AD402M91RBA-5中文资料(6)

元器件交易网

TRUTH TABLE

ADDRESSES

FUNCTION

RAS

STANDBYREAD

WRITE: (EARLY WRITE )READ WRITEEDO-PAGE-MODE READ

1st Cycle2nd Cycle

EDO-PAGE1st Cycle

MODE WRITE

2nd Cycle1st CycleEDO-

PAGE-MODE

READ-WRITE2nd CycleHIDDENREFRESH

READWRITE

RAS-ONLY REFRESHCBR REFRESH

HLLLLLLLLLL→H→LL→H→L

LH→L

CASH→XLLLH→LH→LH→LH→LH→LH→LLLHL

WEXHLH→LHHLLH→LH→LHLXH

OEXLXL→HLLXX

ROWXROWROWROWROWn/aROWn/aROWn/aROWROWROWX

COLXCOLCOLCOLCOLCOLCOLCOLCOLCOLCOLCOLn/aX

High-ZData-OutData-ln

Data-Out,Data-lnData-OutData-OutData-InData-In

Data-Out, Data-InData-Out, Data-InData-OutData-InHigh-ZHigh-Z

1

DQS

Notes

L→HL→H

LXXX

Notes: 1. EARLY WRITE only.