PD45128441-I Datasheet, PDF(50/89 Page) Elpida Memory – 128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

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PD45128441-I Datasheet, PDF (50/89 Pages) Elpida Memory – 128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

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13.9 Power Down Mode and Clock Mask (Burst Length = 4, /CAS Latency = 2)

CLK

CKE

/CS

T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21

tCKSP

VALID

tCKSP

/RAS

/CAS

/WE

BA0

BA1

A10

ADD

DQM

RAa

Hi-Z

CAa

QAa1 QAa2 QAa3

QAa4

Activate

Command

for Bank A

Read

Command

for Bank A

Power Down

Mode Entry

Power Down

Mode Exit

ACTIVE STANDBY

Clock Mask

Start

Clock Mask

End

Precharge

Command

for Bank A

Power Down

Mode Entry

PRECHARGE STANDBY

Power Down

Mode Exit

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