M2V28S20ATP View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
Manufacturer
M2V28S20ATP Datasheet PDF : 51 Pages
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SDRAM (Rev. 1.0E)
Nov. '99
MITSUBISHI LSIs
128M Synchronous DRAM
M2V28S20ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 8,388,608-WORD x 4-BIT)
M2V28S30ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 4,194,304-WORD x 8-BIT)
M2V28S40ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 2,097,152-WORD x 16-BIT)
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
Command Action
WRITE
H X X XX
RECOVERING
L H H HX
DESEL NOP
NOP NOP
L H H L BA
TBST ILLEGAL*2
READ /
L H L X BA, CA, A10
ILLEGAL*2
WRITE
L L H H BA, RA
ACT ILLEGAL*2
L L H L BA, A10
PRE / ILLEGAL*2
PREA
L L L HX
L
L
L
L Op-Code,
Mode-Add
REFA ILLEGAL
MRS ILLEGAL
REFRESHING H X X X X
DESEL NOP (Idle after tRC)
L H H HX
NOP NOP (Idle after tRC)
L H H L BA
TBST ILLEGAL
READ /
L H L X BA, CA, A10
ILLEGAL
WRITE
L L H H BA, RA
ACT ILLEGAL
L L H L BA, A10
PRE /
PREA
ILLEGAL
L L L HX
Op-Code,
L L LL
Mode-Add
REFA ILLEGAL
MRS ILLEGAL
MITSUBISHI ELECTRIC
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