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CY14ME256J

Cypress
Part Number CY14ME256J
Manufacturer Cypress
Description 256-Kbit (32 K × 8) Serial (I2C) nvSRAM
Published Jan 19, 2020
Detailed Description CY14MC256J CY14MB256J CY14ME256J 256-Kbit (32 K × 8) Serial (I2C) nvSRAM 256-Kbit (32 K × 8) Serial (I2C) nvSRAM Featur...
Datasheet PDF File CY14ME256J PDF File

CY14ME256J
CY14ME256J

Overview
CY14MC256J CY14MB256J CY14ME256J 256-Kbit (32 K × 8) Serial (I2C) nvSRAM 256-Kbit (32 K × 8) Serial (I2C) nvSRAM 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 RECALL) to or SRAM initiated on power-up (Power-Up by I2C command (Software RECALL) ❐ Automatic STORE on power-down with a small capacitor (except for CY14MX256J1) ■ High reliability ❐ Infinite read, write, and RECALL cycles ❐ 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 C ■ High speed I2C interface[1] ❐ Industry standard 100 kHz and 400 kHz speed ❐ Fast-mode Plus: 1 MHz speed ❐ High speed: 3.
4 MHz ❐ Zero cycle delay reads and writes ■ Write protection ❐ Hardware protection using Write Protect (WP) pin ❐ Software block protection for one quarter, half, or entire arra...


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