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HM5225805BLTT-75 参数 Datasheet PDF下载

HM5225805BLTT-75图片预览
型号: HM5225805BLTT-75
PDF下载: 下载PDF文件 查看货源
内容描述: LVTTL 256M SDRAM接口的133 MHz / 100 MHz的4 Mword 】 16位】 4银行/ 8 - Mword 】 8位】 4银行/ 16 Mword 】 4位】 4银行PC / 133 , PC / 100 SDRAM [256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM]
分类和应用: 存储内存集成电路光电二极管动态存储器PC时钟
文件页数/大小: 63 页 / 454 K
品牌: ELPIDA [ ELPIDA MEMORY ]
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HM5225165B/HM5225805B/HM5225405B-75/A6/B6  
Current state  
CS  
H
L
RAS CAS WE  
Address  
Command  
DESL  
Operation  
Write  
×
×
×
×
×
Continue burst to end  
Continue burst to end  
H
H
H
L
H
L
H
H
L
NOP  
L
BA, CA, A10 READ/READ A Term burst and New read  
L
L
BA, CA, A10 WRIT/WRIT A  
Term burst and New write  
L
H
H
BA, RA  
ACTV  
Other bank active  
ILLEGAL on same bank*3  
L
L
H
L
BA, A10  
PRE, PALL  
Term burst write and  
Precharge*2  
L
L
H
L
L
×
L
L
×
H
L
×
REF, SELF  
MRS  
ILLEGAL  
ILLEGAL  
MODE  
Write with auto-  
precharge  
×
×
DESL  
Continue burst to end and  
precharge  
L
H
H
H
×
NOP  
Continue burst to end and  
precharge  
L
L
L
H
H
L
L
L
H
H
L
BA, CA, A10 READ/READ A ILLEGAL*4  
BA, CA, A10 WRIT/WRIT A  
ILLEGAL*4  
H
BA, RA  
ACTV  
Other bank active  
ILLEGAL on same bank*3  
L
L
L
H
L
L
L
×
H
L
L
×
L
H
L
×
BA, A10  
PRE, PALL  
REF, SELF  
MRS  
ILLEGAL*4  
×
ILLEGAL  
MODE  
ILLEGAL  
Refresh (auto-  
refresh)  
×
DESL  
Enter IDLE after tRC  
L
L
L
L
L
L
L
H
H
H
L
H
L
H
H
L
×
NOP  
Enter IDLE after tRC  
BA, CA, A10 READ/READ A ILLEGAL*5  
L
BA, CA, A10 WRIT/WRIT A  
ILLEGAL*5  
ILLEGAL*5  
ILLEGAL*5  
ILLEGAL  
H
H
L
H
L
BA, RA  
BA, A10  
×
ACTV  
L
PRE, PALL  
REF, SELF  
MRS  
L
H
L
L
L
MODE  
ILLEGAL  
Notes: 1. H: VIH. L: VIL. ×: VIH or VIL. The other combinations are inhibit.  
2. An interval of tDPL is required between the final valid data input and the precharge command.  
3. If tRRD is not satisfied, this operation is illegal.  
4. Illegal for same bank, except for another bank.  
5. Illegal for all banks.  
6. NOP for same bank, except for another bank.  
Data Sheet E0082H10  
16  
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