參數(shù)資料
型號(hào)： IS42S83200A
廠商： Integrated Silicon Solution, Inc.
英文描述： 256 Mb Synchronous DRAM
中文描述： 256 MB的同步DRAM
文件頁(yè)數(shù)： 10/49頁(yè)
文件大?。?/td> 603K
代理商： IS42S83200A
10
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. D
11/01/05
ISSI
IS42S83200A
(4-bank x 8,388,608 - word x 8-bit)
IS42S16160A
(4-bank x 4,194,304 - word x 16-bit)
FUNCTION TRUTH TABLE (continued)
Current State
/CS
/RAS /CAS
/WE
Address
Command
Action
RE-
FRESHING
H
X
X
X
X
DESEL
NOP (Idle after tRC)
L
H
H
H
X
NOP
NOP (Idle after tRC)
L
H
H
L
X
TBST
ILLEGAL
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL
L
L
H
H
BA, RA
ACT
ILLEGAL
L
L
H
L
BA, A10
PRE / PREA
ILLEGAL
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
MODE
REGISTER
SETTING
H
X
X
X
X
DESEL
NOP (Idle after tRSC)
L
H
H
H
X
NOP
NOP (Idle after tRSC)
L
H
H
L
X
TBST
ILLEGAL
L
H
L
X
BA, CA, A10
READ / WRITE ILLEGAL
L
L
H
H
BA, RA
ACT
ILLEGAL
L
L
H
L
BA, A10
PRE / PREA
ILLEGAL
L
L
L
H
X
REFA
ILLEGAL
L
L
L
L
Op-Code,
Mode-Add
MRS
ILLEGAL
ABBREVIATIONS:
H=High Level, L=Low Level, X=Don't Care