M2V28S20ATP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M2V28S20ATP

128M Synchronous DRAM

MITSUBISHI ELECTRIC  

SDRAM (Rev. 1.0E)

Nov. '99

MITSUBISHI LSIs

128M Synchronous DRAM

M2V28S20ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 8,388,608-WORD x 4-BIT)

M2V28S30ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 4,194,304-WORD x 8-BIT)

M2V28S40ATP -6,-6L,-7,-7L,-8,-8L (4-BANK x 2,097,152-WORD x 16-BIT)

COMMAND TRUTH TABLE

COMMAND

MNEMONIC CKE CKE /CS /RAS /CAS /WE BA0,1 A11 A10 A0-9

n-1 n

Deselect

DESEL

HXHXXX X XXX

No Operation

Row Address Entry &

Bank Activate

Single Bank Precharge

NOP

ACT

PRE

H X L HHH X X X X

H X L L HH V V V V

HX L L HL V X L X

Precharge All Banks

Column Address Entry

& Write

Column Address Entry &

Write with Auto-Precharge

Column Address Entry

& Read

Column Address Entry &

Read with Auto-Precharge

Auto-Refresh

PREA

WRITE

WRITEA

READ

READA

REFA

HX L L HL X XHX

HXLHLL VVLV

HX L HL L V VHV

HXLHLHVVLV

HX L HLHV VHV

HHL L LHXXXX

Self-Refresh Entry

REFS

HL L L LHXXXX

Self-Refresh Exit

REFSX

L HHXXX X XXX

L HL HHH X X X X

Mode Register Set

MRS

H X L L L L L L L V*1

H=High Level, L=Low Level, V=Valid, X=Don't Care, n=CLK cycle number

NOTE:

1. A7-A9 =0, A0-A6 =Mode Address

MITSUBISHI ELECTRIC

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