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AT25640B-SSHL-T

Name: AT25640B-SSHL-T
Rating: 4.7 (12 reviews)

IC EEPROM 64KBIT SPI 20MHZ 8SOIC

Производитель
Мфр. Часть #AT25640B-SSHL-T
Пакет SOIC-8
Лист данных AT25640B-SSHL-T DataSheet
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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	64Kb (8K x 8)
MemoryInterface	SPI
ClockFrequency	20 MHz
WriteCycleTime-WordPage	5ms
Voltage-Supply	1.8V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

Обзор

Description

The AT25640B-SSHL-T is a 256 Kbit (32 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for low power and high reliability. It utilizes the I2C (Inter-Integrated Circuit) communication protocol, enabling simple and efficient data transfer between the memory chip and microcontrollers. The device operates over a voltage range of 2.5V to 5.5V, making it suitable for various battery-powered applications.
Key features include fast write and read cycles, endurance of up to 1 million write/erase cycles, and a data retention period of over 100 years. The AT25640B-SSHL-T is housed in a compact 8-pin SOIC package, which makes it easy to integrate into space-constrained designs. It's commonly used in applications such as consumer electronics, automotive systems, and industrial control where reliable data storage is critical.

Features

The AT25640B-SSHL-T is a serial EEPROM chip featuring a 256-kbit memory capacity. Key features include:
1. Interface: It utilizes an I²C interface, allowing for easy integration with microcontrollers.
2. High Speed: Capable of operating at clock speeds up to 1 MHz.
3. Low Power Consumption: Ideal for battery-powered applications with low standby and active current.
4. Memory Organization: Organized as 32 pages of 8 bytes each, allowing for efficient data management.
5. Write Endurance: Supports up to 1 million write cycles per byte, ensuring durability.
6. Data Retention: Offers a data retention guarantee of up to 100 years.
7. Package Type: Available in a small, space-saving package (usually in TSSOP format).
8. I/O Voltage Range: Operates across a range of supply voltages (typically 1.8V to 5.5V).
These features make the AT25640B-SSHL-T suitable for various applications, including consumer electronics, automotive, and industrial devices requiring reliable non-volatile memory.

Package

The AT25640B-SSHL-T is packaged in a small form factor 8-pin TSSOP (Thin Shrink Small Outline Package), which is designed for surface mounting. This package type is suitable for applications requiring compact size and low profile.

Pinout

The AT25640B-SSHL-T is a 256Kb (32K x 8) EEPROM memory device with a total of 8 pins. The pin configuration and their functions are as follows:
1. A0: Address line 0
2. A1: Address line 1
3. A2: Address line 2
4. VCC: Power supply voltage (typically 2.7V to 5.5V)
5. GND: Ground
6. SDA: Serial data input/output (I2C data line)
7. SCL: Serial clock (I2C clock line)
8. WP: Write protect (active low; protects memory from being written)
This device operates using I2C communication and is commonly used for non-volatile data storage applications.

Manufacturer

The AT25640B-SSHL-T is manufactured by Microchip Technology Inc., a prominent American company that specializes in designing and manufacturing microcontrollers, memory, and other semiconductor products. Founded in 1989, Microchip serves a wide range of industries, including automotive, consumer electronics, industrial automation, and telecommunications. The company is known for its innovative solutions in embedded control and microcontroller development, offering both hardware and software tools to facilitate product design. Microchip is recognized for its commitment to quality and reliability, making it a key player in the semiconductor industry.

Application

The AT25640B-SSHL-T is a 256Kb (32K x 8) serial EEPROM suitable for various applications, including consumer electronics, automotive systems, industrial automation, medical devices, and smart meters. It is commonly used for data storage, configuration settings, calibration data, and firmware updates due to its low power consumption, reliability, and I2C interface.

Equivalent

The AT25640B-SSHL-T is a 512K-bit EEPROM chip. Equivalent products include:
1. Microchip 24LC640 - 64K x 8-bit EEPROM.
2. STMicroelectronics M24C640 - 64K x 8-bit EEPROM.
3. NXP 24C640 - 64K x 8-bit EEPROM.
Ensure to check specifications (e.g., pin configuration, voltage, and speed) for compatibility.

Доставка

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DHL компанией: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 2-5 рабочих дней.

компании FedEx: Стоимость доставки варьируется от 25 до 40 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ТНТ: Стоимость доставки варьируется от 25 до 65 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ЭМС: Стоимость доставки варьируется от $30-$50 (0,5 кг), с предполагаемым сроком доставки 7-15 рабочих дней.

Зарегистрированная воздушная почта: Стоимость доставки составляет 2-4 доллара США (0,1 кг), при этом предполагаемое время доставки составляет 5-20 рабочих дней.