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IS42VM32400H Datasheet(PDF) 3 Page - Integrated Silicon Solution, Inc |
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IS42VM32400H Datasheet(HTML) 3 Page - Integrated Silicon Solution, Inc |
3 / 33 page 3 IS42/45SM/RM/VM32400H Advanced Information Rev. 00A | Nov. 2014 www.issi.com - DRAM@issi.com Table2: Pin Descriptions Pin Pin Name Descriptions CLK System Clock The system clock input. All other inputs are registered to the SDRAM on the rising edge CLK. CKE Clock Enable Controls internal clock signal and when deactivated, the SDRAM will be one of the states among power down, suspend or self refresh. /CS Chip Select Enable or disable all inputs except CLK, CKE and DQM. BA0~BA1 Bank Address Selects bank to be activated during RAS activity. Selects bank to be read/written during CAS activity. A0~A11 Address Row Address : RA0~RA11 Column Address : CA0~CA7 Auto Precharge : A10 /RAS, /CAS, /WE Row Address Strobe, Column Address Strobe, Write Enable RAS, CAS and WE define the operation. Refer function truth table for details. DQM0~DQM3 Data Input/Output Mask Controls output buffers in read mode and masks input data in write mode. DQ0~DQ31 Data Input/Output Data input/output pin. VDD/VSS Power Supply/Ground Power supply for internal circuits and input buffers. VDDQ/VSSQ Data Output Power/Ground Power supply for output buffers. NC No Connection No connection. |
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