UPD45128163 Ver la hoja de datos (PDF) - NEC => Renesas Technology

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UPD45128163

128M-bit Synchronous DRAM 4-bank, LVTTL

NEC => Renesas Technology 

3. Simplified State Diagram

µPD45128441, 45128841, 45128163

Mode

Register

Set

MRS

IDLE

SELF

SELF exit

REF

Self

Refresh

CBR (Auto)

Refresh

CKE

CKE

Power

Down

Write

BST

Write

ROW

ACTIVE

CKE

CKE

Read

BST

Active

Power

Down

Read

WRITE

SUSPEND

CKE

CKE

WRITE

Read

Write

READ

CKE

CKE

READ

SUSPEND

WRITEA

SUSPEND

CKE

CKE

WRITEA

READA

CKE

CKE

READA

SUSPEND

POWER

ON

Precharge

Precharge

Automatic sequence

Manual input

14

Data Sheet M12650EJBV0DS00

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