MH32S64PHB-6 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

Номер в каталоге

Компоненты Описание

производитель

MH32S64PHB-6

2,147,483,648-BIT ( 33,554,432-WORD BY 64-BIT ) Synchronous DYNAMIC RAM

MITSUBISHI ELECTRIC  

MITSUBISHI LSIs

MH32S64PHB-6

2,147,483,648-BIT ( 33,554,432-WORD BY 64-BIT ) Synchronous DYNAMIC RAM

FUNCTION TRUTH TABLE FOR CKE

Current State

SELF -

REFRESH*1

POWER

DOWN

ALL BANKS

IDLE*2

ANY STATE

other than

listed above

CKE CKE

n-1 n

HX

LH

LH

LH

LH

LH

LL

HX

LH

LL

HH

HL

HL

HL

HL

HL

HL

LX

HH

HL

LH

LL

/S /RAS /CAS /WE Add

Action

X

X

X

X

X INVALID

H

X

X

X

X Exit Self-Refresh(Idle after tRC)

L

H

H

H

X Exit Self-Refresh(Idle after tRC)

L

H

H

L

X ILLEGAL

L

H

L

X

X ILLEGAL

L

L

X

X

X ILLEGAL

X

X

X

X

X NOP(Maintain Self-Refresh)

X

X

X

X

X INVALID

X

X

X

X

X Exit Power Down to Idle

X

X

X

X

X NOP(Maintain Self-Refresh)

X

X

X

X

X Refer to Function Truth Table

L

L

L

H

X Enter Self-Refresh

H

X

X

X

X Enter Power Down

L

H

H

H

X Enter Power Down

L

H

H

L

X ILLEGAL

L

H

L

X

X ILLEGAL

L

L

X

X

X ILLEGAL

X

X

X

X

X Refer to Current State = Power Down

X

X

X

X

X Refer to Function Truth Table

X

X

X

X

X Begin CK0 Suspend at Next Cycle*3

X

X

X

X

X Exit CK0 Suspend at Next Cycle*3

X

X

X

X

X Maintain CK0 Suspend

ABBREVIATIONS:

H = High Level, L = Low Level, X = Don't Care

NOTES:

1. CKE Low to High transition will re-enable CK and other inputs asynchronously.

A minimum setup time must be satisfied before any command other than EXIT.

2. Power-Down and Self-Refresh can be entered only form the All banks idle State.

3. Must be legal command.

MIT-DS-0319-0.0

MITSUBISHI

ELECTRIC

12/May. /1999 11

Share Link: