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M36W432T85ZA6T Datasheet(PDF) 5 Page - STMicroelectronics |
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M36W432T85ZA6T Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 57 page 5/57 M36W432T, M36W432B SUMMARY DESCRIPTION The M36W432 is a low voltage Multiple Memory Product which combines two memory devices; a 32 Mbit boot block Flash memory and a 4 Mbit SRAM. Recommended operating conditions do not allow both the Flash and the SRAM to be ac- tive at the same time. The memory is offered in a Stacked LFBGA66 (0.8 mm pitch) package and is supplied with all the bits erased (set to ‘1’). Figure 2. Logic Diagram Table 1. Signal Names AI05200 21 A0-A20 EF DQ0-DQ15 VDDF M36W432T M36W432B GF VSSF 16 WF RPF WPF VDDQF E1S E2S GS WS UBS LBS VSSS VPPF VDDS A0-A17 Address Inputs A18-A20 Address Inputs for Flash Chip only DQ0-DQ15 Data Input/Output VDDF Flash Power Supply VDDQF Flash Power Supply for I/O Buffers VPPF Flash Optional Supply Voltage for Fast Program & Erase VSSF Flash Ground VDDS SRAM Power Supply VSSS SRAM Ground NC Not Connected Internally Flash control functions EF Chip Enable input GF Output Enable input WF Write Enable input RPF Reset input WPF Write Protect input SRAM control functions E1S, E2S Chip Enable inputs GS Output Enable input WS Write Enable input UBS Upper Byte Enable input LBS Lower Byte Enable input |
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