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M65KA128AL データシート(PDF) 19 Page - STMicroelectronics

部品番号 M65KA128AL
部品情報  128Mbit (4 Banks x 2M x 16) 1.8V Supply, Low Power SDRAMs
PDF  53 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M65KA128AL データシート(HTML) 19 Page - STMicroelectronics

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M65KA128AL
Commands
19/53
Precharge All
Banks
VIH
XVIL
VIL
VIH
VIL
XX
VIH
XX
X
X
Precharge
Selected Bank
VIH
XVIL
VIL
VIH
VIL
XX
VIL
XV
X
X
Burst Terminate
VIH
VIH
VIL
VIH
VIH
VIL
XX
X
X
X
X
Auto Refresh
VIH
VIH
VIL
VIL
VIL
VIH
XX
X
X
X
X
Self Refresh
Entry
VIH
VIL
VIL
VIL
VIL
VIH
XX
X
X
X
X
Self Refresh
Exit(4)
VIL
VIH
VIH
XX
X
XX
XX
X
X
VIL
VIH
VIH
VIH
XX
X
X
Power-Down
Entry(5)(6)
VIH
VIL
VIL
VIH
VIH
VIH
XX
X
X
X
X
VIH
XX
X
Power-Down
Exit(5)(6)
VIL
VIH
VIL
VIH
VIH
VIH
XX
X
X
X
X
VIH
XX
X
Deep Power-
Down Entry
VIH
VIL
VIL
VIH
VIH
VIL
XX
X
X
X
X
Deep Power-
Down Exit
VIL
VIH
XX
X
X
X
X
X
Clock Suspend
Entry
VIH
VIL
XX
X
X
X
X
X
X
X
X
Clock Suspend
Exit
VIL
VIH
XX
X
X
X
X
X
X
X
X
Data Mask /
Output Enable
VIH
XX
X
X
X
VIL
VIL
XX
X
X
Data Mask /
Output Disable
VIH
XX
X
X
X
VIH
VIH
X
X
Hi-Z
Hi-Z
1.
X = Don’t Care VIL or VIH. V = Valid.
2.
BA1 and BA0 must both be driven Low, VIL, to issue the Mode Register Set command. BA1 and BA0 must be driven High,
VIH and Low, VIL, respectively, to issue the Extended Mode Register Set Command.
3.
To perform Read or Write operations with Autoprecharge, A10 must be held High, VIH.
4.
The Self Refresh mode is exited by asynchronously driving KE from Low to High.
5.
The Power-Down mode is exited by asynchronously driving KE from Low to High.
6.
Banks must be precharged before issuing a Power-Down command.
Table 3.
Commands(1) (continued)
Command
KEn-1 KEn
E
RAS
CAS
W
UDQM
LDQM
A10
A9,
A11
A0-A7
BA0-
BA1
DQ0-
DQ7
DQ8-
DQ15



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