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參數(shù)資料
| 型號(hào)： | HM5264805FLTT-A60 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 64M LVTTL interface SDRAM 133 MHz/100 MHz |
| 中文描述： | 6400 LVTTL接口SDRAM的133 MHz/100 MHz的 |
| 文件頁數(shù)： | 32/67頁 |
| 文件大小： | 870K |
| 代理商： | HM5264805FLTT-A60 |
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HM5264165F/HM5264805F/HM5264405F-75/A60/B60
32
Read with auto precharge to Read command interval
1. Different bank:
When some banks are in the active state, the second read command (another bank) is
executed. Even when the first read with auto-precharge is a burst read that is not yet finished, the data read by
the second command is valid. The internal auto-precharge of one bank starts at the next clock of the second
command.
Read with Auto Precharge to Read Command Interval
(Different bank)
CLK
Command
BS
Dout
READ A
READ
out A0
out A1
out B0
out B1
CAS
Latency = 3
Burst Length = 4
bank0
Read A
bank3
Read
Note: Internal auto-precharge starts at the timing indicated by " ".
2. Same bank:
The consecutive read command (the same bank) is illegal.
Write with auto precharge to Write command interval
1. Different bank:
When some banks are in the active state, the second write command (another bank) is
executed. In the case of burst writes, the second write command has priority. The internal auto-precharge of
one bank starts at the next clock of the second command .
Write with Auto Precharge to Write Command Interval
(Different bank)
CLK
Command
BS
Din
WRIT A
WRIT
in B1
in B2
in B3
in A0
in A1
in B0
Burst Length = 4
bank0
Write A
bank3
Write
Note: Internal auto-precharge starts at the timing indicated by " ".
2. Same bank:
The consecutive write command (the same bank) is illegal.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HM5264165F-75 | 64M LVTTL interface SDRAM 133 MHz/100 MHz |
| HM5264165FLTT-B60 | 64M LVTTL interface SDRAM 133 MHz/100 MHz |
| HM53-50370H | MB 32C 32#20 PIN PLUG |
| HM53-50370V | MB 32C 32#20 SKT PLUG |
| HM53-407R0H | ER 14C 14#16 PIN RECP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM5264805FLTT-B60 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz |
| HM5264805FTT-75 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword × 16-bit × 4-bank/2-Mword × 8-bit × 4-bank /4-Mword × 4-bit × 4-bank PC/133, PC/100 SDRAM |
| HM5264805FTT-A60 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword × 16-bit × 4-bank/2-Mword × 8-bit × 4-bank /4-Mword × 4-bit × 4-bank PC/133, PC/100 SDRAM |
| HM5264805FTT-B60 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz |
| HM5264805LTT-10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SDRAM |
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