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DDR2????????333MHz?400MHz?DDR???667MHz?800MHz?1066MHz DDR3????????1066MHz?1333MHz?1600MHz
??DDR2????????????????????????????DDR2???????????????????1066Mhz???????????1333MHz?1600MHz?????????Intel???B75????AMD A75???????1600MHz???????2013?1600MHz??????????
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?????????????????????????????????????????????????????????????????????????pause??????????????????
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???windows??????cpu??,?????
windows??????cpu???????
?
??????????cpu???????????
windows????
??/
??
?????????????????win+r????????cmd??????
??????????wmic?????????????????!
??????cpu get *????cpu???????????????????numberofcores?numberoflogicalprocessors??
?numberofcores????
cpu???
??
numberoflogicalprocessors/numberofcores?????????????cpu???????
????????????????????memorychip??????!
????????????????2G?PN??????
?????????
Samsung
??????
?????
?1?????K?????????
?2?????4???DRAM?
?3??????????????S??SDRAM?H??DDR?G??SGRAM ?T??DDR2 DRAM?D??GDDR1???????
?4?5????????????????????????????????????64?62?63?65?66?67?6A??64Mbit????28?27?2A??128Mbit????56?55?57?5A??256Mbit????51??512Mbit????
?6?7?????????08??8????16??16????32??32????64??64????
?8??????????????Bank???????????3?4?????????4Banks?8Banks????????????????????????????64?128??????????1??2?bank???256M??324??16????416=64??????bank?256M??16M16?? 8????168=128??????bank???????bank????????????????????????????????????????????????????4?8?16?????????????????????????????????????????????????????????????256M??128M????????????????????
?9????????????????Q?SSTL-1.8V ?1.8V?1.8V???DDR?2.5V?????DDR2?1.8V?????????????????????
?10?????????????????????????????M??1st?A-F??2nd-7th??????????????A?B?C???????????FBGA?????E?F??????????????????????????????????????????????
?11???-?
?12?????????????????G?S?FBGA?Leaded??Z?Y?FBGA?Leaded-Free??????????TSOP?FBGA??????FBGA????????mBGA??????DDR2????????????FBGA????TSOP?????????????550MHz?DDR???????400MHz??DDR2 667?800?????????
?13????????????????C??Commercial
Temp.( 0C ~ 85C) & Normal Power??????1.8V?????L??Commercial Temp.( 0C ~ 85C) & Low Power????????????
??????????????????????????????????????????????
?14?15????????60?6ns?70? 7ns?7B?7.5ns (CL=3)?7C?7.5ns (CL=2) ?80? 8ns?10 ?10ns (66MHz)?DDR2?????400MHz????????800MHz???????1066MHz????DDR2??????????????????????????CC??DDR2-400?200MHz@ CL=3?tRCD=3?tRP=3??D5??DDR2-533?266MHz@ CL=4?tRCD=4?tRP=4??E6??DDR2-667?333MHz@ CL=5?tRCD=5?tRP=5??E7??DDR2-800?400MHz@ CL=5?tRCD=5?tRP=5?
????????16?17?18?????????????????OEM?????????????????
????
????????????????????????????????????????????DDR?????18?SAMSUNG K4H280838B-TCB0??????????4?5?28??????128Mbits??6?7?08??????8???????????????????????128Mbits????? 16?/8bits=256MB??????
??bit????B???byte??????8???????
8?????????????????????????????ECC????8?8?????????????????????ECC?????64??????????8??ECC????????????????????????????????????????????????????????ECC???18????????????16?????????????18???9????????????ECC???
2Hynix(Hyundai)??
????????
HY5DV641622AT-36
HY XX X XX XX XX X X X X X XX
1 2 3 4 5 6 7 8 9 10 11 12
1?HY????????
2????????(57=SDRAM?5D=DDR SDRAM)?
3????????=5V?V=3.3V,U=2.5V
4???????????16=16Mbits?4K Ref?64=64Mbits?8K Ref?65=64Mbits?4K Ref?128=128Mbits?8K Ref?129=128Mbits?4K Ref?256=256Mbits?16K Ref?257=256Mbits?8K Ref
5?????????????40?80?16?32????4??8??16??32?
