參數(shù)資料
型號: M2S56D30AKT-75AL
廠商: Mitsubishi Electric Corporation
英文描述: 256M Double Data Rate Synchronous DRAM
中文描述: 256M雙數(shù)據(jù)速率同步DRAM
文件頁數(shù): 10/40頁
文件大小: 768K
代理商: M2S56D30AKT-75AL
10
MITSUBISHI ELECTRIC
Mar. '02
MITSUBISHI LSIs
DDR SDRAM
(Rev.1.44)
M2S56D20/ 30/ 40ATP -75AL, -75A, -75L, -75, -10L, -10
M2S56D20/ 30/ 40AKT -75AL, -75A, -75L, -75, -10L, -10
256M Double Data Rate Synchronous DRAM
FUNCTION TRUTH TABLE (continued)
Current State /CS /RAS /CAS /WE Address
H
X
L
H
L
H
Disabled)
Command
DESEL
NOP
TERM
Action
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
Terminate Burst, Latch CA, Begin
Read, Determine Auto-Precharge
Terminate Burst, Latch CA, Begin
Write, Determine Auto-Precharge
Bank Active / ILLEGAL
Terminate Burst, Precharge
ILLEGAL
Notes
X
H
H
X
H
L
X
X
BA
L
H
L
H
BA, CA, A10
READ / READA
3
L
H
L
L
BA, CA, A10
WRITE / WRITEA
3
L
L
L
L
L
L
H
H
L
H
L
H
BA, RA
BA, A10
X
Op-Code,
Mode-Add
X
X
BA
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
X
X
BA
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
ACT
PRE / PREA
REFA
2
L
L
L
L
MRS
ILLEGAL
H
L
L
L
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
L
L
H
H
L
X
H
L
H
L
H
L
H
DESEL
NOP
TERM
READ / READA
WRITE / WRITEA
ACT
PRE / PREA
REFA
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
ILLEGAL for Same Bank
ILLEGAL for Same Bank
Bank Active / ILLEGAL
Precharge / ILLEGAL
ILLEGAL
6
6
2
2
L
L
L
L
MRS
ILLEGAL
H
L
L
L
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
L
L
H
H
L
X
H
L
H
L
H
L
H
DESEL
NOP
TERM
READ / READA
WRITE / WRITEA
ACT
PRE / PREA
REFA
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
ILLEGAL for Same Bank
ILLEGAL for Same Bank
Bank Active / ILLEGAL
Precharge / ILLEGAL
ILLEGAL
7
7
2
2
L
L
L
L
MRS
ILLEGAL
WRITE(Auto-
Precharge
READ with
Auto-
Precharge
WRITE with
Auto-
Precharge
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