1-Mbit nonvolatile static random access memory (nvSRAM)
Internally organized as 128K x 8
STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by user using HSB pin (Hardware STORE) or SPI instruction (Software 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 (except for CY14B101Q1)
High reliability
Infinite read, write, and RECALL cycles
1 million STORE cycles to QuantumTrap
Data retention: 20 years
High speed serial peripheral interface (SPI)
40 MHz clock rate
Supports SPI mode 0 (0, 0) and mode 3 (1, 1)
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
Single 3 V +20%, –10% operation
Average active current of 10 mA at 40 MHz operation
Industry standard configurations
Industrial temperature
CY14B101Q1 has identical pin configuration to industry standard 8-pin NV memory
8-pin dual flat no-lead (DFN) package and 16-pin small outline integrated circuit (SOIC) package

Non-Volatile RAM (NVRAM)

NVRAMs are modules containing a CMOS static RAM and a non-rechargeable Lithium battery to maintain the data when the power supply is removed. Some devices in the range also incorporate a real-time clock (RTC).