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AM29BDD160GT54D 데이터시트(PDF) 11 Page - Advanced Micro Devices |
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AM29BDD160GT54D 데이터시트(HTML) 11 Page - Advanced Micro Devices |
11 / 80 page Am29BDD160G 9 PIN CONFIGURATION LOGIC SYMBOLS A–1 = Least significant address bit for the 16- bit data bus, and selects between the high and low word. A –1 is not used for the 32-bit mode (WORD# = VIH). A0–A18 = 19-bit address bus for 16 Mb device. A9 supports 12 V autoselect inputs. DQ0–DQ31 = 32-bit data inputs/outputs/float WORD# = Selects 16-bit or 32-bit mode. When WORD# = VIH, data is output on DQ31–DQ0. When WORD# = VIL, data is output on DQ15–DQ0. CE# = Chip Enable Input. This signal is asynchronous relative to CLK for the burst mode. OE# = Output Enable Input. This signal is asynchronous relative to CLK for the burst mode. WE# = Write enable. This signal is asynchronous relative to CLK for the burst mode. VSS = Device ground NC = Pin not connected internally RY/BY# = Ready/Busy output and open drain. When RY/BY# = VIH, the device is ready to accept read operations and commands. When RY/BY# = VOL, the device is either executing an embedded algorithm or the device is executing a hardware reset operation. CLK = Clock Input that can be tied to the system or microprocessor clock provides the fundamental timing and internal operating frequency. ADV# = Load Burst Address input. Indicates that the valid address is present on the address inputs. IND# = End of burst indicator for finite bursts only. IND is low when the last word in the burst sequence is at the data outputs. WAIT# = Provides data valid feedback only when the burst length is set to continuous. WP# = Write Protect input. When WP# = VOL, the two outermost boot block sector in the 75% bank are write protected regardless of other sector protection configurations. ACC = Acceleration input. When taken to 12 V, program and erase operations are accelerated. When not used for acceleration, ACC = VSS to VCC. VIO (VCCQ) = Output Buffer Power Supply (1.65 V to 2.75 V) VCC = Chip Power Supply (2.5 V to 2.75 V) RESET# = Hardware reset input X16 Mode X32 Mode |
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