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Description
The AT49BV040-70TI is a 3-volt only, 4-megabit Flash memory chip. It is organized as 524,288 words of 8-bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers fast access times of 70 ns with low power dissipation of just 90 mW over the commercial temperature range. The CMOS standby current is less than 50 µA when the device is deselected. It also has a user-enabled "boot block" protection feature, with the boot block located at the lowest order addresses ("bottom boot").
Specifications and features
- Single Voltage for Read and Write: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)
- Fast Read Access Time - 70 ns
- Internal Program Control and Timer
- 16K Bytes Boot Block with Lockout
- Fast Chip Erase Cycle Time - 10 seconds
- Byte-by-byte Programming - 30 µs/Byte Typical
- Hardware Data Protection
- Data Polling for End of Program Detection
- Low Power Dissipation - 25 mA Active Current, 50 µA CMOS Standby Current
- Typical 10,000 Write Cycles
- Small Packaging - 8 x 14 mm VSOP/TSOPApplication Scenarios
The AT49BV040-70TI Flash memory chip can be used in various application scenarios such as:
- Embedded systems
- Consumer electronics
- Industrial automation
- Communications equipment
Comparison
Advantages- Single voltage for read and write, making it compatible with a wide range of devices
- Fast read access time of 70 ns, ensuring quick data retrieval
- Internal program control and timer, allowing for efficient programming
- Boot block with lockout for enhanced security
- Fast chip erase cycle time of 10 seconds
- Byte-by-byte programming for precise data manipulation
- Hardware data protection for added reliability
- Low power dissipation, reducing energy consumption
- Small packaging size of 8 x 14 mm VSOP/TSOP, saving valuable board space
- High write cycle endurance of 10,000 cycles, ensuring long-term data retentionDisadvantages- Requires a single voltage for read and write, limiting compatibility with devices that operate at different voltages
- Limited storage capacity of 4 megabits -
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Datasheet
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- Datasheet: Download AT49BV040-70TI
- Chipdatas Part: CD92-AT49BV040-70TI
- Warehouse: China, Hong Kong
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- Last Updated: 2024/10/01 16:47 +0800
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