The TH50VSF3582/3583AASB is a mixed multi-chip package containing a 8,388,608-bit Full CMOS SRAM and a 33,554,432-bit flash memory. The CIOS and CIOF inputs can be used to select the optimal memory configuration. The power supply. FLASH MEMORY a Simultaneous Read/Write operation so that data can be read during a Write or Erase operation. The TH50VSF3582/3583AASB can range from 2.67 V to 3.3 V. The TH50VSF3582/3583AASB is available in a 69-pin BGA package, making it suitable for a variety of design applications.