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AT25010

ATMEL Corporation
Part Number AT25010
Manufacturer ATMEL Corporation
Description SPI Serial EEPROMs
Published Mar 24, 2005
Detailed Description Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) • Low-voltage and Stand...
Datasheet PDF File AT25010 PDF File

AT25010
AT25010

Overview
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) • 3.
0 MHz Clock Rate (5V) • 8-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 (10 ms max) • High Reliability – Endurance: One Million Write Cycles – Data Retention: 100 Years • Automotive Grade Devices Available • 8-lead PDIP and 8-lead JEDEC SOIC Packages Description The AT25010/020/040 provides 1024/2048/4096 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 128/256/512 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 AT25010/020/040 is available in space saving 8-lead PDIP and 8-lead JEDEC SOIC packages.
The AT25010/020/040 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.
The HOLD pin may be used to suspend any serial communication without resetting the serial sequence.
Pin Configurations Pin Name CS SCK Function Chip Select Serial Data Clock SI SO GND VCC Serial Data Input Serial Data Output Ground Power Supply WP HOLD Write Protect Suspends Serial Input 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 ...


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