25LC320AT-E/SN

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25LC320AT-E/SN

IC EEPROM 32KBIT SPI 10MHZ 8SOIC

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Specifications

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 32Kbit
Memory Organization 4K x 8
Memory Interface SPI
Write Cycle Time - Word, Page 5ms
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number 25LC320
Clock Frequency 10 MHz

Overview

Description

The 25LC320AT-E/SN is a 32-megabit (4MB) serial Flash memory chip produced by Microchip Technology. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, allowing for high-speed data transfer and efficient use of microcontroller resources. This chip operates at a voltage range of 2.7V to 3.6V and offers a maximum clock frequency of 104 MHz, making it suitable for a variety of applications, including embedded systems, consumer electronics, and automotive devices.
Key features include a memory organization of 4,096 pages of 256 bytes each, support for multiple read modes, and features like erase, write, and chip-select functionalities. The 25LC320AT-E/SN also supports deep power-down and write protection modes to enhance data integrity and power efficiency. Its compact 8-pin SOIC package facilitates easy integration into designs where space is constrained. Overall, this chip is ideal for applications requiring reliable non-volatile storage with fast access and low power consumption.

Features

The 25LC320AT-E/SN is a 32 Mbit (4 Mbyte) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
1. Interface: Utilizes a Serial Peripheral Interface (SPI) for communication, allowing for fast data transfer rates up to 20 MHz.
2. Memory Organization: Structured in 4,096 pages of 64 bytes each, enabling efficient data storage and retrieval.
3. Voltage Range: Operates from a supply voltage of 2.5V to 5.5V, making it suitable for a wide range of applications.
4. Write Endurance: Supports at least 1,000,000 write/erase cycles per memory cell, providing durability for frequent data updates.
5. Data Retention: Ensures data retention of up to 200 years, ensuring long-term data integrity.
6. Low Power Consumption: Features low power operation modes, making it suitable for battery-powered devices.
7. Security: Includes a hardware write protection feature to safeguard data from unintentional modifications.
These features make the 25LC320AT-E/SN ideal for applications requiring reliable non-volatile storage.

Package

The 25LC320AT-E/SN is offered in an 8-pin SOIC (Small Outline Integrated Circuit) package type. This surface-mount package is commonly used for EEPROM applications in various electronic devices.

Pinout

The 25LC320AT-E/SN is a 32 Kbit serial EEPROM from Microchip Technology. It comes in a 8-pin package. The pin count and their functions are as follows:
1. CS (Chip Select): Active low input to enable the device.
2. SI (Serial Input): Data input pin for receiving serial data.
3. SO (Serial Output): Data output pin for sending serial data.
4. SCK (Serial Clock): Clock input for synchronizing data transfer.
5. WP (Write Protect): Active low input to enable or disable write operations.
6. VSS (Ground): Connects to the ground reference.
7. VCC (Supply Voltage): Power supply pin, typically 2.5V to 5.5V.
8. HOLD: Active low input to pause the operation of the device.
This device uses the SPI (Serial Peripheral Interface) protocol for communication, making it suitable for various applications needing non-volatile storage.

Manufacturer

The manufacturer of the 25LC320AT-E/SN is Microchip Technology Inc. Microchip is a leading American company that specializes in developing microcontrollers, memory products, and integrated circuits for embedded systems. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, industrial, consumer, and telecommunications. The company is known for its commitment to providing high-quality, low-power solutions and offers a broad portfolio of products, including analog and digital signal controllers, microprocessors, and memory devices. With a strong emphasis on innovation, Microchip frequently engages in extensive research and development to meet the evolving needs of its customers in the rapidly advancing technology landscape.

Application

The 25LC320AT-E/SN is a 32Mb SPI serial EEPROM used in various applications, including consumer electronics, automotive systems, industrial automation, and telecommunications. Its primary uses include data storage for firmware, configuration settings, calibration data, and system parameters in devices like microcontrollers, portable media players, and smart meters. Its non-volatile memory ensures data retention without power, making it suitable for applications requiring reliable long-term storage.

Equivalent

The 25LC320AT-E/SN is a 32Kb SPI EEPROM. Equivalent products include the Microchip 25AA320A, 25AA320, and similar SPI EEPROMs from manufacturers like Winbond (W25X32) and STMicroelectronics (M25P32). Ensure to verify specific features like voltage, speed, and package type when selecting an equivalent.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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