Memory Products
  • Serial EERAM
  • Serial SRAM
  • Serial Flash
  • Parallel Flash
  • Parallel EEPROM
  • OTP EPROM
Memory Product Comparison
  Serial
EEPROM

Parallel
EEPROM

OTP
EPROM

Serial
Flash

Parallel
Flash

Serial
SRAM

Serial
NVSRAM
Serial
EERAM

Clock Frequency 0.4 - 20 MHz 70 ns 45 ns 20 - 104 MHz 45 - 70 ns 16 - 20 MHz 16 - 20 MHz 1 MHz
Cost/Bit High High High Low Low Medium Medium Low
Read Times Medium Fast Fast Medium Fast Medium Medium Medium
Write Times Medium Fast NA Medium Fast Instantaneous Instantaneous Instantaneous
Pin Count 8 pins 28 and 32 pins 28+ pins 8 pins 32 and 48 pins 8 pins 8 pins 8 pins
Data Retention 200+ Years 10
Years
10
Years
100+ Years 100+ Years Volatile 20+ Years (with battery) 200+ Years
Typ. Standby Current 1 µA 200 µA 100 µA ~15 µA ~30 µA ~4 µA ~4 µA ~40 µA
Voltage 1.7 V - 5.5V 2.7V, 5V 2.7V, 5V 1.65V - 1.95V, 2.7V - 3.6V, 2.3V - 3.6V 1.65V - 1.95V, 2.7V - 3.6V, 4.5V - 5.5V 1.65V - 1.95V, 2.5V - 5.5V 2.5V - 5.5V 2.7V - 3.6V, 4.5V - 5.5V
Temperature -40°C to +125°C -55°C to +125°C -55°C to +125°C -40°C to +105°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C