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MBM29F400BC-55 Datasheet(PDF) 8 Page - SPANSION |
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MBM29F400BC-55 Datasheet(HTML) 8 Page - SPANSION |
8 / 48 page MBM29F400TC-55/-70-90/MBM29F400BC-55/-70-90 7 s s s s DEVICE BUS OPERATION MBM29F400TC/BC User Bus Operation (BYTE = VIH) Legend: L = VIL, H = VIH, X = VIL or VIH, = Pulse input. See s DC CHARACTERISTICS for voltage levels. *1 : Manufacturer and device codes may also be accessed via a command register write sequence. Refer to “MBM29F400TC/BC Command Definitions” in sDEVICE BUS OPERATION. *2 : Refer to the section on Sector Protection. *3 : WE can be VIL if OE is VIL, OE at VIH initiates the write operations. MBM29F400TC/BC User Bus Operation (BYTE = VIL) Legend: L = VIL, H = VIH, X = VIL or VIH, = Pulse input. See s DC CHARACTERISTICS for voltage levels. *1 : Manufacturer and device codes may also be accessed via a command register write sequence. Refer to “MBM29F400TC/BC Command Definitions” in sDEVICE BUS OPERATION. *2 : Refer to the section on Sector Protection. *3 : WE can be VIL if OE is VIL, OE at VIH initiates the write operations. Operation CE OE WE A0 A1 A6 A9 DQ15 to DQ0 RESET Auto-Select Manufacturer Code*1 LL H LLL VID Code H Auto-Select Device Code *1 LL H H LL VID Code H Read*3 LL H A0 A1 A6 A9 DOUT H Standby H XXXXXX High-Z H Output Disable L H H X X X X High-Z H Write L H L A0 A1 A6 A9 DIN H Enable Sector Protection*2 LVID XX L VID XH Verify Sector Protection*2 L L HLHL VID Code H Temporary Sector Unprotection XXXXXXX X VID Reset (Hardware)/Standby XXXXXXX High-Z L Operation CE OE WE DQ15 /A-1 A0 A1 A6 A9 DQ7 to DQ0 RESET Auto-Select Manufacturer Code*1 LL H LLLL VID Code H Auto-Select Device Code*1 L L HLHL L VID Code H Read*3 LL H A-1 A0 A1 A6 A9 DOUT H Standby H XXXXXXX High-Z H Output Disable L H H XXXXX High-Z H Write L H L A-1 A0 A1 A6 A9 DIN H Enable Sector Protection*2 LVID LX XL VID XH Verify Sector Protection*2 LL H L L H L VID Code H Temporary Sector Unprotection XXXXXXXX X VID Reset (Hardware)/Standby XXXXXXXX High-Z L |
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