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SN74HC595N

8-bit shift register with output latch, DIP-16

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制造商零件：

SN74HC595N

包装：

DIP-16 (19.30 x 6.35 mm, through-hole)

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说明

SN74HC595N Overview

The SN74HC595N is an 8-bit shift register with output latches and 3-state outputs from Texas Instruments, supply voltage 2V-6V, maximum clock frequency 52MHz at 5V, in a DIP-16 through-hole package, widely used for LED matrix driving and I/O expansion.

主要功能

  • 8-bit shift register + output latch
  • Supply voltage: 2V-6V
  • Maximum clock frequency: 52MHz at 5V
  • Output current: +/-6mA
  • 3-state outputs
  • Serial cascade output (QH prime)

The SN74HC595N is an 8-bit serial-in, parallel-out shift register with 3-state output registers from Texas Instruments, packaged in a 16-pin PDIP through-hole format. It features a wide 2 V to 6 V operating voltage range, 13 ns typical propagation delay, and plus or minus 6 mA output drive at 5 V. The device contains an 8-bit shift register that feeds an 8-bit D-type storage register with parallel 3-state outputs, allowing the shift register and output register to operate independently. With separate clocks, direct clear, serial output for cascading, and output enable control, it is a versatile logic building block for I/O expansion and LED driving.

The SN74HC595N consists of two independently clocked 8-bit registers. Data is shifted into the 8-bit shift register on the rising edge of the shift register clock (SRCLK). Each rising edge moves the existing data one position and loads the SER input into the first stage. The shift register output (QH prime) provides the cascaded serial output for daisy-chaining multiple devices. On the rising edge of the register clock (RCLK), the contents of the shift register are transferred to the 8-bit storage register. The storage register outputs (QA through QH) are enabled when the output enable (OE) input is low; when OE is high, the outputs are in a high-impedance state. The shift register clear (SRCLR) input, when low, resets all shift register stages to low independently of the clocks. This dual-register architecture allows new data to be shifted in while the current output pattern remains stable, eliminating output flicker during updates. Multiple devices can be cascaded by connecting QH prime of one device to SER of the next, sharing SRCLK and RCLK across all devices.

针脚 名称 说明
1 Q1 Storage register output bit 1
2 Q2 Storage register output bit 2
3 Q3 Storage register output bit 3
4 Q4 Storage register output bit 4
5 Q5 Storage register output bit 5
6 Q6 Storage register output bit 6
7 Q7 Storage register output bit 7
8 接地 地面
9 Q7′ Serial output from shift register; cascade to next device SER input
10 SRCLR Shift register clear; active low, resets all shift register bits
11 SRCLK Shift register clock; rising edge shifts data one position
12 RCLK Register clock; rising edge transfers shift register to storage register
13 OE Output enable; active low, high forces outputs to high-impedance
14 SER Serial data input; loaded into first shift register stage on SRCLK rising edge
15 Q0 Storage register output bit 0
16 VCC Power supply (2 V to 6 V)
  • LED 矩阵驱动: Cascaded shift registers for multiplexed LED displays and 7-segment indicators
  • GPIO 扩展: Adding 8 or more digital outputs to a microcontroller using only 3 SPI pins
  • Relay Control: Driving multiple relay coils through shift register outputs with latch capability
  • 工业控制面板: Indicator lamp and switch status display in factory equipment
  • Hobbyist Projects: Arduino/Raspberry Pi I/O expansion for robotics and automation
模型 制造商 Bits 包装 Mount 说明
SN74HC595DR 德州仪器 8 SOIC-16 SMD Surface-mount variant
74HC595D Nexperia 8 SOIC-16 SMD Pin-compatible alternative
MC74HC595ADG onsemi 8 SOIC-16 SMD onsemi equivalent
SN74HC595DBR 德州仪器 8 SSOP-16 SMD Smaller footprint package
TPIC6B595N 德州仪器 8 DIP-20 TH Power shift register, 500 mA outputs

SN74HC595N is an 8-bit shift register with 3-state output from TI in PDIP-16. The SN74HC595DR is the SOIC-16 surface-mount version with identical functionality. 74HC595D from Nexperia provides the same function in SOIC-16. For higher voltage, CD4094BE offers 3-18V CMOS operation in DIP-16. For cascaded designs, the QH prime output enables daisy-chaining. TLC6C598 is a constant-current LED driver version for display applications.

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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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联系我们

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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