參數(shù)資料
型號(hào): VG36641641DTL-7
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS Synchronous Dynamic RAM
中文描述: 同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器的CMOS
文件頁(yè)數(shù): 9/69頁(yè)
文件大?。?/td> 1364K
代理商: VG36641641DTL-7
Document :1G5-0177
Rev.2
Page 9
VIS
VG36644041DT / VG36648041DT / VG36641641DT
CMOS Synchronous Dynamic RAM
Basic Features and Function Description
1. Simplified State Diagram
Self
Refresh
MRS
Mode
Register
Set
IDLE
AUTO
Refresh
REF
A
CKE
CKE
BT
Power
Down
Active
Power
Down
ROW
ACTIVE
Read
CKE
CKE
READ
READ
SUSPEND
CKE
CKE
READ A
READA
SUSPEND
Read with
Auto Precharge
CKE
CKE
Write (Write recovery)
WRITE
WRITE
SUSPEND
WRITE A
WRITE A
SUSPEND
CKE
CKE
Write with
Auto Precharge
POWER
ON
Precharge
Precharge
PEPehreemao)
PEPehreemao)
Ra i
At ehre
Rea
BST
Wie
Wiereoey
Read wth
Auto Precharge (wrte recovery)
Auto Precharge
Write
Read (write recovery)
P
CKE
CKE
Automatic sequence
Manual input
Note: After the AUTO refresh operation, precharge operation is
performed automatically and enter the IDLE state
SELFenry
SELFext
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