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AT24C02D-SSHL-T

2Kb I2C EEPROM, 1MHz, 1.7-5.5V, 8-byte page, TSSOP-8

15000

有效库存
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制造商零件：

AT24C02D-SSHL-T

包装：

TSSOP-8 (4.4 x 3.0 x 1.0mm, 0.65mm pitch)

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产品类别：
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说明

产品概览

The AT24C02D-SSHL-T is a 2Kb I2C serial EEPROM from Microchip Technology with 1MHz clock, 8-byte page write, and 100-year data retention in a TSSOP-8 package.

主要规格

Memory Size 2 Kbit (256 x 8)
Interface I2C (2-wire serial)
Max Clock Frequency 1 MHz (High-Speed mode)
电源电压 1.7V to 5.5V
Page Write Size 8 bytes
Write Cycle Time 5ms typical
Write Endurance 1,000,000 cycles
Data Retention 100 years (D revision)
Address Pins A0, A1, A2 (up to 8 devices on bus)
Write Protect Hardware WP pin
工作温度 -40°C to +85°C
包装 TSSOP-8 (4.4 x 3.0mm)

特点

  • 2Kbit (256 x 8) organization with 8-byte page write
  • I2C: Standard (100kHz), Fast (400kHz), High-Speed (1MHz)
  • 1.7V to 5.5V operating voltage range
  • 100-year data retention (D revision improvement)
  • 1 million write cycle endurance
  • Schmitt-trigger inputs for noise suppression
  • Hardware write protect pin
  • 3 address pins for up to 8 devices on bus

应用

  • Small configuration and calibration storage
  • Device identification and serial number storage
  • Consumer electronics user preference storage
  • Embedded system parameter retention
  • IoT device state preservation

The AT24C02D-SSHL-T from Microchip Technology is a 2Kbit (256 x 8) I2C-compatible serial EEPROM optimized for small data storage requirements. The D revision offers improved 100-year data retention over previous versions. The device supports Standard (100kHz), Fast (400kHz), and High-Speed (1MHz) I2C modes. The 8-byte page write buffer allows writing up to 8 bytes in a single write cycle with 5ms self-timed completion. Schmitt-trigger inputs provide noise suppression for reliable communication. Three address pins (A0, A1, A2) enable up to eight devices on the same I2C bus. The hardware WP pin protects the entire array from accidental writes. The SSHL-T suffix denotes the TSSOP-8 package with tape-and-reel packaging.

The AT24C02D-SSHL-T communicates via I2C using SCL and SDA lines. The master sends a START condition, the device address byte (1010 + A2A1A0 + R/W), then the 8-bit memory address for the target byte. For writes, up to 8 data bytes follow (within the same page), and the internal address counter wraps within the 8-byte page boundary. The STOP condition initiates the 5ms internal write cycle. For reads, the master performs a dummy write to set the address, then sends a repeated START with R/W=1 to read data sequentially. The WP pin, when tied to VCC, disables all write operations. The D revision improves data retention to 100 years through process improvements in the floating-gate EEPROM cell.

针脚 名称 类型 说明
1 A0 输入 Address pin 0
2 A1 输入 Address pin 1
3 A2 输入 Address pin 2
4 VSS 电源 地面
5 SDA 输入/输出 Serial data (open-drain, pull-up required)
6 SCL 输入 Serial clock (Schmitt-trigger)
7 WP 输入 Write Protect (VCC=protect, VSS=normal)
8 VCC 电源 Supply (1.7V to 5.5V)

AT24C02D-SSHL-T uses the 8-TSSOP surface-mount package from Microchip: Pin 1 = A0 (address), Pin 2 = A1 (address), Pin 3 = A2 (address), Pin 4 = VSS (GND), Pin 5 = SDA (I2C data), Pin 6 = SCL (I2C clock), Pin 7 = WP (Write Protect, active-HIGH), Pin 8 = VCC (1.7-5.5V). The three address pins (A0, A1, A2) set the I2C slave address, allowing up to 8 AT24C02D devices on one bus. When WP (Pin 7) is tied HIGH, the entire memory array is write-protected; tie LOW for normal read/write. The SSHL-T suffix denotes TSSOP-8 tape-and-reel. For through-hole, AT24C02D-SSHM-T provides the same in SOIC-8. The AT24C02D is an upgraded version of AT24C02B with enhanced ESD protection and lower standby current.

  • Config Storage: 256 bytes stores device settings, calibration, and serial numbers with 100-year retention
  • User Preferences: I2C interface simplifies connection to any MCU; 1MHz mode for quick read at power-up
  • Multi-Device: 8 devices on one bus provide 16Kbit distributed storage across a PCB without chip selects
  • Low Power: 1.7V min operation suits battery-powered IoT endpoints with deep-sleep wake-and-write
  • Cost-Sensitive: Small 2Kbit size is the lowest-cost I2C EEPROM for applications needing just a few bytes of NVM
模型 制造商 主要区别 包装 Specs
AT24C04D-SSHL-T 微型芯片 4Kbit, same pinout, 16-byte page - -
AT24C02C-SSHL-T 微型芯片 C revision, 40yr retention, 400kHz max - -
24LC02B-I/SN 微型芯片 2Kb, 400kHz, SOIC-8 - -
M24C02-FMN6TP ST 2Kbit, TSSOP-8, equivalent - -
BR24G02FVT-WE2 罗姆 2Kbit I2C, TSSOP-8 - -

AT24C02D-SSHL-T is a 2Kbit (256×8) I2C EEPROM from Microchip in TSSOP-8. The AT24C04D doubles density to 4Kbit in the same package. The AT24C08D and AT24C16D provide 8Kbit and 16Kbit respectively. The AT24C32D offers 32Kbit with 32-byte page write. The 24LC02B-I/SN from Microchip is the legacy equivalent. The M24C02 from ST provides similar 2Kbit with WC pin. The CAT24C02WI from onsemi offers 2Kbit with 1.7V minimum supply. For higher density, AT24C256D provides 256Kbit.

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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.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • 汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • 医疗设备: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

联系我们

If you have inquiries about our quality standards, inspection procedures or product certification documents, 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

 

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

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

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

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

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
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

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

1. One-stop Sourcing & BOM Support

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

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

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

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • 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
 

Online Inquiry Form

Support Excel, PDF, CSV format files for full BOM list quotation

Submit your component procurement and custom packaging needs via the form below. We will provide a detailed quotation and professional solution within 1–8 working hours.

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