M2V28S20TP View Datasheet(PDF) - Mitsumi
Part Name
Description
Manufacturer
M2V28S20TP Datasheet PDF : 52 Pages
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SDRAM (Rev. 1.0E)
Jun. '99
MITSUBISHI LSIs
M2V28S20TP-6,-7,-8
M2V28S30TP-6,-7,-7L,-8,-8L
M2V28S40TP-7,-7L,-8,-8L
128M Synchronous DRAM
(4-BANK x 8,388,608-WORD x 4-BIT)
(4-BANK x 4,194,304-WORD x 8-BIT)
(4-BANK x 2,097,152-WORD x 16-BIT)
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
Command Action
READ
H X X XX
DESEL NOP (Continue Burst to END)
WRITE
L H H HX
NOP NOP (Continue Burst to END)
L H H L BA
TBST Terminate Burst
READ Terminate Burst, Latch CA, Begin New
L H L H BA, CA, A10
/READA Read, Determine Auto-Precharge*3
WRITE / Terminate Burst, Latch CA, Begin
L
HL
L BA, CA, A10 WRITEA Write, Determine Auto-Precharge*3
L
L H H BA, RA
ACT Bank Active / ILLEGAL*2
L
L H L BA, A10
PRE /
Terminate Burst, Precharge
PREA
L
L
L
HX
REFA ILLEGAL
Op-Code,
L
L
L
L
Mode-Add
MRS ILLEGAL
H X X XX
DESEL NOP (Continue Burst to END)
L H H HX
NOP NOP (Continue Burst to END)
L H H L BA
TBST Terminate Burst
READ / Terminate Burst, Latch CA, Begin
L H L H BA, CA, A10
READA Read, Determine Auto-Precharge*3
L
HL
L BA, CA, A10 WRITE / Terminate Burst, Latch CA,Begin
WRITEA Write, Determine Auto-Precharge*3
L
L H H BA, RA
ACT Bank Active / ILLEGAL*2
L
L H L BA, A10
PRE / Terminate Burst, Precharge
PREA
L
L
L
HX
REFA ILLEGAL
L
L
L
L Op-Code,
Mode-Add
MRS ILLEGAL
MITSUBISHI ELECTRIC
9
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