AT25640B-SSHL-B

Images à titre indicatif uniquement

AT25640B-SSHL-B

+Nomenclature

IC EEPROM 64KBIT SPI 20MHZ 8SOIC

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur
Part Status Active
Digi Key Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 64Kbit
Memory Organization 8K x 8
Memory Interface SPI
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.8V ~ 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 AT25640
Clock Frequency 20 MHz

Présentation

Description

The AT25640B-SSHL-B is a type of EEPROM (Electrically Erasable Programmable Read-Only Memory) chip, manufactured by Microchip Technology. EEPROMs are commonly used for data storage applications where data needs to be saved and retrieved across power cycles.
Key features of the AT25640B-SSHL-B include:
1. Storage Capacity: It offers 64 Kbits of memory capacity, organized as 8192 bytes of 8 bits each.
2. Interface: The device utilizes an SPI (Serial Peripheral Interface) for efficient communication with microcontrollers.
3. Voltage Range: It operates over a voltage range of 1.8V to 5.5V, making it suitable for a variety of electronic devices.
4. Data Retention: Ensures data retention for up to 100 years and supports up to 1,000,000 write/erase cycles.
5. Package: The 'SSHL' indicates a small-outline Shrink Small-Outline Package (SSOP), which is compact and suitable for space-constrained applications.
6. Applications: Commonly used in consumer electronics, industrial equipment, and automotive systems for storing firmware, calibration data, and configuration settings.
This EEPROM is ideal for applications requiring reliable, non-volatile memory storage with a compact footprint.

Equivalent

The AT25640B-SSHL-B is a 64Kb SPI serial EEPROM from Microchip Technology. Equivalent products include:
1. STMicroelectronics M95640 - A similar 64Kb SPI EEPROM.
2. ON Semiconductor CAT25C64 - Another 64Kb SPI EEPROM with similar specifications.
3. ROHM BR25H064 - A 64Kb SPI EEPROM suitable for similar applications.
These alternatives offer comparable storage capacity and interface type, making them suitable substitutes, though slight variations in specifications may exist.

Features

The AT25640B-SSHL-B is a high-performance EEPROM (Electrically Erasable Programmable Read-Only Memory) chip known for several key features:
1. Memory Capacity: It offers 64 Kbits (8,192 bytes) of storage, ideal for applications requiring moderate data storage.
2. Interface: Utilizes an SPI (Serial Peripheral Interface) bus for communication, providing fast and efficient data transfer.
3. Voltage Range: Operates in a wide voltage range of 1.7V to 5.5V, making it versatile for various power supply conditions.
4. Speed: Capable of high-speed operation, supporting clock frequencies up to 10 MHz.
5. Data Retention and Endurance: Guarantees data retention for over 100 years and provides a write endurance of 1 million cycles per byte.
6. Organizational Flexibility: Organized in 8,192 x 8-bit for easy addressing and data management.
7. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-powered devices.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, conducive to compact designs.
These features make the AT25640B-SSHL-B a reliable choice for applications requiring robust non-volatile memory solutions.

Pinout

The AT25640B-SSHL-B is a 64Kb (8KB) SPI EEPROM memory device. It typically comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. Here is a concise overview of its pin count and primary functions:
1. Pin Count: 8 pins
2. Functions:
- Pin 1 (CS): Chip Select - Activates the device.
- Pin 2 (SO): Serial Data Out - Outputs data to the master device.
- Pin 3 (WP): Write Protect - Used for disabling writing operations to part of the memory.
- Pin 4 (GND): Ground - Reference voltage for the device.
- Pin 5 (SI): Serial Data In - Inputs data from the master device.
- Pin 6 (SCK): Serial Clock - Synchronizes data transmission.
- Pin 7 (HOLD): Hold - Pauses communication without resetting the serial sequence.
- Pin 8 (VCC): Power Supply - Provides the necessary voltage for device operation.
This configuration allows for efficient serial communication using the SPI protocol, catering to applications requiring non-volatile memory storage.

Manufacturer

The AT25640B-SSHL-B is manufactured by Microchip Technology Inc. Microchip Technology is a leading American semiconductor company that designs and manufactures a wide range of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. These components are used in various applications across the automotive, industrial, consumer, aerospace, and communications markets. The company is recognized for its microcontroller and memory products, providing solutions that enable smart, connected, and secure systems. Microchip Technology's offerings are utilized in numerous electronic devices and systems, contributing to advancements in technology and innovation.

Application

The AT25640B-SSHL-B is a serial EEPROM typically used in applications requiring non-volatile memory storage. Its application areas include consumer electronics, industrial control systems, medical devices, and automotive systems. It is often used for storing configuration settings, calibration data, and small amounts of critical data that need to be retained even when power is lost. The device is suitable for applications where low power consumption and a small form factor are important.

Package

The AT25640B-SSHL-B is a serial EEPROM chip from Microchip Technology, packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form. This package type is suitable for surface-mount technology, providing a compact and efficient solution for integrating EEPROM into electronic circuits.

Produits liés à AT25640B-SSHL-B