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Features

? 4-Mbit ferroelectric random access memory (EXCELON? LP F-RAM) logically organized as 512K × 8

- Virtually unlimited endurance 1000 trillion (1015) read/writes

- 151-year data retention (See “Data retention and endurance” on page 26)

- Infineon instant non-volatile write technology

- Advanced high-reliability ferroelectric process

? Fast serial peripheral interface (SPI)

- Up to 20MHz frequency

- Supports SPI mode 0 (0, 0) and mode 3 (1, 1)

? Sophisticated write protection scheme

- Hardware protection using the write protect (WP) pin

- Software protection using write disable (WRDI) instruction

- Software block protection for 1/4, 1/2, or entire array

? Device ID and serial number

- Manufacturer ID and product ID

- Unique device ID

- Serial number

? Dedicated 256-byte special sector EXCELON? LP F-RAM

- Dedicated special sector write and read

- Stored content can survive up to three standard reflow soldering cycles

? Low-power consumption

- 1.2 mA (typ) active current at 20 MHz

- 2.3 μA (typ) standby current

- 0.70 μA (typ) deep power down mode current

- 0.1 μA (typ) hibernate mode current

- 1.5 mA (typ) inrush current during power up

? Low-voltage operation

- CY15V104QI: VDD = 1.71 V to 1.89 V

- CY15B104QI: VDD = 1.8 V to 3.6 V

? Commercial and industrial operating temperature

- Commercial operating temperature: 0°C to +70°C

- Industrial operating temperature: –40°C to +85°C

? Packages

- 8-pin grid-array quad flat no-lead (GQFN) package (NRND)[1]

- 8-pin ultra-thin fine-pitch land grid array (UFLGA) package

? Restriction of hazardous substances (RoHS) compliant