M2V64S20DTP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
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M2V64S20DTP Datasheet PDF : 51 Pages
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MITSUBISHI LSIs
SDRAM (Rev.3.2)
Feb.'00
M2V64S20DTP-6,-6L,-7,-7L,-8,-8L (4-BANK x 4,194,304-WORD x 4-BIT)
M2V64S30DTP-6,-6L,-7,-7L,-8,-8L (4-BANK x 2,097,152-WORD x 8-BIT)
M2V64S40DTP-6,-6L,-7,-7L,-8,-8L (4-BANK x 1,048,576-WORD x 16-BIT)
64M Synchronous DRAM
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
Command Action
PRE -
H X X XX
CHARGING
L H H HX
DESEL NOP (Idle after tRP)
NOP NOP (Idle after tRP)
L H H LX
TBST ILLEGAL*2
READ &
L
H
L
X BA, CA, A10 WRITE ILLEGAL*2
L L H H BA, RA
ACT ILLEGAL*2
L L H L BA, A10
PRE &
NOP*4 (Idle after tRP)
PREA
L L L HX
Op-Code,
LL LL
Mode-Add
REFA ILLEGAL
MRS ILLEGAL
ROW
H X X XX
ACTIVATING
L H H HX
DESEL NOP (Row Active after tRCD)
NOP NOP (Row Active after tRCD)
L H H LX
TBST ILLEGAL*2
READ &
L H L X BA, CA, A10
ILLEGAL*2
WRIT E
L L H H BA, RA
ACT ILLEGAL*2
L L H L BA, A10
PRE &
PREA ILLEGAL*2
L L L HX
Op-Code,
L
L
L
L Mode-Add
REFA ILLEGAL
MRS ILLEGAL
MITSUBISHI ELECTRIC
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