltage range

2V-6V

Package

DIP16/SOP16


Component Datasheet

Datasheet

74HC595 Datasheet


Package

  


Product Manufacturer

Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas, and Milpitas, California. Diodes serve the consumer electronics, computing, communications, industrial, and automotive markets. Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.


FAQ

  • What is 74HC595?

74HC595 is a shift register which works on Serial IN Parallel OUT protocol. It receives data serially from the microcontroller and then sends out this data through parallel pins. We can increase our output pins by 8 using the single chip.

  • What is a 74hc595n?

8-bit Shift Register 74HC595N

A shift register is a chip you can use to control many outputs (8 here) at the same time while only using a few pins (3 here) of your Arduino.

  • How does a shift register work?

Shift registers hold the data in their memory which is moved or “shifted” to their required positions on each clock pulse. Each clock pulse shifts the contents of the register one bit position to either the left or the right.

  • How 74HC595 Shift Regiester works?

The 595 has two registers (which can be thought of as “memory containers”), each with just 8 bits of data. The first one is called the Shift Register. The Shift Register lies deep within the IC circuits, quietly accepting input.

  • How does an 8 bit shift register work?

The SN74HC595N is a simple 8-bit shift register IC. Simply put, this shift register is a device that allows additional inputs or outputs to be added to a microcontroller by converting data between parallel and serial formats. Your chosen microprocessor is able to communicate with the The SN74HC595N using serial information then gathers or outputs information in a parallel (multi-pin) format. Essentially it takes 8 bits from the serial input and then outputs them to 8 pins.

 

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
74HC595BQ-115 74HC595BQ-115 Company:Nexperia USA Inc. Remark:IC 8BIT SHIFT REGISTER 16-DHVQFN Package:16-VFQFN Exposed Pad
DataSheet
In Stock:87000
Inquiry
Price:
3000+: $0.10346
6000+: $0.09719
15000+: $0.09092
30000+: $0.08339
75000+: $0.08026
150000+: $0.07712
Inquiry
74HC595D-112 74HC595D-112 Company:Nexperia USA Inc. Remark:IC SHIFT REGISTER 8BIT 16SOIC Package:16-SOIC (0.154", 3.90mm Width)
DataSheet
In Stock:5102
Inquiry
Price:
1+: $0.38000
10+: $0.31100
25+: $0.28440
100+: $0.21150
250+: $0.19168
500+: $0.15864
1000+: $0.11898
2500+: $0.10906
5000+: $0.10246
Inquiry
74HC595D-118 74HC595D-118 Company:Nexperia USA Inc. Remark:IC SHIFT REGISTER 8BIT 16SOIC Package:16-SOIC (0.154", 3.90mm Width)
DataSheet
In Stock:82500
Inquiry
Price:
2500+: $0.08960
5000+: $0.08463
12500+: $0.07716
25000+: $0.07218
62500+: $0.06471
125000+: $0.06223
Inquiry
74HC595N-112 74HC595N-112 Company:Rochester Electronics, LLC Remark:SERIAL IN PARALLEL OUT Package:16-DIP (0.300", 7.62mm)
DataSheet
In Stock:On Order
Inquiry
Price:
658+: $0.38000
Inquiry
74HC595PW-112 74HC595PW-112 Company:Nexperia USA Inc. Remark:Shift Shift Register Element Bit 16-TSSOP Package:16-TSSOP (0.173", 4.40mm Width)
N/A
In Stock:On Order
Inquiry
Price:
1+: $0.34000
10+: $0.27600
25+: $0.25240
100+: $0.18790
250+: $0.17024
500+: $0.14090
1000+: $0.10568
2500+: $0.09687
5000+: $0.09100
Inquiry
74HC595PW-118 74HC595PW-118 Company:Nexperia USA Inc. Remark:IC SHIFT REGISTER 8BIT 16TSSOP Package:16-TSSOP (0.173", 4.40mm Width)
DataSheet
In Stock:217500
Inquiry
Price:
2500+: $0.09108
5000+: $0.08602
12500+: $0.07843
25000+: $0.07337
62500+: $0.06578
125000+: $0.06325
Inquiry
74HC595PW-AUJ 74HC595PW-AUJ Company:NXP USA Inc. Remark:IC COUNTER REGISTER 8BIT 16TSSOP Package:16-TSSOP (0.173", 4.40mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
Call
Inquiry
74HC595PW-C1118 74HC595PW-C1118 Company:NXP USA Inc. Remark:Shift Shift Register Element Bit 16-TSSOP Package:16-TSSOP (0.173", 4.40mm Width)
N/A
In Stock:On Order
Inquiry
Price:
3435+: $0.07000
Inquiry
74HC595PW-Q100-118 74HC595PW-Q100-118 Company:Nexperia USA Inc. Remark:Shift Shift Register Element Bit 16-TSSOP Package:16-TSSOP (0.173", 4.40mm Width)
N/A
In Stock:On Order
Inquiry
Price:
1+: $0.39000
10+: $0.33000
25+: $0.30800
100+: $0.24630
250+: $0.22872
500+: $0.19354
1000+: $0.14955
2500+: $0.13768
5000+: $0.12880
12500+: $0.11991
25000+: $0.11688
Inquiry
CD74HC595NS CD74HC595NS Company:Texas Instruments Remark:Shift Shift Register 1 Element 8 Bit 16-SO Package:16-SOIC (0.209"", 5.30mm Width)
DataSheet
In Stock:On Order
Inquiry
Price:
Call
Inquiry

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