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AT49F002AT-55TI
Product Overview
Category
AT49F002AT-55TI belongs to the category of Flash Memory Chips.
Use
This product is primarily used for data storage in electronic devices such as computers, smartphones, and digital cameras.
Characteristics
- Non-volatile memory: Retains data even when power is turned off.
- High storage capacity: The AT49F002AT-55TI has a storage capacity of 2 megabits (256 kilobytes).
- Fast read and write speeds: Allows for quick access to stored data.
- Low power consumption: Efficient energy usage for extended battery life in portable devices.
Package
The AT49F002AT-55TI is available in a Thin Small Outline Package (TSOP) which ensures compactness and ease of integration into various electronic devices.
Essence
The essence of this product lies in its ability to provide reliable and high-capacity data storage in a compact form factor.
Packaging/Quantity
The AT49F002AT-55TI is typically packaged in reels or trays, with each reel or tray containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.
Specifications
- Manufacturer: Atmel Corporation
- Part Number: AT49F002AT-55TI
- Memory Type: Flash
- Memory Size: 2 Megabits (256 Kilobytes)
- Interface: Parallel
- Operating Voltage: 2.7V - 3.6V
- Operating Temperature Range: -40°C to +85°C
- Data Retention: 20 years
- Endurance: 10,000 erase/write cycles
Detailed Pin Configuration
The AT49F002AT-55TI has a total of 32 pins. Here is the detailed pin configuration:
- A16
- A14
- A12
- A7
- A6
- A5
- A4
- A3
- A2
- A1
- A0
- VCC
- WE#
- OE#
- CE#
- BYTE#
- NC
- DQ0
- DQ1
- DQ2
- DQ3
- DQ4
- DQ5
- DQ6
- DQ7
- RY/BY#
- RESET#
- VSS
- RP#
- PGM#
- VPP
- NC
Functional Features
- Erase and Write Operations: The AT49F002AT-55TI supports both sector erase and byte programming operations, allowing for flexible data modification.
- Hardware Data Protection: The chip features a hardware protection mechanism to prevent accidental erasure or modification of stored data.
- Fast Access Time: With a maximum access time of 55 nanoseconds, this flash memory chip ensures quick retrieval of data.
Advantages and Disadvantages
Advantages
- High storage capacity
- Fast read and write speeds
- Low power consumption
- Compact form factor
- Hardware data protection
Disadvantages
- Limited endurance (10,000 erase/write cycles)
- Requires an external voltage supply (VPP) for programming
Working Principles
The AT49F002AT-55TI utilizes the principles of flash memory technology. It stores data by trapping electric charges in floating gate transistors. These charges can be erased or programmed using specific electrical signals. When reading data, the stored charges are detected and interpreted as binary information.
Detailed Application Field Plans
The AT49F002AT-55TI is widely used in various electronic devices and applications, including: - Computer systems - Mobile phones - Digital cameras - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
- AT49F002NT-55TI: Similar specifications but with a different package type (TSOP II)
- AT49F002NT-70VI: Higher operating voltage range (2.7V - 5.5V) for compatibility with a wider range of devices
- AT49F002NT-90VC: Extended temperature range (-40°C to +125°C) for harsh environment applications
These alternative models offer similar functionality and can be considered as replacements for the AT49F002AT-55TI depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F002AT-55TI en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AT49F002AT-55TI in technical solutions:
Q: What is the AT49F002AT-55TI? A: The AT49F002AT-55TI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.
Q: What are the key features of the AT49F002AT-55TI? A: Some key features include a fast read access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.
Q: How can I interface the AT49F002AT-55TI with a microcontroller? A: The AT49F002AT-55TI uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.
Q: What is the maximum operating frequency of the AT49F002AT-55TI? A: The AT49F002AT-55TI can operate at frequencies up to 55 MHz, allowing for fast data transfer rates.
Q: Can I use the AT49F002AT-55TI as a boot device for my microcontroller? A: Yes, the AT49F002AT-55TI can be used as a boot device since it supports random access read and sector erase operations.
Q: Does the AT49F002AT-55TI require any external power supply voltage regulation? A: No, the AT49F002AT-55TI has an internal voltage regulator that allows it to operate directly from a single 5V power supply.
Q: Can I program the AT49F002AT-55TI in-circuit or do I need to remove it from the circuit? A: The AT49F002AT-55TI supports in-system programming, which means you can program it while it is connected to the microcontroller circuit.
Q: What is the typical endurance of the AT49F002AT-55TI? A: The AT49F002AT-55TI has a typical endurance of 10,000 erase/write cycles per sector.
Q: Can I use the AT49F002AT-55TI in industrial temperature environments? A: Yes, the AT49F002AT-55TI is designed to operate in a wide temperature range, including industrial temperature (-40°C to +85°C).
Q: Are there any specific precautions I should take when handling the AT49F002AT-55TI? A: It is recommended to follow standard ESD (Electrostatic Discharge) precautions when handling the AT49F002AT-55TI to prevent damage to the chip.
Please note that these answers are general and may vary depending on the specific application and requirements.