PD45128441-I Datasheet, PDF(61/89 Page) Elpida Memory – 128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

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PD45128441-I Datasheet, PDF (61/89 Pages) Elpida Memory – 128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

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13.16 Read and Write (1/2) (Burst Length = 4, /CAS Latency = 2)

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

CLK

CKE

/CS

/RAS

/CAS

/WE

BA0

BA1

A10

ADD

RAa

CAa

DQM

Hi-Z

CAb

CAc

Write Latency = 0

QAa1 QAa2 QAa3 QAa4

Word Masking

DAb1 DAb2

DAb4

QAc1 QAc2

QAc4

Activate

Command

for Bank A

Read

Command

for Bank A

Write

Command

for Bank A

Read

Command

for Bank A

Hi-Z at the end of wrap function 0-Clock Latency

2-Clock Latency

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