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CY14B256Q2

Cypress Semiconductor
Part Number CY14B256Q2
Manufacturer Cypress Semiconductor
Description 256-Kbit (32 K X 8) Serial (SPI) nvSRAM
Published Mar 30, 2011
Detailed Description CY14B256Q1 CY14B256Q2 CY14B256Q3 256-Kbit (32 K × 8) Serial (SPI) nvSRAM 256-Kbit (32 K × 8) Serial (SPI) nvSRAM Featu...
Datasheet PDF File CY14B256Q2 PDF File

CY14B256Q2
CY14B256Q2


Overview
CY14B256Q1 CY14B256Q2 CY14B256Q3 256-Kbit (32 K × 8) Serial (SPI) nvSRAM 256-Kbit (32 K × 8) Serial (SPI) 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 user using HSB pin (Hardware STORE) or SPI instruction (Software STORE) ❐ RECALL to SRAM initiated on power-up (Power-Up RECALL) or by SPI instruction (Software RECALL) ❐ Automatic STORE on power-down with a small capacitor (except for CY14B256Q1) High reliability ❐ Infinite read, write, and RECALL cycles ❐ 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years High-speed serial peripheral interface (SPI) ❐ 40-MHz clock rate ❐ Supports SPI mode 0 (0,0) and mode 3 (1,1) Write protection ❐ Hardware protection using Write Protect (WP) pin ❐ Software protection using Write Disable instruction ❐ Software block protection for 1/4,1/2, or entire array Low power cons...



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