AT25080A Datasheet PDF - ATMEL Corporation

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AT25080A
ATMEL Corporation

Part Number AT25080A
Description SPI Automotive Temperature Serial EEPROMs
Page 20 Pages

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NOT RECOMMENDED
FOR NEW DESIGNS
1. AT25080A Replaced by
AT25080B Automotive
2. AT25160A Replaced by
AT25160B Automotive
3. AT25320A Replaced by
AT25320B Automotive
4. AT25640A Replaced by
AT25640B Automotive
AT25080A(1),AT25160A(2)
AT25320A(3),AT25640A(4)
SPI Automotive Temperature Serial EEPROMs
8K (1024 x 8), 16K (2048 x 8), 32K (4096 x 8), 64K (8192 x 8)
Features
DATASHEET
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
̶ Data Sheet Describes Mode 0 Operation
Medium-voltage and Standard-voltage Operation
̶ 2.7 (VCC = 2.7V to 5.5V)
Extended Temperature Range: –40C to 125C
5MHz Clock Rate
32-byte Page Mode
Block Write Protection
̶ Protect 1/4, 1/2, or Entire Array
Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and
Software Data Protection
Self-timed Write Cycle (2ms at 5.0V VCC Typical)
High Reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
8-lead JEDEC SOIC and TSSOP Packages
Description
The AT25080A/160A/320A/640A provides 8,192/16,384/32,768/65,536 bits of
Serial Electrically-Erasable Programmable Read-only Memory (EEPROM)
organized as 1,024/2,048/4,096/8,192 words of 8 bits each. The device is
optimized for use in many automotive applications where low-power and
low-voltage operation are essential. The AT25080A/160A/320A/640A is available
in space-saving 8-lead JEDEC SOIC and TSSOP packages.
The AT25080A/160A/320A/640A is enabled through the Chip Select pin (CS) and
accessed via a 3-Wire interface consisting of Serial Data Input (SI), Serial Data
Output (SO), and Serial Clock (SCK). All programming cycles are completely
self-timed, and no separate erase cycle is required before write.
Block write protection is enabled by programming the status register with one of
four blocks of write protection. Separate program enable and program disable
instructions are provided for additional data protection. Hardware data protection
is provided via the WP pin to protect against inadvertent write attempts to the
status register. The HOLD pin may be used to suspend any serial communication
without resetting the serial sequence.
Atmel-5082E-SEEPROM-AT25080A-160A-320A-640A-Auto-Datasheet_102014

AT25080A datasheet pdf
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AT25080A pdf
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