CXD1198AQ 데이터 시트보기 (PDF) - Sony Semiconductor
부품명
상세내역
제조사
CXD1198AQ Datasheet PDF : 51 Pages
| |||
CXD1198AQ
2. DRAM interface
(1) Read
XRAS
XCAS
BA0 to 9
tRC
tRAS
tRCD
tASR
tRAD
tRAH
tASC tCAH
ROW
COLUMN
tCAS
XWE
high
BB0 to 7
tRDD
tCDH
(2) Write
XRAS
XCAS
BA0 to 9
tRC
tRAS
tRCD
tASR
tRAD
tRAH
tASC tCAH
ROW
COLUMN
tCAS
XWE
BB0 to 7
Item
Random read/write cycle time
RAS pulse width
RAS/CAS delay time
CAS pulse width
RAS/column address delay time
Row address setup time
Row address hold time
Column address setup time
Column address hold time
Delay time from RAS
Hold time from CAS
Write command setup time
Write command hold time
Data output setup time
Data output hold time
TW is 1/f here.
tWCS
tDS
tWCH
tDH
Symbol
tRC
tRAS
tRCD
tCAS
tRAD
tASR
tRAH
tASC
tCAH
tRDD
tCDH
tWCS
tWCH
tDS
tDH
Min.
2TW+5
TW+5
TW/2+5
10
TW/2
0
TW/2
0
10
20
10
20
Typ.
Max.
Unit
4TW
ns
2TW+19
ns
TW
ns
TW+19
ns
TW/2+17 ns
ns
ns
ns
ns
2TW
ns
ns
ns
ns
ns
ns
—8—
Share Link: 