MH8V7245BWZTJ-5 データシートの表示（PDF） - MITSUBISHI ELECTRIC

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MH8V7245BWZTJ-5

, HYPER PAGE MODE 603979776 - BIT ( 8388608 - WORD BY 72 - BIT ) DYNAMIC RAM

MITSUBISHI ELECTRIC  

Preliminary Spec.

Specifications subject to

change without notice.

MITSUBISHI LSIs

MH8V7245BWZTJ -5, -6

HYPER PAGE MODE 603979776 - BIT ( 8388608 - WORD BY 72 - BIT ) DYNAMIC RAM

FUNCTION

The MH8V7245BWZTJ provide, in addition to normal

read, write, and read-modify-write operations,

a number of other functions, e.g., Hyper page mode,

/CAS before /RAS refresh, and delayed-write. The

input conditions for each are shown in Table 1.

Table 1 Input conditions for each mode

Operation

Read

Write (Early write)

Write (Delayed write)

Read-modify-write

Hidden refresh

/CAS before /RAS refresh

Standby

/RAS

ACT

ACT

ACT

ACT

ACT

ACT

NAC

/CAS

ACT

ACT

ACT

ACT

ACT

ACT

DNC

Inputs

/W

/OE

NAC ACT

ACT DNC

ACT DNC

ACT

DNC

NAC

ACT

ACT

DNC

DNC DNC

adRdorwess

Column

address

APD APD

APD APD

APD APD

APD APD

DNC DNC

DNC DNC

DNC DNC

Input/Output Refresh

Input Output

OPN VLD YES

VLD OPN YES

VLD IVD YES

VLD

OPN

DNC

VLD

VLD

OPN

YES

YES

YES

DNC OPN NO

Remark

Hyper page

mode

identical

Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid, APD : applied, OPN : open

MIT-DS-0287-0.0

MITSUBISHI

ELECTRIC

( 5 / 24 )

9/Nov./1998

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