25LC040T-I/SN

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25LC040T-I/SN

IC EEPROM 4KBIT SPI 2MHZ 8SOIC

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Spécifications

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 4Kbit
Memory Organization 512 x 8
Memory Interface SPI
Clock Frequency 2 MHz
Write Cycle Time - Word, Page 5ms
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number 25LC040

Vue d'ensemble

Description

The 25LC040T-I/SN is a 4 Mbit (512 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) produced by Microchip Technology. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, allowing for high-speed data transfer. The device operates with a supply voltage range of 2.5V to 5.5V and is designed for applications requiring non-volatile memory storage, such as configuration settings, calibration data, and small amounts of user data.
Key features include a maximum clock frequency of 20 MHz, a page write capability of up to 16 bytes, and various modes such as byte and page programming. The 25LC040T-I/SN also includes features like write protection and support for multiple device connections on the same SPI bus. Its small package size makes it suitable for space-constrained applications in consumer electronics, automotive, and industrial systems. Overall, it provides a reliable and efficient solution for EEPROM needs in embedded systems.

Features

The 25LC040T-I/SN is a 4 Mbit (512 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
1. Interface: Utilizes a Serial Peripheral Interface (SPI) for fast communication.
2. Speed: Supports clock speeds up to 20 MHz for quick data access.
3. Voltage Range: Operates within a supply voltage range of 2.5V to 5.5V.
4. Write/Erase Cycle: Each memory location can be written and erased with a typical endurance of 1,000,000 cycles.
5. Data Retention: Offers a data retention period of up to 200 years at 25°C.
6. Memory Organization: Organized as 512 pages of 16 bytes each, allowing for efficient data management.
7. Low Power Consumption: Features low active and standby power consumption, enhancing energy efficiency.
8. Package Options: Available in various packages, including SOIC and TSSOP, for versatile applications.
This component is ideal for applications requiring non-volatile data storage, such as configuration settings, calibration data, and system parameters.

Package

The 25LC040T-I/SN is packaged in an 8-pin PDIP (Plastic Dual In-line Package) form factor.

Pinout

The 25LC040T-I/SN is a 4 Mbit (512 K x 8) Serial EEPROM with a total of 8 pins. The pin configuration and their functions are as follows:
1. VSS (Pin 1): Ground.
2. VCC (Pin 2): Supply voltage (typically 2.5V to 5.5V).
3. SCK (Pin 3): Serial Clock input for synchronization of data transfer.
4. SI (Pin 4): Serial Data Input for writing data to the EEPROM.
5. SO (Pin 5): Serial Data Output for reading data from the EEPROM.
6. CS (Pin 6): Chip Select, an active-low input to enable the device.
7. WP (Pin 7): Write Protect, when high, protects the memory from accidental writes.
8. HOLD (Pin 8): Hold, used to pause the serial communication when low.
The device supports SPI (Serial Peripheral Interface) communication, enabling efficient data read and write operations.

Manufacturer

The manufacturer of the 25LC040T-I/SN is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, it specializes in embedded control applications and offers a wide range of devices, including microcontrollers, digital signal controllers, and memory products. The company primarily serves various industries, such as automotive, industrial, consumer electronics, and communications, providing innovative solutions for a diverse range of applications. Microchip is known for its commitment to quality and customer service, making it a key player in the semiconductor industry.

Application

The 25LC040T-I/SN is a 4 Mbit serial EEPROM used in various applications, including data storage for microcontrollers, configuration settings in consumer electronics, automotive systems, and industrial controls. Its small footprint and low power consumption make it suitable for portable devices and IoT applications, where reliable non-volatile memory is essential for firmware storage, calibration data, and user settings.

Equivalent

The 25LC040T-I/SN is a 4 Mbit serial EEPROM. Equivalent products include the AT25040A (Microchip), M25P05 (STMicroelectronics), and 93C56 (Microchip). When selecting alternatives, verify the interface (SPI or I2C), voltage range, and package type to ensure compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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