AS4C14405 查看數據表（PDF） - Alliance Semiconductor

零件编号

产品描述 (功能)

生产厂家

AS4C14405

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

Alliance Semiconductor 

AS4C14400

®

Timing waveform of write cycle

(OE controlled)

RAS

tCRP

CAS

tASR

Address AAAAAAAAAAAAAAAAAAAAAAAAAAA

Row

tRC

tRAS

tRP

tCSH

tRSH

tRCD

AAAAAAAAAAAAAAAAAAAA

tCAS

tRAL

AAAAAAAAAAAAAAAAAAAAAAAA

tAWR

tRAD

tASC

tRAH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tCAH

Column

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tWCR

WE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRWL

tCWL

tWP

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

OE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tDHR

tOED

I/O AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

AAAAAAAAAAAAAAAA

tOEH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tDS

tDH

Data In

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Timing waveform of read-write cycle

tRWC

tRAS

tRP

RAS

tCAS

tCRP

tRCD

tRSH

CAS

tCSH

AAAAAAAAAAAAAAAAAAAAAAAA

tAR

AAAAAAAAAAAAAAAAAA

tRAL

tRAD

tASC

Address AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tASR Row tRAH AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Column

tRWD

tCAH

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAtAAAARAAAAWAAAALAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tAWD

tCWL

tRCS

tCWD

WE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tOEA

tOED

tOEZ

OE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tWP

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

tRAC

tAA

tCAC

tDS

tCLZ

tDH

I/O

AAAAAAAAA Data Out

AAAAAAAAAAAA

Data In

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

9

Share Link: