M2V64S20BTP 查看數據表（PDF） - MITSUBISHI ELECTRIC
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M2V64S20BTP Datasheet PDF : 52 Pages
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SDRAM (Rev.1.2)
Apr. '99
64M bit Synchronous DRAM
MITSUBISHI LSIs
M2V64S20BTP-7,-7L,-8,-8L,-8A,-10,-10L (4-BANK x 4194304-WORD x 4-BIT)
M2V64S30BTP-7,-7L,-8,-8L,-8A,-10,-10L (4-BANK x 2097152-WORD x 8-BIT)
M2V64S40BTP-7,-7L,-8,-8L,-8A,-10,-10L (4-BANK x 1048576-WORD x 16-BIT)
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
WRITE
H
X
X
XX
L
H
H
HX
L
H
H
L BA
L
H
L
H BA, CA, A10
L
H
L
L BA, CA, A10
L
L
H
H BA, RA
L
L
H
L BA, A10
L
L
L
HX
Op-Code,
L
L
L
L
Mode-Add
READ with
H
X
X
XX
AUTO
L
H
H
HX
PRECHARGE L
H
H
L BA
L
H
L
H BA, CA, A10
L
H
L
L BA, CA, A10
L
L
H
H BA, RA
L
L
H
L BA, A10
L
L
L
HX
Op-Code,
L
L
L
L
Mode-Add
WRITE with
H
X
X
XX
AUTO
L
H
H
HX
PRECHARGE L
H
H
L BA
L
H
L
H BA, CA, A10
L
H
L
L BA, CA, A10
L
L
H
H BA, RA
L
L
H
L BA, A10
L
L
L
HX
L
L
L
L Op-Code,
Mode-Add
Command
Action
DESEL
NOP (Continue Burst to END)
NOP
NOP (Continue Burst to END)
TBST
Terminate Burst
Terminate Burst, Latch CA,
READ / READA Begin Read, Determine Auto-
Precharge*3
WRITE /
WRITEA
Terminate Burst, Latch CA,
Begin Write, Determine Auto-
Precharge*3
ACT
Bank Active / ILLEGAL*2
PRE / PREA Terminate Burst, Precharge
REFA
ILLEGAL
MRS
ILLEGAL
DESEL
NOP (Continue Burst to END)
NOP
NOP (Continue Burst to END)
TBST
ILLEGAL
READ / READA ILLEGAL
WRITE /
WRITEA
ILLEGAL
ACT
Bank Active / ILLEGAL*2
PRE / PREA ILLEGAL*2
REFA
ILLEGAL
MRS
ILLEGAL
DESEL
NOP (Continue Burst to END)
NOP
NOP (Continue Burst to END)
TBST
ILLEGAL
READ / READA ILLEGAL
WRITE /
WRITEA
ILLEGAL
ACT
Bank Active / ILLEGAL*2
PRE / PREA ILLEGAL*2
REFA
ILLEGAL
MRS
ILLEGAL
MITSUBISHI ELECTRIC
8
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