Cypress Semiconductor 4Mbit Serial-SPI FRAM Memory 8-Pin DFN, CY15B104Q-LHXI

4-Mbit ferroelectric random access memory (F-RAM) logically
organized as 512 K ´ 8
High-endurance 100 trillion (1014) read/writes
151-year data retention
NoDelay™ writes
Advanced high-reliability ferroelectric process
Very fast serial peripheral interface (SPI)
Up to 40-MHz frequency
Direct hardware replacement for serial flash and EEPROM
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 instruction
Software block protection for 1/4, 1/2, or entire array
Device ID
Manufacturer ID and Product ID
Low power consumption
300 A active current at 1 MHz
100 A (typ) standby current
3 A (typ) sleep mode current
Low-voltage operation: VDD = 2.0 V to 3.6 V
Industrial temperature: –40 °C to +85 °C
Packages
8-pin small outline integrated circuit (SOIC) package
8-pin thin dual flat no leads (TDFN) package

Datasheet