6?BANK???1?2?3????2??4??8?Bank??2?????
7?I/O???1 :SSTL_3? 2 :SSTL_2
8??????????????A?B?C?D?????????????
9??????L=????????=????
10??????????JC=400mil SOJ?TC=400mil TSOP-??TD=13mm TSOP-??TG=16mm TSOP-?
11??????55 :183MHZ?5 :200MHZ?45 :222MHZ?43 :233MHZ?4 :250MHZ?33 :300NHZ?L DR200?H DR266B? K DR266A
3Infineon????
????
Infineon???????????????????????????Infineon?????????????????128Mbits???????256Mbits????????????????????????Infineon??????????????????4?Bank?????????????????????????
????
HYB39S128400?128MB/ 4bits?128???????????????????????????????????HYB39S128800?128MB/8bits?HYB39S128160?128MB/16bits?HYB39S256800?256MB/8bits?
Infineon??????????????????????????????????
-7.5???????????133MHz?
-8???????????100MHz?
???
1?Kingston???????16?Infineon?HYB39S128400-7.5??????????????? 128Mbits?????16?/8=256MB?????? 1?Ramaxel???????8?Infineon?HYB39S128800-7.5??????????????? 128Mbits????? 8 ?/8=128MB?????? 4KINGMAX?????
??
Kingmax??????TinyBGA???Tiny ball grid array???????????????????????Kingmax?????????????????Kingmax??????????64Mbits?128Mbits????????????????????????
????
KSVA44T4A0A64Mbits?16M???? 4??????
KSV884T4A0A64Mbits?8M???? 8??????
KSV244T4XXX128Mbits?32M???? 4??????
KSV684T4XXX128Mbits?16M???? 8??????
KSV864T4XXX128Mbits?8M ???? 16??????
Kingmax???????????????????????????????????
-7APC133 /CL=2?
-7PC133 /CL=3?
-8APC100/ CL=2?
-8PC100 /CL=3?
????Kingmax??????16?KSV884T4A0A-7A ??????????????? 64Mbits?????16?/8=128MB??????
5Micron????
?MT48LC16M8A2TG-75?????????????????
???
MTMicron??????
48??????48??SDRAM?46 ??DDR?
LC?????LC??3V?C ??5V?V ??2.5V?
16M8???????128Mbits???????16M????8?????? A2????????
TG?????TG?TSOP???
-75???????-75?133MHz?-65?150MHz?
?????Micron DDR??????18????MT46V32M4-75???????????ECC???????Bank?????????
?????????32M 4bit 16 ?/ 8=256MB??????
6Winbond????
?????
A???W????????Winbond?????????
B?????????98??SDRAM??94??DDR SDRAM???
C????????????16??16Mbit?2MB?32??32Mbit?4MB?64??64Mbit?8MB?12??128Mbit?16MB?25??256Mbit?32MB??????????????????????????????????? D?????????08???816?G6???1632?G2???32?
E??????????????A???1?B???2?C???3?D???4??
F??????????????B??60balls BGA?90balls BGA?144-Ball LF BGA??D??100-Pin LQFP??H??50-Pin 400mil TSOP?66-Pin 400mil TSOP?86-Pin 400mil TSOP???
G????????????????SDRAM???-5??200MHz?CL=3?-6??166MHz?CL=3?-7??143MHz?CL=3??PC133?CL=2?-75??PC133?CL=3?-8H??PC100?CL=2????DDR SDRAM???-4??250MHz?CL=3/4?-5??DDR400?CL=2.5?-5H??200MHz?CL=3?-55??183MHz?CL=3?-6
??DDR333?CL=2.5?-7??143MHz?CL=2.5??DDR266?CL=2?-75??DDR266?CL=2.5??
H???????????????????????L???????0??70???I???????-40??85????????-25??85???
??????????????????????
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发表于 2019-9-13 23:46:11