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AT45DB641E-SHN-T

64Mbit SPI DataFlash, 85MHz, dual SRAM buffers, 1.7-3.6V, configurable page, SOIC-8

2515

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Pieza del fabricante：

AT45DB641E-SHN-T

Paquete：

SOIC-8 (5.28 x 5.23 x 1.5 mm)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The AT45DB641E-SHN-T from Renesas is a 64Mbit serial DataFlash with SPI interface operating at up to 85MHz. It features dual SRAM buffers, flexible page architecture (256/264 bytes), and operates from 1.7V to 3.6V in an 8-pin SOIC package.

Especificaciones

Densidad 64Mbit (8MB)
Interface SPI (Mode 0 and 3)
Max Clock Frequency 85MHz
Tensión de alimentación 1.7V to 3.6V
Page Size 256 or 264 bytes (configurable)
SRAM Buffers 2 x 256/264 bytes
Endurance 100,000 program/erase cycles
Temperatura de funcionamiento -40 to 85 C

Características

  • Dual SRAM data buffers for continuous write operations
  • Configurable page size: 256 or 264 bytes
  • SPI Mode 0 and Mode 3 compatible
  • 85MHz maximum clock frequency
  • Flexible erase options: page, block, sector, chip
  • Hardware and software data protection
  • Deep power-down mode: 5uA
  • 20-year data retention

Aplicaciones

  • Digital voice and image storage
  • Embedded system program storage
  • Data logging applications
  • Industrial firmware updates
  • IoT device configuration storage

The AT45DB641E-SHN-T from Renesas (formerly Adesto Technologies) is a 64Mbit serial DataFlash memory designed for digital voice, image, program code, and data storage applications. It features a serial peripheral interface (SPI) compatible with Mode 0 and Mode 3, supporting clock frequencies up to 85MHz for fast data throughput. A unique feature is the dual 256/264-byte SRAM data buffers that enable continuous data writing while the main memory is being programmed. The page size is user-configurable between 256 and 264 bytes. Flexible erase options include page (256B), block (2KB), sector (256KB), and chip erase. Advanced hardware and software data protection includes individual sector protection and permanent read-only locking. Operating from 1.7V to 3.6V with deep power-down current of 5uA, it is ideal for battery-powered applications.

The AT45DB641E-SHN-T operates as a serial DataFlash with dual-buffer architecture. Key subsystems include: (1) SPI Command Interface – 8-bit opcodes control read, program, erase, and buffer operations; (2) Main Memory Array – 64Mbit of Flash organized in 32,768 pages of 256/264 bytes; (3) Dual SRAM Buffers – two independent 256/264-byte buffers allow simultaneous read and write operations; data can be written to a buffer while the other buffer is being transferred to main memory; (4) Page Programming Engine – internal state machine handles page programming with auto-erase; (5) Protection Logic – sector lock-down and software protection prevent accidental data modification; (6) Power Management – active, standby (25uA), and deep power-down (5uA) modes.

Pin Nombre Tipo Función
1 CS# Entrada Chip select (active low)
2 SO Salida Serial data output
3 WP# Entrada Hardware write protect (active low)
4 VSS Potencia Suelo
5 SI Entrada Entrada de datos serie
6 SCK Entrada Serial clock
7 HOLD# Entrada Suspend serial communication (active low)
8 VDD Potencia Power supply (1.7V to 3.6V)
  • Digital voice and image storage with continuous data streaming
  • Embedded system program code and firmware storage
  • Data logging applications requiring dual-buffer write capability
  • Industrial firmware update and parameter storage
  • IoT device configuration and calibration data storage
Fabricante Número de pieza Paquete Notas
Macronix MX25L6433FMI-08G SOIC-8 64Mbit, 80MHz, standard SPI
Winbond W25Q64JVSSIM SOIC-8 64Mbit, 133MHz, Quad SPI
GigaDevice GD25Q64CSIG SOIC-8 64Mbit, 120MHz, Quad SPI
Infineon S25FL064LABMFI010 SOIC-8 64Mbit, 108MHz, Quad SPI
Microchip SST26VF064B-104I/SM SOIC-8 64Mbit, 104MHz, SQI
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

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

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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.
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

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.

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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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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.

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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.

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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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