4C14400-40 查看數據表（PDF） - Alliance Semiconductor

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4C14400-40

1M-bit × 4 CMOS DRAM (Fast page mode or EDO)

Alliance Semiconductor 

AS4C14400

®

Timing waveform of fast page mode read cycle

RAS

tRASP

tRP

tCRP

CAS

tCSH

tRCD

AAAAAAAAAAAAAAAA tCAS

AAAAAAAAAAAAtAAAACP

tRSH

AAAAAAAAAAAAtAAAAPC

AAAAAAAAAAAAAAAA

Address

WE

OE

I/O

tASR

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRAH

Row

tAR

tRAD

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Column

AAAAAAAAAAAAAAAAAAAAAAAA

tASC

Column

tRCS

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRAC

tRCH

tOEA

tCLZ

AAAAAAAAAAAAAAAAAAAAAAAA tRCS

AAAAAAAAAAAAAAAAAA

tOEZ

AAAAAAAAAAAAAAAA

tAA

Data

Out

tOFF

AAAAAAAAAAAA

tRAL

tCAH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Column AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRRH

tRCH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tOEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tCAP

Data Out

AAAAAAAAAAAAAAAA

tCAC

Data

Out

Timing waveform of fast page mode early write cycle

tRAH

tRASP

tRWL

RAS

tCRP

CAS

tASR

Address AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRCD

tCSH

tCAS

AAAAAAAAAAAAAAAAAAAA

tAR

tRAD

Row

AAAAAAAAAAAAAAAAAAAAAAAAAAA

Column

WE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tASC

AAAAAAAAtAAAAWAAAACAAAAS

AAAAAAAAAAAAAAAAAAAAAAAA Column

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tPC

tCAH

tCP

tRSH

tRAAAAAAAAALAAAAAAAA

AAAAAAAAAAAAAAAAAA

Column

tCWL

tWP

tWCH

tOEH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

OE

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tHDR

tDS

I/O AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tDH

Data In

AAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tOED

Data In

AAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Data In

AAAAAAAAAAAAAAAAAAAAAAAA

10

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