M5M4V64S20ATP-10L Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
Número de pieza
componentes Descripción
Lista de partido
M5M4V64S20ATP-10L Datasheet PDF : 51 Pages
| |||
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
Current State /CS /RAS /CAS /WE Address
IDLE
H
X
X
XX
L
H
H
HX
L
H
H
L BA
L
H
L
X 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
ROW ACTIVE H
X
X
XX
L
H
H
HX
L
H
H
L BA
L
H
L
H BA, CA, A10
READ
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
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
Command
Action
DESEL NOP
NOP
NOP
TBST
ILLEGAL*2
READ / WRITE ILLEGAL*2
ACT
Bank Active, Latch RA
PRE / PREA NOP*4
REFA
Auto-Refresh*5
MRS
Mode Register Set*5
DESEL NOP
NOP
NOP
TBST
NOP
Begin Read, Latch CA,
READ / READA
Determine Auto-Precharge
WRITE /
WRITEA
Begin Write, Latch CA,
Determine Auto-Precharge
ACT
Bank Active / ILLEGAL*2
PRE / PREA Precharge / Precharge All
REFA
ILLEGAL
MRS
ILLEGAL
DESEL NOP (Continue Burst to END)
NOP
NOP (Continue Burst to END)
TBST
Terminate Burst
Terminate Burst, Latch CA,
READ / READA Begin New 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
MITSUBISHI ELECTRIC
6
Share Link: 