- 您現在的位置：買賣IC網 > PDF目錄360984 > IS42S16800A-7T (INTEGRATED SILICON SOLUTION INC) 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM PDF資料下載
參數資料
| 型號： | IS42S16800A-7T |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類： | DRAM |
| 英文描述： | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| 中文描述： | 8M X 16 SYNCHRONOUS DRAM, 5.4 ns, PDSO54 |
| 封裝： | PLASTIC, TSOP2-54 |
| 文件頁數： | 29/66頁 |
| 文件大小： | 556K |
| 代理商： | IS42S16800A-7T |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁當前第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
ADVANCED INFORMATION
Rev. 00A
06/01/02
29
ISSI
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
REGISTER DEFINITION
Mode Register
The mode register is used to define the specific mode of
operation of the SDRAM. This definition includes the
selection of a burst length, a burst type, a CAS\ latency, an
operating mode and a write burst mode, as shown in MODE
REGISTER DEFINITION.
The mode register is programmed via the LOAD MODE
REGISTER command and will retain the stored information
until it is programmed again or the device loses power.
Mode register bits M0-M2 specify the burst length, M3
specifies the type of burst
(sequential or interleaved)
, M4- M6
specify the CAS latency, M7 and M8 specify the operating
mode, M9 specifies the WRITE burst mode, and M10 and
M11 are reserved for future use.
The mode register must be loaded when all banks are idle,
and the controller must wait the specified time before
initiating the subsequent operation. Violating either of these
requirements will result in unspecified operation.
MODE REGISTER DEFINITION
Latency Mode
M6 M5 M4
0
0
0
0
1
1
1
1
CAS Latency
Reserved
Reserved
2
3
Reserved
Reserved
Reserved
Reserved
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1. To ensure compatibility with future devices,
should program M11, M10 = "0, 0"
Write Burst Mode
M9
Mode
Programmed Burst Length
Single Location Access
0
1
Operating Mode
M8 M7
0
— —
M6-M0
Defined
—
Mode
Standard Operation
All Other States Reserved
0
Burst Type
M3
Type
0
1
Sequential
Interleaved
Burst Length
M2 M1 M0
0
0
0
0
1
1
1
1
M3=0
1
2
4
8
Reserved
Reserved
Reserved
Full Page
M3=1
1
2
4
8
Reserved
Reserved
Reserved
Reserved
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Reserved
Address Bus
Mode Register (Mx)
A11 A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
(1)
相關PDF資料 |
PDF描述 |
|---|---|
| IS42S16800A-7TI | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| IS42S16800A-10TI | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| IS42S16800A-10TL | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| IS42S16800A-10TLI | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| IS42S16800A-7TL | 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| IS42S16800A-7TI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
| IS42S16800A-7TL | 制造商:Integrated Silicon Solution Inc 功能描述: |
| IS42S16800A-7TLI | 制造商:Integrated Silicon Solution Inc 功能描述: |
| IS42S16800A-7TL-TR | 制造商:Integrated Silicon Solution Inc 功能描述: |
| IS42S16800A-7T-TR | 制造商:Integrated Silicon Solution Inc 功能描述: |
發布緊急采購，3分鐘左右您將得到回復。