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AT25160 Dataheets PDF



Part Number AT25160
Manufacturers ATMEL Corporation
Logo ATMEL Corporation
Description SPI Serial EEPROMs
Datasheet AT25160 DatasheetAT25160 Datasheet (PDF)

Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 5.5V) • 3.0 MHz Clock Rate (5V) • 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 (5 ms Typical) • High-reliability – Endurance: One Million Write Cycl.

  AT25160   AT25160



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Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 5.5V) • 3.0 MHz Clock Rate (5V) • 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 (5 ms Typical) • High-reliability – Endurance: One Million Write Cycles – Data Retention: 100 Years • Automotive Grade Devices Available • 8-lead PDIP, 8-lead JEDEC SOIC and 14-lead TSSOP Packages Description The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electrically-erasable programmable read only memory (EEPROM) organized as 1024/2048/4096/8192 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. The AT25080/160/320/640 is available in space saving 8-lead PDIP, 8lead JEDEC SOIC and 14-lead TSSOP packages. The AT25080/160/320/640 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. SPI Serial EEPROMs 8K (1024 x 8) 16K (2048 x 8) 32K (4096 x 8) 64K (8192 x 8) AT25080 AT25160 AT25320 AT25640 Pin Configuration Pin Name CS Function Chip Select SCK SI SO Serial Data Clock Serial Data Input Serial Data Output GND VCC WP HOLD Ground Power Supply Write Protect Suspends Serial Input NC No Connect DC Don’t Connect 8-lead PDIP CS SO WP GND 1 2 3 4 8 VCC 7 HOLD 6 SCK 5 SI 8-lead SOIC CS SO WP GND 1 2 3 4 8 VCC 7 HOLD 6 SCK 5 SI 14-lead TSSOP CS SO NC NC NC WP GND 1 2 3 4 5 6 7 14 VCC 13 HOLD 12 NC 11 NC 10 NC 9 SCK 8 SI 0675M–SEEPR–9/03 1 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. Absolute Maximum Ratings* Operating Temperature.................................. -55°C to +125°C Storage Temperature ..................................... -65°C to +150°C Voltage on Any Pin with Respect to Ground .....................................-1.0V to +7.0V Maximum Operating Voltage .......................................... 6.25V DC Output Current........................................................ 5.0 mA *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these.


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