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AT25160B fiches techniques PDF

ATMEL Corporation - SPI Automotive Temperature Serial EEPROMs

Numéro de référence AT25160B
Description SPI Automotive Temperature Serial EEPROMs
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT25160B fiche technique
AT25080B, AT25160B, AT25320B, and AT25640B
SPI Automotive Temperature Serial EEPROMs
8K (1,024 x 8), 16K (2,048 x 8), 32K (4,096 x 8), 64K (8,192 x 8)
Features
DATASHEET
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
̶ Datasheet Describes Mode 0 Operation
Low-voltage, Medium-voltage and High-voltage Operation
̶ Grade 1, VCC = 2.5V to 5.5V
̶ Grade 2(1) and 3, VCC = 1.7V to 5.5V
Extended Temperature Range (Grade 1, 2(1), and 3 as defined in AEC-Q100)
̶ Grade 1 Temperature Range: -40C to 125C
̶ Grade 2 Temperature Range(1): -40C to 105C
̶ Grade 3 Temperature Range: -40C to 85C
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 (5ms max)
High Reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
8-lead JEDEC SOIC, 8-lead TSSOP, and 8-pad UDFN Packages
Note: 1. Contact Sales for Grade 2 Availability
Description
The Atmel® AT25080B/160B/320B/640B 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. AT25080B/160B/320B/640B is available in
space-saving 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-pad UDFN packages.
AT25080B/160B/320B/640B 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-8803E-SEEPROM-AT25080B-160B-320B-640B-Auto-Datasheet_092016

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