FM25H20
FM25H20 is 2-Mbit (256 K ?? 8) Serial (SPI) F-RAM manufactured by Cypress.
PRELIMINARY
2-Mbit (256 K × 8) Serial (SPI) F-RAM
Obsolete
2-Mbit (256 K × 8) Serial (SPI) F-RAM
Features
- 2-Mbit ferroelectric random access memory (F-RAM) logically organized as 256 K × 8
- High-endurance 100 trillion (1014) read/writes
- 151-year data retention (See the Data Retention and Endurance table)
- No Delay™ 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
- Low power consumption
- 1 m A active current at 1 MHz
- 80 A (typ) standby current
- 3 A sleep mode current
- Low-voltage operation: VDD = 2.7 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
- Restriction of hazardous substances (Ro HS) pliant
Functional...