2x 64mbit (x8/ X16, Multiple Bank, Boot Block) Flash Memory And 32mbit Pseudo Sram, 3v Supply, Multiple Memory Product

The Flash Memory M74DW66500B and PSRAM components have a common power supply. The components are dis- tinguished by four chip enable inputs: EF1 for one Flash memory, EF2 for the other, and E1S and E2S for the PSRAM. Recommended operating conditions do not allow more than one of the Flash Memory or PSRAM component to be in active mode at the same time. The most common example is simultaneous read operations on the Flash Memory and PSRAM components which would result in a data bus con- tention. Therefore it is recommended to put two of the components in the high impedance state when reading from the third (see Table 2 Main Operation Modes for details). By STMicroelectronics
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M74DW66500B Pinout, Pinouts
M74DW66500B pinout,Pin out
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