M5M4V64S20ATP-10L データシートの表示（PDF） - MITSUBISHI ELECTRIC
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M5M4V64S20ATP-10L Datasheet PDF : 51 Pages
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SDRAM (Rev.1.3)
Mar98
MITSUBISHI LSIs
M5M4V64S20ATP-8A,-8L,-8, -10L, -10
64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM
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
TBST
NOP (Continue Burst to END)
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
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