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MFG:ATMEL
Part Number: AT45DB161D
MFG: ATMEL
Description: The AT45DB161D is a 2.5-volt or 2.7-volt, serial-interface sequential access Flash memory ideally suited for a wide var...
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AT45DB161D
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DataSheet
General Description
AT45DB161D General Description
The AT45DB161D is a 2.5-volt or 2.7-volt, serial-interface sequential access Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. The AT45DB161D supports RapidS serial interface for applications requiring very high speed operations. RapidS serial interface is SPI compatible for frequencies up to 66 MHz. Its 17,301,504 bits of memory are organized as 4,096 pages of 512 bytes or 528 bytes each. In addition to the main memory, the AT45DB161D also contains two SRAM buffers of 512/528 bytes each. The buffers allow the receiving of data while a page in the main Memory is being reprogrammed, as well as writing a continuous data stream. EEPROM emulation (bit or byte alterability) is easily handled with a self-contained three step read-modify-write operation. Unlike conventional Flash memories that are accessed randomly with multiple address lines and a parallel interface, the DataFlash uses a RapidS serial interface to sequentially access its data. The simple sequential access dramatically reduces active pin count, facilitates hardware layout, increases system reliability, minimizes switching noise, and reduces package size. The device is optimized for use in many commercial and industrial applications where high-density, low-pin count, low-voltage and low-power are essential.
To allow for simple in-system reprogrammability, the AT45DB161D does not require high input voltages for programming. The device operates from a single power supply, 2.5V to 3.6V or 2.7V to 3.6V, for both the program and read operations. The AT45DB161D is enabled through the chip select pin (CS) and accessed via a three-wire interface consisting of the Serial Input (SI), Serial Output (SO), and the Serial Clock (SCK).
All programming and erase cycles are self-timed.
AT45DB161D Features
• Single 2.5V - 3.6V or 2.7V - 3.6V Supply
• RapidS™ Serial Interface: 66 MHz Maximum Clock Frequency
SPI Compatible Modes 0 and 3
• User Configurable Page Size
512 Bytes per Page
528 Bytes per Page
• Page Program Operation
Intelligent Programming Operation
4,096 Pages (512/528 Bytes/Page) Main Memory
• Flexible Erase Options
Page Erase (512 Bytes)
Block Erase (4 Kbytes)
Sector Erase (128 Kbytes)
• Two SRAM Data Buffers (512/528 Bytes)
Allows Receiving of Data while Reprogramming the Flash Array
• Continuous Read Capability through Entire Array
Ideal for Code Shadowing Applications
• Low-power Dissipation
7 mA Active Read Current Typical
25 A Standby Current Typical
9 A Deep Power Down Typical
• Hardware and Software Data Protection Features
Individual Sector
• Sector Lockdown for Secure Code and Data Storage
Individual Sector
• Security: 128-byte Security Register
64-byte User Programmable Space
Unique 64-byte Device Identifier
• JEDEC Standard Manufacturer and Device ID Read
• 100,000 Program/Erase Cycles Per Page Minimum
• Data Retention 20 Years
• Industrial Temperature Range
• Green (Pb/Halide-free/RoHS Compliant) Packaging Options
• RapidS™ Serial Interface: 66 MHz Maximum Clock Frequency
SPI Compatible Modes 0 and 3
• User Configurable Page Size
512 Bytes per Page
528 Bytes per Page
• Page Program Operation
Intelligent Programming Operation
4,096 Pages (512/528 Bytes/Page) Main Memory
• Flexible Erase Options
Page Erase (512 Bytes)
Block Erase (4 Kbytes)
Sector Erase (128 Kbytes)
• Two SRAM Data Buffers (512/528 Bytes)
Allows Receiving of Data while Reprogramming the Flash Array
• Continuous Read Capability through Entire Array
Ideal for Code Shadowing Applications
• Low-power Dissipation
7 mA Active Read Current Typical
25 A Standby Current Typical
9 A Deep Power Down Typical
• Hardware and Software Data Protection Features
Individual Sector
• Sector Lockdown for Secure Code and Data Storage
Individual Sector
• Security: 128-byte Security Register
64-byte User Programmable Space
Unique 64-byte Device Identifier
• JEDEC Standard Manufacturer and Device ID Read
• 100,000 Program/Erase Cycles Per Page Minimum
• Data Retention 20 Years
• Industrial Temperature Range
• Green (Pb/Halide-free/RoHS Compliant) Packaging Options
AT45DB161D Connection Diagram
AT45DB161D
PDF/DataSheet Download
- Datasheet: AT45DB161D
- File Size: 1430232 KB
- Manufacturer: ATMEL Corporation
- Click here to Download
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AT45DB161D Relative Products
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