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AT45DB081E-SHN-T

Name: AT45DB081E-SHN-T
Rating: 4.7 (12 reviews)

IC FLASH 8MBIT SPI 85MHZ 8SOIC

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包 SOIC-Wide-8
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	8Mb (264 Bytes x 4096 pages)
MemoryInterface	SPI
ClockFrequency	85 MHz
WriteCycleTime-WordPage	8µs, 4ms
Voltage-Supply	1.7V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TC)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概述

Description

The AT45DB081E-SHN-T is a serial NOR flash memory chip from Microchip Technology, featuring an 8-megabit (1 MB) storage capacity. It uses a dual SPI interface, allowing for high-speed data transfer, and is designed for embedded applications requiring non-volatile storage. The chip operates with a supply voltage of 2.7V to 3.6V and supports various modes of operation for reading and writing data.
Key features include page programming, sector erase capability, and the ability to perform rapid read operations, making it suitable for applications such as firmware storage, data logging, and configuration settings. Its compact package (typically a SOIC or DFN) makes it ideal for space-constrained designs. The AT45DB081E-SHN-T also includes features like hardware protection against accidental writes and a low-power mode, enhancing its usability in energy-sensitive applications. Overall, it’s a reliable choice for developers needing efficient, high-performance flash memory solutions.

Features

The AT45DB081E-SHN-T is an 8-Mbit serial NOR Flash memory device from Microchip Technology. Key features include:
1. Memory Capacity: 8 Mbits (1 MB) of non-volatile storage.
2. Interface: SPI (Serial Peripheral Interface) for easy integration with microcontrollers.
3. High-Speed Operations: Supports clock speeds up to 66 MHz for fast data transfer.
4. Page Programming: 256-byte page programming allows for quick updates.
5. Sector Erase: Can erase data in sectors (typically 4 KB) for efficient memory management.
6. Low Power Consumption: Designed for battery-operated devices, featuring a deep power-down mode.
7. Endurance: Supports up to 100,000 program/erase cycles per sector.
8. Data Retention: Data retention of 20 years at 85°C and 40 years at 25°C.
9. Security Features: Supports a hardware write protection feature to prevent accidental data loss.
Ideal for applications in consumer electronics, automotive, and industrial sectors requiring reliable data storage.

Package

The AT45DB081E-SHN-T is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for easy integration onto PCBs and features a compact design suitable for space-constrained applications.

Pinout

The AT45DB081E-SHN-T is a serial flash memory device with an 8-bit data bus and a total of 8 pins. The pin count includes:
1. CS (Chip Select) - Active low to select the device.
2. SCK (Serial Clock) - Clock input for synchronous data communication.
3. SI (Serial Input) - Data input for command and data transfer.
4. SO (Serial Output) - Data output for read operations.
5. GND - Ground connection.
6. VCC - Power supply connection.
7. HOLD - Active low input to pause serial communication.
8. WP (Write Protect) - Active low input to protect memory from write operations.
This device offers a storage capacity of 1 Mbit (128 KB) and supports a variety of operations including read, program, and erase, making it suitable for embedded applications.

Manufacturer

The manufacturer of the AT45DB081E-SHN-T is Microchip Technology Inc. Microchip is a leading American provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company specializes in embedded control applications and offers a wide range of products, including microcontrollers, memory devices, and development tools. Microchip serves various industries, including automotive, industrial, consumer, and communications, and is known for its focus on innovation and quality. The AT45DB081E-SHN-T is a serial NOR Flash memory device, commonly used in applications requiring non-volatile memory storage.

Application

The AT45DB081E-SHN-T is a 1 Megabit (128KB) serial data flash memory, commonly used in embedded systems for applications such as code storage, data logging, and firmware updates. It is suitable for consumer electronics, automotive systems, industrial automation, and telecommunications. Its high-speed SPI interface enables efficient data access, making it ideal for applications requiring non-volatile memory with fast read/write capabilities.

Equivalent

The AT45DB081E-SHN-T is a serial flash memory chip. Equivalent products include:
1. Microchip SST25VF080B
2. Winbond W25Q80BV
3. Macronix MX25L8006E
4. Cypress S25FL080P
These alternatives may vary in voltage, performance, or features, so check specifications for compatibility.