DESCRIPTION

· NV25128 and NV25256 are EEPROM Serial 128/256 kb SPI Automotive Grade 0 devices.
· Internally organized as 16K/32Kx8 bits.
· Features a 64-byte page write buffer and supports SPI protocol.
· Enabled through Chip Select (CS) input.
· Includes clock input (SCK), data input (SI), and data output (SO) lines.
· HOLD input pauses serial communication.
· Offers software and hardware write protection.
· Byte-Level On-Chip ECC for high reliability.
· Additional Identification Page with permanent write protection.

FEATURES

· Automotive AEC-Q100 Grade 0 qualified (-40°C to +150°C).
· Supply voltage range: 2.5 V to 5.5 V.
· 10 MHz SPI compatible.
· SPI Modes (0,0) & (1,1).
· 64-byte Page Write Buffer.
· Self-timed Write Cycle.
· Hardware and Software Protection.
· Block Write Protection: Protect 1/4, 1/2, or entire EEPROM array.
· Low Power CMOS Technology.
· Program/Erase Cycles: 4,000,000 at 25°C, 1,200,000 at +85°C, 600,000 at +125°C, 300,000 at +150°C.
· 200 Year Data Retention.
· SOIC, TSSOP 8-lead Packages.
· Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.

APPLICATIONS

· Automotive applications requiring site and change control.
· High reliability applications with Byte-Level On-Chip ECC.
· Systems needing hardware and software write protection.
· Applications requiring permanent write protection for identification pages.