參數(shù)資料
型號(hào)： HM5259805BTD-75
廠商： ELPIDA MEMORY INC
元件分類(lèi)： DRAM
英文描述： 512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 】 16-bit 】 4-bank/16-Mword 】 8-bit 】 4-bank /32-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
中文描述： 64M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝： 0.400 INCH, PLASTIC, TSOP2-54
文件頁(yè)數(shù)： 25/63頁(yè)
文件大?。?/td> 368K
代理商： HM5259805BTD-75
HM5259165B/HM5259805B/HM5259405B-75/A6
Data Sheet E0118H10
25
Auto Precharge
Read with auto-precharge:
In this operation, since precharge is automatically performed after completing a
read operation, a precharge command need not be executed after each read operation. The command executed
for the same bank after the execution of this command must be the bank active (ACTV) command. In
addition, an interval defined by l
APR
is required before execution of the next command.
CAS
latency
Precharge start cycle
3
2 cycle before the final data is output
2
1 cycle before the final data is output
Burst Read
(Burst Length = 4)
CLK
lAPR
lRAS
lAPR
CL=2 Command
CL=3 Command
DQ (input)
DQ (input)
Note: Internal auto-precharge starts at the timing indicated by " ".
And an interval of t
RAS
(l
RAS
) is required between previous active (ACTV) command and internal precharge " ".
ACTV
READ A
ACTV
out3
out2
out1
out0
lRAS
ACTV
READ A
ACTV
out3
out2
out1
out0
相關(guān)PDF資料
PDF描述
HM5259805BTD-A6 512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 】 16-bit 】 4-bank/16-Mword 】 8-bit 】 4-bank /32-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5259805B-75 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:30; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
HM5259405B-75 Circular Connector; Body Material:Aluminum; Series:PT06; No. of Contacts:30; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:18-30
HM5259805B-A6 PT 32C 32#20 PIN PLUG
HM5264405D 64M LVTTL interface SDRAM(64M LVTTL接口同步DRAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM5259805BTD-A6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 】 16-bit 】 4-bank/16-Mword 】 8-bit 】 4-bank /32-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5264165 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HM5264805 HM52654405 Series Synchronous Dynamic RAM
HM5264165-10 制造商: 功能描述: 制造商:undefined 功能描述:
HM5264165A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264165B60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
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