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參數(shù)資料
| 型號(hào)： | MSC23S2720E-8BS9 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 2,097,152 Word x72 Bit Synchronous Dynamic RAM Module (2BANK)(2M字×72位同步動(dòng)態(tài)RAM模塊) |
| 中文描述： | 2097152字x72位同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器模塊（2BANK）（200萬字× 72位同步動(dòng)態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 10/11頁 |
| 文件大?。?/td> | 73K |
| 代理商： | MSC23S2720E-8BS9 |
MSC23S2720E-8BS9 (98.08.31)
Page 10/11
FUNCTION TRUTH TABLE (Table1)(2/2)
Current State
/CS
/RAS
/CAS
Precharge
H
X
L
H
L
H
L
H
L
L
L
L
L
L
Write
H
X
Recovery
L
H
L
H
L
H
L
L
L
L
L
L
Row Active
H
X
L
H
L
H
L
H
L
L
L
L
L
L
Refresh
H
X
L
H
L
H
L
L
L
L
Mode Resister
H
X
Access
L
H
L
H
L
H
L
L
/WE
X
H
L
X
H
L
X
X
H
L
X
H
L
X
X
H
L
X
H
L
X
X
X
X
X
X
X
H
L
X
X
BA
X
X
BA
BA
BA
BA
X
X
X
BA
BA
BA
BA
X
X
X
BA
BA
BA
BA
X
X
X
X
X
X
X
X
X
X
X
ADDR
X
X
X
CA
RA
A10
X
X
X
X
CA
RA
A10
X
X
X
X
CA
RA
A10
X
X
X
X
X
X
X
X
X
X
X
Action
X
H
H
L
H
H
L
X
H
H
L
H
H
L
X
H
H
L
H
H
L
X
H
L
H
L
X
H
H
L
X
NOP
Idle after t
RP
NOP
Idle after t
RP
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
NOP
4
ILLEGAL
NOP
NOP
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
NOP Row Active after t
RCD
NOP Row Active after t
RCD
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
NOP
Idle after t
RC
NOP
Idle after t
RC
ILLEGAL
ILLEGAL
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
ABBREVIATIONS
RA = Row Address
CA = Column Address AP = Auto Precharge
BA = Bank Address
NOP = No Operation command
Notes:
1.
All inputs will be enabled when CKE is set high for at least 1 cycle prior to the inputs.
2.
Illegal to bank in specified state, but may be legal in some cases depending on the state of
bank selection.
3.
Satisfy the timing of t
CCD
and t
WR
to prevent bus contention.
4.
NOP to bank precharging or in idle state. Precharges activated bank by BA or A10.
5.
Illegal if any bank is not idle.
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| MSC23S4641E | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304 Word x 64 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| MSC23S4641E-8BS16 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304 Word x 64 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| MSC23S4721E | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| MSC23S4721E-8BS18 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK): |
| MSC23T | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:1,048,576-Word x 72-Bit DRAM MODULE : FAST PAGE MODE TYPE |
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