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參數(shù)資料
| 型號： | IS43R16160A-5T |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類： | DRAM |
| 英文描述： | 16Meg x 16 256-MBIT DDR SDRAM |
| 中文描述： | 16M X 16 DDR DRAM, 0.65 ns, PDSO66 |
| 封裝： | PLASTIC, TSOP2-66 |
| 文件頁數(shù)： | 22/56頁 |
| 文件大?。?/td> | 792K |
| 代理商： | IS43R16160A-5T |
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22
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. 00B
11/28/05
ISSI
IS43R16160A
Self Refresh
A self refresh command is defined by having CS, RAS, CAS and CKE held low with WE high at the rising
edge of the clock (CK). Once the self refresh command is initiated, CKE must be held low to keep the device
in self refresh mode. During the self refresh operation, all inputs except CKE are ignored. The clock is inter-
nally disabled during self refresh operation to reduce power consumption. The self refresh is exited by sup-
plying stable clock input before returning CKE high, asserting deselect or NOP command and then asserting
CKE high for longer than t
SREX
for locking of DLL. The auto refresh is required before self refresh entry and
after self refresh exit.
Power Down Mode
The power down mode is entered when CKE is low and exited when CKE is high. Once the power down
mode is initiated, all of the receiver circuits except clock, CKE and DLL circuit are gated off to reduce power
consumption. All banks should be in idle state prior to entering the precharge power down mode and CKE
should be set high at least 1tck+tIS prior to row active command. During power down mode, refresh opera-
tions cannot be performed, therefore the device cannot remain in power down mode longer than the refresh
period (t
REF
) of the device.
Command
CKE
Stable Clock
t
SREX
Auto
Refresh
NOP
Self
Refresh
CK, CK
CKE
Precharge
Active
Read
NOP
pActive
Exit
power down
Entry
Active
power
down
Exit
down
Entry
Ppower
precharge
Command
CK, CK
相關PDF資料 |
PDF描述 |
|---|---|
| IS43R16160A-5TL | 16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16160A-6T | 16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16160A | 16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16320A | 32Meg x 16 512-MBIT DDR SDRAM |
| IS43R16320A-6TL | 32Meg x 16 512-MBIT DDR SDRAM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IS43R16160A-5TL | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16160A-6T | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16160B | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:32Mx8, 16Mx16 256Mb DDR Synchronous DRAM |
| IS43R16160B-5BI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:32Mx8, 16Mx16 256Mb DDR Synchronous DRAM |
| IS43R16160B-5BL | 功能描述:動態(tài)隨機存取存儲器 256M (16Mx16) 400MHz DDR 2.5v RoHS:否 制造商:ISSI 數(shù)據(jù)總線寬度:16 bit 組織:1 M x 16 封裝 / 箱體:SOJ-42 存儲容量:16 MB 最大時鐘頻率: 訪問時間:50 ns 電源電壓-最大:7 V 電源電壓-最小:- 1 V 最大工作電流:90 mA 最大工作溫度:+ 85 C 封裝:Tube |
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