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74HC595D,118

8-bit shift register with latch, 3-state out, 100MHz, cascade, SOIC-16

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制造商零件：

74HC595D,118

包装：

SOIC-16 (10 x 3.9 x 1.58 mm, SOT109-1)

品牌：
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说明

产品概览

The 74HC595D,118 from Nexperia is an 8-bit serial-in/serial-or-parallel-out shift register with output latches and 3-state outputs, supporting 100MHz shift frequency in a 16-pin SOIC package.

主要规格

功能 8-Bit Shift Register with Output Latches
Bits 8
电源电压 2V to 6V
Shift Frequency 100 MHz (typ, VCC=5V)
输出类型 3 州
Output Drive +/-7.8 mA @ 5V
传播延迟 14-35 ns (typ, VCC=4.5V)
Clock Inputs SHCP (shift), STCP (storage)
Serial Output Q7S (for cascading)
Master Reset MR (active LOW, asynchronous)
Output Enable OE (active LOW)
包装 SOIC-16 (3.9mm width)
工作温度 -40 to +125 C

特点

  • 8-bit serial input, 8-bit parallel output with latch
  • Separate shift and storage register clocks
  • Serial output Q7S for daisy-chaining
  • 3-state outputs for bus sharing
  • Asynchronous master reset (MR)
  • 100MHz typical shift frequency
  • Input clamp diodes for voltage translation

应用

  • LED matrix and display driving (multiplexing)
  • Expanding MCU GPIO pins via SPI
  • Serial-to-parallel data conversion
  • Cascaded display register chains

The 74HC595D,118 from Nexperia is an 8-bit serial-in/serial-or-parallel-out shift register with separate shift and storage registers, 3-state outputs, and daisy-chain capability. The device accepts serial data on the DS (data serial) input, clocked in on the rising edge of the SHCP (shift clock) input. After 8 bits have been shifted in, the STCP (storage clock) rising edge transfers the shift register contents to the storage register, which drives the 8 parallel outputs (Q0-Q7). The 3-state output enable (OE, active LOW) allows multiple 74HC595 devices to share the same output bus or to disable outputs during system initialization. A serial output (Q7S) provides the data shifted out of the 8th stage, enabling daisy-chaining of multiple devices for 16-bit, 24-bit, or wider output registers using only 3 MCU pins (DS, SHCP, STCP). The asynchronous master reset (MR, active LOW) clears the shift register independently of the clocks. The 74HC595 is one of the most popular logic ICs for expanding GPIO pins on microcontrollers, driving LED matrices, 7-segment displays, and relay boards. The ,118 suffix indicates Nexperia’s tape-and-reel packaging. The device operates from 2V to 6V supply with typical shift frequencies of 100MHz at 5V, far exceeding the requirements of typical SPI interfaces.

The 74HC595D,118 operates as a serial-to-parallel converter with separate shift and storage registers. Key subsystems include: (1) Shift Register – 8 flip-flops connected in series; data on the DS input is captured on the rising edge of SHCP and shifted through each stage; after 8 SHCP pulses, all 8 bits of serial data occupy the shift register; the Q7S output reflects the data shifted out of stage 8, enabling cascading to the next device; (2) Storage Register – 8 D-type latches in parallel; on the rising edge of STCP, the current contents of the shift register are transferred to the storage register; this dual-register architecture allows new data to be shifted in while the previous data remains displayed on the outputs; (3) 3-State Outputs – the storage register outputs are buffered through 3-state output drivers controlled by the OE pin; when OE is LOW, the outputs reflect the storage register data; when OE is HIGH, the outputs are high-impedance; this allows bus sharing and controlled output activation; (4) Master Reset – the MR input asynchronously clears the shift register (all stages to LOW) when driven LOW; the storage register is not affected by MR; to clear both registers, assert MR then pulse STCP; (5) Cascading – the Q7S output connects to the DS input of the next 74HC595 in the chain; all devices share the same SHCP and STCP lines; after shifting 16 bits (for 2 devices), 24 bits (for 3), etc., a single STCP pulse updates all outputs simultaneously.

针脚 名称 功能
1 Q1 Parallel output bit 1
2 Q2 Parallel output bit 2
3 Q3 Parallel output bit 3
4 Q4 Parallel output bit 4
5 Q5 Parallel output bit 5
6 Q6 Parallel output bit 6
7 Q7 Parallel output bit 7
8 接地 地面
9 Q7S Serial output (for cascading to next DS)
10 MR Master reset (active LOW, clears shift register)
11 SHCP Shift register clock (rising edge shifts data)
12 STCP Storage register clock (rising edge latches data)
13 OE Output enable (active LOW; HIGH = high-Z outputs)
14 DS 串行数据输入
15 Q0 Parallel output bit 0
16 VCC Supply voltage (2V to 6V)
  • LED matrix driver: 2x 74HC595 cascade drives 8×8 LED matrix (8 anodes + 8 cathodes) from 3 MCU pins
  • 7-segment multiplex: 4-digit display with 2 cascaded 74HC595 (digit select + segment data)
  • Relay board: 8-channel relay module controlled via SPI from single GPIO
  • GPIO expansion: add 8+ digital outputs to Arduino/RPi with 3-wire SPI interface
制造商 部件编号 包装 说明
TI SN74HC595DWR SOIC-16 TI version, wide SOIC
Nexperia 74HC595PW,118 TSSOP-16 Smaller TSSOP package
微型芯片 74HC595D SOIC-16 Microchip version
Nexperia 74HCT595D,118 SOIC-16 TTL-compatible input thresholds
TI TPIC6B595DWR SOIC-20 Power shift register, 50mA/50V open-drain
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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.

1. Authorized & Genuine Sourcing Promise

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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Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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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.

1. Payment Terms

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  1. Accepted Payment Methods
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  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
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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.

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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.

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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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