UPD45128163-I-E View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

View to exact match

UPD45128163-I-E

128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

Elpida Memory, Inc 

PRE (Precharge) Termination of Burst (2/2) (Burst Length = 8, /CAS Latency = 3)

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

CLK

CKE

H

/CS

/RAS

/CAS

/WE

BA0

BA1

A10

RAa

RAb

RAc

ADD

RAa

CAa

RAb

CAb

RAc

LDQM

L

UDQM

L

DQ

Hi-Z

(lower)

DQ

Hi-Z

(upper)

Write

Masking

DAa1 DAa2 DAa3 DAa4 DAa5

DAa1 DAa2 DAa3 DAa4 DAa5

Hi-Z

QAb1 QAb2 QAb3 QAb4

Hi-Z

QAb1 QAb2 QAb3 QAb4

Activate

Command

for Bank A

Write

Command

for Bank A

PRE Termination

of Burst

tRCD

tRAS

Precharge

Command

for Bank A

tDPL

Activate

Command

for Bank A

tRP

Read

Command

for Bank A

PRE Termination

of Burst

tRAS

Precharge

Command

for Bank A

Activate

Command

for Bank A

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