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AT25320T2-10TI Datasheet(PDF) 1 Page - ATMEL Corporation |
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AT25320T2-10TI Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 16 page 1 Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) • Low Voltage and Standard Voltage Operation – 5.0 (V CC = 4.5V to 5.5V) – 2.7 (V CC = 2.7V to 5.5V) – 1.8 (V CC = 1.8V to 3.6V) • 2.1 MHz 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 (5 ms Typical) • High Reliability – Endurance: 1 Million Write Cycles – Data Retention: 100 Years – ESD Protection: >4000V • Automotive Grade and Extended Temperature Devices Available • 8-Pin PDIP, JEDEC SOIC, and 14-Pin and 20-Pin TSSOP Packages Description The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electri- cally 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 SPI Serial EEPROMs 8K (1024 x 8) 16K (2048 x 8) 32K (4096 x 8) 64K (8192 x 8) AT25080 AT25160 AT25320 AT25640 Rev. 0675C–08/98 (continued) Pin Configuration Pin Name Function CS Chip Select SCK Serial Data Clock SI Serial Data Input SO Serial Data Output GND Ground V CC Power Supply WP Write Protect HOLD Suspends Serial Input NC No Connect DC Don’t Connect 8-Pin PDIP 1 2 3 4 8 7 6 5 CS SO WP GND VCC HOLD SCK SI 8-Pin SOIC 1 2 3 4 8 7 6 5 CS SO WP GND VCC HOLD SCK SI 14-Lead TSSOP 1 2 3 4 5 6 7 14 13 12 11 10 9 8 CS SO NC NC NC WP GND VCC HOLD NC NC NC SCK SI 20-Lead TSSOP* 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NC CS SO SO NC NC WP GND DC NC NC VCC HOLD HOLD NC NC SCK SI DC NC *Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility. |
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