24LC32AT-E/ST

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24LC32AT-E/ST

IC EEPROM 32KBIT I2C 8TSSOP

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  • Mfr。パート #24LC32AT-E/ST
  • パッケージ TSSOP-8
  • データシート
  • 在庫中5265

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仕様

Package Tape & Reel (TR)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 32Kb (4K x 8)
MemoryInterface I²C
ClockFrequency 400 kHz
WriteCycleTime-WordPage 5ms
AccessTime 900 ns
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

概要

Description

The 24LC32AT-E/ST is a 32-kilobit (4K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology. It utilizes I2C (Inter-Integrated Circuit) communication, allowing for easy integration into various digital systems. The device operates with a supply voltage range of 1.8V to 5.5V and supports a maximum clock frequency of 1 MHz, making it suitable for low-power applications.
It features a built-in write protection mechanism and can accommodate up to eight devices on a single I2C bus, identified by unique addresses. The 24LC32AT-E/ST is ideal for storing configuration data, calibration tables, and other non-volatile data in microcontroller-based designs. Its small footprint and low power consumption make it popular in consumer electronics, automotive systems, and industrial applications. The device can be programmed and erased in blocks, facilitating efficient data management. Overall, the 24LC32AT-E/ST stands out for its reliability, ease of use, and versatility in various applications.

Features

The 24LC32AT-E/ST is a 32Kbit (4K x 8) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) with the following key features:
1. I2C Interface: Supports standard and fast modes up to 400 kHz.
2. Memory Organization: 4K x 8 bits, allowing for flexible data storage.
3. Voltage Range: Operates from 1.7V to 5.5V, making it suitable for various applications.
4. Page Write Mode: Allows writing up to 16 bytes at once, improving write efficiency.
5. Low Power Consumption: Consumes 1 µA in standby mode, ideal for battery-operated devices.
6. Endurance: Offers up to 1,000,000 write cycles and data retention of over 100 years.
7. Acknowledge Polling: Ensures reliable write operations by confirming successful data transfer.
8. Write Protection: Provides hardware write protection for added data security.
This device is commonly used in applications such as consumer electronics, automotive systems, and industrial controls for non-volatile data storage.

Package

The 24LC32AT-E/ST is available in an 8-pin SOIC package (Small Outline Integrated Circuit). This package type is surface-mounted, allowing for space-efficient PCB design while maintaining reliable electrical connections.

Pinout

The 24LC32AT-E/ST is a 32 Kbit (4 Kbyte) EEPROM (Electrically Erasable Programmable Read-Only Memory) device. It features a total of 8 pins. The pin configuration and functions are as follows:
1. VCC: Power supply (typically +2.5V to +5.5V).
2. GND: Ground reference.
3. SDA: Serial Data Line for data transfer (bidirectional).
4. SCL: Serial Clock Line for synchronization of data transfer.
5. WP: Write Protect; when high, it prevents write operations.
6. A0, A1, A2: Address pins for selecting the device on the I2C bus (can be tied to ground or VCC).
7. NC: Not Connected; no function.
The 24LC32AT-E/ST uses the I2C (Inter-Integrated Circuit) protocol for communication, allowing multiple devices to be connected on the same bus.

Manufacturer

The manufacturer of the 24LC32AT-E/ST is Microchip Technology Inc. Microchip is a leading provider of microcontroller, memory, and analog semiconductor products. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control applications and offers a wide range of integrated circuits (ICs), including EEPROM, microcontrollers (MCUs), and digital signal controllers (DSCs). The company serves various industries, including automotive, industrial, consumer, and communications, providing solutions that enable innovation and efficiency in electronic design. Their products are widely used in applications ranging from simple sensor systems to complex automotive and industrial controls.

Application

The 24LC32AT-E/ST is a 32K-bit EEPROM (Electrically Erasable Programmable Read-Only Memory) commonly used in applications such as data logging, configuration storage, and real-time clock settings. It's suitable for consumer electronics, automotive systems, industrial controls, and medical devices, where non-volatile storage of small amounts of data is required. Its I2C interface allows for easy integration in various microcontroller-based projects.

Equivalent

Equivalent products to the 24LC32AT-E/ST chip include the AT24C32, 93C56, M24C32, and CAT24C32. These chips are all EEPROMs with similar memory capacity and I2C or compatible interfaces, suitable for various applications requiring non-volatile memory. Always check specific datasheets for pin compatibility and electrical characteristics.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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