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CY14E256I Datasheet 256-Kbit (32 K x 8) Serial (I2C) nvSRAM

Manufacturer: Cypress (now Infineon)

Download the CY14E256I datasheet PDF. This datasheet also includes the CY14B256I variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CY14B256I_CypressSemiconductor.pdf) that lists specifications for multiple related part numbers.

Overview

256-Kbit (32 K × 8) Serial (I C) nvSRAM with Real Time Clock 256-Kbit (32 K × 8) Serial (I2C) nvSRAM with Real Time Clock CY14C256I CY14B256I, CY14E256I.

Key Features

  • 256-Kbit nonvolatile static random access memory (nvSRAM).
  • Internally organized as 32 K × 8.
  • STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using I2C command (Software STORE) or HSB pin (Hardware STORE).
  • RECALL to SRAM initiated on power-up (Power-Up RECALL) or by I2C command (Software RECALL).
  • Automatic STORE on power-down with a small capacitor.
  • High reliability.
  • Infinite read, write, and REC.

More Datasheets from Cypress (now Infineon)

Part Number Description
CY14E256L 256-Kbit (32K x 8) nvSRAM
CY14E256LA 256-Kbit nvSRAM
CY14E256Q 256-Kbit (32 K x 8) SPI nvSRAM
CY14E064I 64-Kbit (8 K x 8) Serial (I2C) nvSRAM
CY14E064L 64 Kbit (8K x 8) nvSRAM
CY14E064PA 64-Kbit (8 K x 8) SPI nvSRAM
CY14E101I 1-Mbit (128 K x 8) Serial (I2C) nvSRAM
CY14E101J 1-Mbit (128 K X 8) Serial (I2C) nvSRAM
CY14E101PA 1-Mbit (128K x 8) Serial (SPI) nvSRAM
CY14E116L 16-Mbit (2048 K x 8/1024 K x 16/512 K x 32) nvSRAM