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MFG:ATMEL  Package Cooled:TSSOP8/PDIP8/SOIC8  D/C:08+  

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Part Number: AT25128A

 

MFG: ATMEL

Package Cooled: TSSOP8/PDIP8/SOIC8

D/C: 08+

Description: The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable programmable read only...


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AT25128A General Description


The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable programmable read only memory (EEPROM) organized as 16,384/32,768 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 devices are available in space saving 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and 8-lead SAP packages. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.

The AT25128A/256A 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.

AT25128A 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 or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

AT25128A Features

• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
• Data Sheet Describes Mode 0 Operation
• Low-voltage and Standard-voltage Operation
2.7 (VCC = 2.7V to 5.5V)
1.8 (VCC = 1.8V to 5.5V)
• 20 MHz Clock Rate (5V)
• 64-byte Page Mode and Byte Write Operation
• 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 Max)
• High-reliability
Endurance: 1 Million Write Cycles
Data Retention: >100 Years
• Automotive Grade, Extended Temperature and Lead-free/Halogen-free Devices Available
• 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and 8-lead SAP Packages
• Die Sales: Wafer Form, Waffle Pack, and Bumped Die

AT25128A Connection Diagram

AT25128A  Connection Diagram

AT25128A datasheet

AT25128A
PDF/DataSheet Download

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