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CY14B512PA

Cypress Semiconductor
Part Number CY14B512PA
Manufacturer Cypress Semiconductor
Description 512-Kbit (64 K x 8) SPI nvSRAM
Published Aug 8, 2011
Detailed Description CY14C512PA CY14B512PA CY14E512PA 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock 512-Kbit (64 K × 8) SPI nvSRAM wit...
Datasheet PDF File CY14B512PA PDF File

CY14B512PA
CY14B512PA

Overview
CY14C512PA CY14B512PA CY14E512PA 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock 512-Kbit (64 K × 8) SPI nvSRAM with Real Time Clock Features 512-Kbit nonvolatile static random access memory (nvSRAM) ❐ Internally organized as 64 K × 8 ❐ STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by using SPI instruction (Software STORE) or HSB pin (Hardware 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 ■ 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 (typical) ■ 40 MHz, and 104 MHz High-speed serial peripheral interface (SPI) ❐ 40 MHz clock rate SPI write and read with zero cycle delay ❐ 104 MHz clock rate SPI write and read (with special fast read instructions) ❐ Supports SPI mode 0 (0,0) and mode 3 (1,1) ■ SPI access to special functions ❐ Nonvolatile STORE/RECALL ❐ 8-byte serial number ❐ Manufacturer ID and Product ID ❐ Sleep mode ■ ■ 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 consumption ❐ Average active current of 3 mA at 40 MHz operation ❐ Average standby mode current of 250 µA ❐ Sleep mode current of 8 µA Industry standard configurations ❐ Operating voltages: • CY14C512PA : VCC = 2.
4 V to 2.
6 V • CY14B512PA : VCC = 2.
7 V to 3.
6 V • CY14E512PA : VCC = 4.
5 V to 5.
5 V ❐ Industrial temperature ❐ 16-pin small outline integrated circuit (SOIC) package ❐ Restriction of hazardous substances (RoHS) compl...


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