Product Summary

The AT25256B-XHL-T 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 AT25256B-XHL-T is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. The dAT25256B-XHL-T is available in space saving 8-lead SOIC, 8-lead TSSOP, 8-ball VFBGA and 8-lead UDFN packages. The AT25256B-XHL-T 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) .

Parametrics

AT25256B-XHL-T absolute maximum ratings: (1) Operating Temperature: -55°C to +125°C; (2) Storage Temperature:–65°C to + 150°C; (3) Voltage on Any Pin with Respect to Ground:–1.0 V +7.0V; (4) Maximum Operating Voltage: 6.25V; (5) DC Output Current: 5.0mA.

Features

AT25256B-XHL-T features: (1) Serial Peripheral Interface (SPI) Compatible; (2) Supports SPI Modes 0 (0,0) and 3 (1,1) ; (3) Data Sheet Describes Mode 0 Operation; (4) Low-voltage and Standard-voltage Operation: 1.8 (VCC=1.8V to 5.5V) ; (5) 20MHz Clock Rate (5V) ; (6) 64-byte Page Mode and Byte Write Operation; (7) Block Write Protection: Protect 1/4, 1/2, or Entire Array; (8) Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data Protection; (9) Self-timed Write Cycle (5 ms Max) ; (10) High-reliability Endurance: 1 Million Write Cycles and Data Retention: >100 Years ; (11) Green (Pb/Halide-free/RoHS Compliant) Packaging Options; (12) Die Sales: Wafer Form, Waffle Pack, and Bumped Die.

Diagrams

AT25256B-XHL-T Block Diagram

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