The TH50VSF2580/2581AASB is a mixed multi-chip package containing a 4,194,304-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 for the TH50VSF2580/2581AASB can range from 2.7 V to 3.6 V. The TH50VSF2580/2581AASB can perform simultaneous read/write operations on its flash memory and is available in a 69-pin BGA package, making it suitable for a variety of applications.