at49f040 Datasheet - Atmel
The AT49F040 is a 4-Mbit (512K x 8) 5-volt only Flash memory IC manufactured by Atmel. It features a single power supply and can be erased and reprogrammed.
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📝 Component Overview
The AT49F040 is a 4-Mbit (512K x 8) 5-volt only Flash memory IC manufactured by Atmel. It features a single power supply and can be erased and reprogrammed. The device has a 6-byte command sequence for erasing and programming, and it includes a chip erase function which allows the entire memory to be erased at one time. The AT49F040 is suitable for applications where a small amount of non-volatile memory is required, such as in embedded systems, consumer electronics, and industrial control systems.
Key Features and Benefits
- 4-Mbit (512K x 8) Flash memory
- 5-volt only single power supply
- Chip erase function
- 6-byte command sequence for erasing and programming
- Suitable for embedded systems, consumer electronics, and industrial control systems
- Low power consumption
- High speed access times
Typical Applications
- Embedded systems
- Consumer electronics
- Industrial control systems
- Medical devices
- Automotive systems
- Telecommunications equipment
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Operating Temperature | -55°C to +125°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 |
|---|---|---|---|---|---|
| VCC Supply Current (Read) | VCC = 5V, TA = 25°C | 10 | 20 | 30 | mA |
| VCC Supply Current (Program/Erase) | VCC = 5V, TA = 25°C | 20 | 30 | 40 | mA |
Package Information
- PDIP: Plastic Dual In-Line Package
- PLCC: Plastic Leaded Chip Carrier
- TSOP: Thin Small Outline Package
Pin Configuration
- Pin 1: A0 - Address Input 0
- Pin 2: A1 - Address Input 1
🔧 Application Guidelines
Design Considerations
The AT49F040 should be used in applications where a small amount of non-volatile memory is required. The device is suitable for embedded systems, consumer electronics, and industrial control systems. The 5-volt only single power supply makes it easy to integrate into systems with a single power supply.
Installation Guidelines
The AT49F040 should be handled with care to prevent damage to the device. The device should be stored in a dry, clean environment, away from direct sunlight and moisture. The device should be mounted on a printed circuit board with a suitable socket or soldered directly to the board.
Operational Notes
The AT49F040 is a Flash memory device and should be used in applications where data needs to be stored and retrieved. The device has a limited number of erase and program cycles, and the user should take care to minimize the number of cycles to ensure the longevity of the device.