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參數(shù)資料
| 型號： | H5MS5162DFR-K3M |
| 廠商： | HYNIX SEMICONDUCTOR INC |
| 元件分類： | DRAM |
| 英文描述： | 32M X 16 DDR DRAM, 0.5 ns, PBGA60 |
| 封裝： | 8 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, FBGA-60 |
| 文件頁數(shù)： | 42/62頁 |
| 文件大?。?/td> | 1314K |
| 代理商： | H5MS5162DFR-K3M |
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Rev 1.3 / Apr. 2009
47
11
Mobile DDR SDRAM 512Mbit (32M x 16bit)
H5MS5162DFR Series
PRECHARGE
The PRECHARGE command is used to deactivate the open row in a particular bank or the open row in all banks.
Another command to the same bank (or banks) being precharged must not be issued until the precharge time (tRP) is
completed.
If one bank is to be precharged, the particular bank address needs to be specified. If all banks are to be precharged,
A10 should be set high along with the PRECHARGE command. If A10 is high, BA0 and BA1 are ignored. A PRECHARGE
command will be treated as a NOP if there is no open row in that bank, or if the previously open row is already in the
process of precharging.
PRECHARGE command
AUTO PRECHARGE
Auto Precharge is a feature which performs the same individual bank precharge function as described above, but with-
out requiring an explicit command.
This is accomplished by using A10 (A10=high), to enable auto precharge in conjunction with a specific Read or Write
command. This precharges the bank/row after the Read or Write burst is complete.
Auto precharge is non persistent, so it should be enabled with a Read or Write command each time auto precharge is
desired. Auto precharge ensures that a precharge is initiated at the earliest valid stage within a burst.
The user must not issue another command to the same bank until the precharge time (tRP) is completed.
Don't Care
BA
Bank Address
A10 defines the precharge
mode when a precharge
command, a readcommand
or a write commandis
issued.
If A10 =High when a
precharge commandis
issued, all banks are
precharged.
If A10 =Lowwhen a
precharge commandis
issued, only the bank that is
selectedby BA1/BA0 is
precharged.
If A10 =High when read or
write command, auto-
precharge function is
enabled.
While A10 =Low, auto-
precharge function is
disabled.
CS
A0~A9,
A11, A12
WE
CAS
CLK
CKE
BA0,BA1
RAS
A10
(High)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| H5MS5162DFR-L3M | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mb (32Mx16bit) Mobile DDR SDRAM |
| H5MS5162EFR | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:536,870,912-bit CMOS Low Power Double Data Rate Synchronous DRAM (Mobile DDR SDRAM) |
| H5MS5162EFR-J3M | 制造商:SK Hynix Inc 功能描述:SDRAM MOBILE DDR 512MB (X16) 60FBGA 制造商:SK Hynix Inc 功能描述:SDRAM, MOBILE DDR, 512MB (X16), 60FBGA 制造商:SK Hynix Inc 功能描述:SDRAM, MOBILE DDR, 512MB (X16), 60FBGA, Memory Type:DRAM - Synchronous, Memory C 制造商:SK Hynix Inc 功能描述:SDRAM, MOBILE DDR, 512MB (X16), 60FBGA, Memory Type:DRAM - Synchronous, Memory Configuration:32M x 16, Memory Case Style:FBGA, No. of Pins:60, IC Interface Type:LVCMOS, Operating Temperature Min:-30C, Operating Temperature Max:85C, , RoHS Compliant: Yes |
| H5MS5162FFR-E3M | 制造商:SK Hynix Inc 功能描述: |
| H5N1503P | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Silicon N Channel MOS FET High Speed Power Switching |
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