AT25640B-SSHL-T
Product Overview
Category: Integrated Circuit
Use: Non-volatile Serial EEPROM
Characteristics: High-speed, low-power, small form factor
Package: 8-pin SOIC
Essence: Data storage and retrieval
Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Memory Size: 64 Kbit (8 Kbyte)
- Interface: SPI (Serial Peripheral Interface)
- Operating Voltage: 1.7V to 5.5V
- Operating Temperature: -40°C to +85°C
- Write Protect Pin: Yes
- Data Retention: 100 years
- Endurance: 1,000,000 write cycles
Detailed Pin Configuration
- Chip Select (/CS)
- Serial Clock (SCK)
- Serial Data Input/Output (SI/SO)
- Write Protect (/WP)
- VSS (Ground)
- Serial Data Output (SO)
- Serial Data Input (SI)
- VCC (Power)
Functional Features
- Byte and Page Write Modes
- Sequential Read Function
- Software and Hardware Write Protection
- Self-timed Write Cycle
Advantages
- Low Power Consumption
- High-Speed Performance
- Small Form Factor
- Long Data Retention Period
Disadvantages
- Limited Memory Size
- Vulnerable to External Magnetic Fields
Working Principles
The AT25640B-SSHL-T operates as a non-volatile memory device using the Serial Peripheral Interface (SPI) protocol. It stores and retrieves data through sequential read and byte/page write operations. The write protect pin allows for software and hardware protection of stored data.
Detailed Application Field Plans
- Automotive Electronics: Used for storing vehicle configuration data and event logging in automotive electronic control units.
- Consumer Electronics: Employed in smart home devices for storing user preferences and operational data.
- Industrial Automation: Utilized in programmable logic controllers for parameter storage and firmware updates.
Detailed and Complete Alternative Models
- AT25SF041-SSHD-T: 4 Mbit Serial Flash Memory
- CAT24C256WI-GT3: 256 Kbit I2C Serial EEPROM
- M95M02-DRMN6TP/K: 2 Mbit SPI EEPROM
This comprehensive entry provides an in-depth understanding of the AT25640B-SSHL-T, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
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技術ソリューションにおける AT25640B-SSHL-T の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the AT25640B-SSHL-T?
- The AT25640B-SSHL-T is a 64K (8K x 8) SPI serial EEPROM with a wide voltage supply range and low power consumption, suitable for various technical solutions.
What are the key features of the AT25640B-SSHL-T?
- The key features include a high-speed SPI interface, low power consumption, wide voltage operation, and a 64K bit memory array.
How can the AT25640B-SSHL-T be used in technical solutions?
- It can be used for storing configuration data, calibration constants, or other application-specific parameters in various technical solutions.
What is the operating voltage range of the AT25640B-SSHL-T?
- The operating voltage range is from 1.7V to 5.5V, making it suitable for a wide range of applications.
What is the maximum clock frequency supported by the AT25640B-SSHL-T?
- The maximum clock frequency supported is 20 MHz, enabling high-speed data transfer in technical solutions.
Can the AT25640B-SSHL-T withstand industrial temperature ranges?
- Yes, it is designed to operate across a wide temperature range, making it suitable for industrial applications.
Does the AT25640B-SSHL-T support write protection?
- Yes, it offers hardware and software write protection to prevent accidental writes to the memory array.
Is the AT25640B-SSHL-T compatible with standard SPI interfaces?
- Yes, it is fully compatible with standard SPI protocols, making it easy to integrate into existing designs.
What is the typical standby current of the AT25640B-SSHL-T?
- The typical standby current is very low, making it suitable for battery-powered applications.
Are there any specific design considerations when using the AT25640B-SSHL-T in technical solutions?
- Designers should consider proper decoupling, signal integrity, and layout guidelines to ensure reliable operation and performance.