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CY14C256I

Cypress Semiconductor
Part Number CY14C256I
Manufacturer Cypress Semiconductor
Description 256-Kbit (32 K x 8) Serial (I2C) nvSRAM
Published Aug 8, 2011
Detailed Description 256-Kbit (32 K × 8) Serial (I C) nvSRAM with Real Time Clock 256-Kbit (32 K × 8) Serial (I2C) nvSRAM with Real Time Cloc...
Datasheet PDF File CY14C256I PDF File

CY14C256I
CY14C256I

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 2 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 RECALL cycles 1 million STORE cycles to QuantumTrap ❐ Data retention: 20 years at 85 °C ■ Real Time Clock (RTC) ❐ Full-featured RTC ❐ Watchdog timer ❐ Clock alarm with programmable interrupts ❐ Backup power fail indication ❐ Square wave output with programmable frequency (1 Hz, 512 Hz, 4096 Hz, 32.
768 kHz) ❐ Capacitor or battery backup for RTC ❐ Backup current of 0.
45 µA...


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