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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： | 56/66頁 |
| 文件大小： | 556K |
| 代理商： | IS42S16800A-7T |
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ISSI
56
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
ADVANCED INFORMATION
Rev. 00A
06/01/02
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
DON'T CARE
CLK
COMMAND
BANK n
BANK m
ADDRESS
DQ
T0
T1
T2
T3
T4
T5
T6
T7
NOP
NOP
NOP
NOP
NOP
NOP
D
IN
a
D
IN
a+1
D
OUT
b
D
OUT
b+1
BANK n,
COL a
BANK m,
COL b
CAS Latency - 3 (BANK m)
t
RP - BANK n
t
RP - BANK m
Precharge
WRITE - AP
BANK n
READ - AP
BANK m
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back
t
WR
- BANK n
Precharge
Page Active
READ with Burst of 4
Internal States
DON'T CARE
CLK
COMMAND
BANK n
BANK m
ADDRESS
DQ
T0
T1
T2
T3
T4
T5
T6
T7
NOP
NOP
NOP
NOP
NOP
NOP
BANK n,
COL a
BANK m,
COL b
t
RP - BANK n
RP - BANK m
Write-Back
BANK n
WRITE - AP
BANK m
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back
t
WR
- BANK n
Precharge
Page Active
WRITE with Burst of 4
Internal States
D
IN
a
D
IN
a+1
D
IN
a+2
D
IN
b
D
IN
b+1
D
IN
b+2
D
IN
b+3
WRITE with Auto Precharge
3. Interrupted by a READ (with or without auto precharge):
A READ to bank m will interrupt a WRITE on bank n when
registered, with the data-out appearing
(CAS atency)
ater.
The PRECHARGE to bank n will begin after t
WR
is met,
where t
WR
begins when the READ to bank m is registered.
The ast valid
WRITE
to bank n will be data-in registered one
clock prior to the READ to bank m.
4. Interrupted by a WRITE (with or without auto precharge):
A
WRITE
to bank m will interrupt a
WRITE
on bank n when
registered. The PRECHARGE to bank n will begin after t
WR
is met, where t
WR
begins when the WRITE to bank m is
registered. The ast valid data WRITE to bank n will be data
registered one clock prior to a WRITE to bank m.
WRITE With Auto Precharge interrupted by a READ
WRITE With Auto Precharge interrupted by a WRITE
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: |
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