M2S28D20ATP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M2S28D20ATP

128M Double Data Rate Synchronous DRAM

MITSUBISHI ELECTRIC  

DDR SDRAM (Rev.0.1)

Jun,'00 Preliminary

MITSUBISHI LSIs

M2S28D20/ 30/ 40ATP

128M Double Data Rate Synchronous DRAM

EXTENDED MODE REGISTER

DLL disable / enable mode can be programmed by setting the extended

mode register (EMRS). The extended mode register stores these data

CLK

until the next EMRS command, which may be issued when all banks are /CLK

in idle state. After tRSC from a EMRS command, the DDR SDRAM is /CS

ready for new command.

/RAS

/CAS

BA1 BA0 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0

/WE

BA0

0 0 0 0 0 0 0 0 0 0 0 QFC DS DD

BA1

A11-A0

V

DLL Disable 0 DLL Enable

1 DLL Disable

Drive

0

Strength

1

Normal

Weak

0

Disable

QFC

1

Enable

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