at49f2048a Datasheet - Atmel
The AT49F2048A is a 2-megabit flash memory integrated circuit designed for use in a variety of applications, including microcontroller-based systems, embedded...
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📝 Component Overview
The AT49F2048A is a 2-megabit flash memory integrated circuit designed for use in a variety of applications, including microcontroller-based systems, embedded systems, and other memory-intensive designs. It features a 5-volt only operation, making it suitable for systems where power consumption needs to be minimized. The device offers high performance with fast access times and the ability to be programmed and erased electrically.
Key Features and Benefits
- 2-megabit flash memory
- 5-volt only operation
- Fast access times
- Electrically programmable and erasable
- Suitable for microcontroller-based systems and embedded systems
- Low power consumption
Typical Applications
- Microcontroller-based systems
- Embedded systems
- Memory expansion for handheld devices
- Industrial control systems
- Medical devices
- Consumer electronics
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -65°C to +150°C |
| Voltage on Any Pin | -0.6V to VCC + 0.6V |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5V | 5V | 5.5V | V |
| Standby Current | VCC = 5V | 1 μA | 5 μA | 10 μA | A |
Package Information
- PDIP (Plastic Dual In-Line Package): A through-hole package with 32 pins
- PLCC (Plastic Leaded Chip Carrier): A surface-mount package with 32 pins
- TSOP (Thin Small Outline Package): A surface-mount package with 32 pins, designed for low profile applications
Pin Configuration
- Pin 1: A0 - Address Input 0
- Pin 2: A1 - Address Input 1
🔧 Application Guidelines
Design Considerations
When designing with the AT49F2048A, consider the power supply requirements, ensuring that the system can provide a stable 5-volt supply. Also, consider the memory organization and how it will be accessed and utilized within the system.
Installation Guidelines
The AT49F2048A should be handled with care to prevent damage from static electricity. Use an anti-static wrist strap or work on an anti-static surface. Ensure the device is properly seated in its socket or soldered to the PCB, following standard soldering practices.
Operational Notes
The device operates with a single 5-volt power supply. It is designed for use in systems where low power consumption is critical. The AT49F2048A supports both program and erase operations, allowing for flexible memory management within the system.