http://www.futureelectronics.com/en/campaign/cypress/Pages/index.aspx . Cypress’s Power Snooze SRAM is the ideal memory solution for today’s industrial applications and IoT systems. It is the only asynchronous SRAM available in the world today that can operate at access speeds of 10 ns (100 MHz), while drawing sleep currents of 2 uA / Mbit, thereby solving the speed-power conundrum all systems face. https://youtu.be/LrTtFq8q_Jk
