參數(shù)資料
型號: μPD4516161A
廠商: NEC Corp.
英文描述: 16M-bit Synchronous DRAM(16M 同步動態(tài)RAM)
中文描述: 1,600位同步DRAM(1,600同步動態(tài)RAM)的
文件頁數(shù): 13/86頁
文件大?。?/td> 904K
代理商: ΜPD4516161A
μ
PD4516421A, 4516821A, 4516161A for Rev. P
13
Self refresh entry command
(CS, RAS, CAS, CKE = Low, WE = High)
After the command execution, self refresh operation continues while
CKE remains low. When CKE goes to high, the
μ
PD4516
×××
A exits the self
refresh mode.
During self refresh mode, refresh interval and refresh operation are
performed internally, so there is no need for external control.
Before executing self refresh, both banks must be precharged.
Burst stop command
(CS, WE = Low, RAS, CAS = High)
This command terminates the current burst operation.
No operation
(CS = Low, RAS, CAS, WE = High)
This command is not a execution command. No operations begin or
terminate by this command.
Fig. 7 Self refresh entry
command
Fig. 8 Burst stop command
in Full Page mode
Add
A10
WE
CAS
RAS
CS
CKE
CLK
(Bank select)
H
Fig. 9 No operation
Add
A10
WE
CAS
RAS
CS
CKE
CLK
H
(Bank select)
Add
A10
A11
WE
CAS
RAS
CS
CKE
CLK
(Bank select)
相關(guān)PDF資料
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