MS82V16520A-7GA 查看數據表（PDF） - Oki Electric Industry
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MS82V16520A-7GA Datasheet PDF : 40 Pages
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OKI Semiconductor
FEDS82V16520A-01
MS82V16520A
Function Truth Table (2/2)
Note 1
Current State CS RAS CAS WE BA Address
Action
Note
Read with Auto H × × × ×
×
NOP (Continue Burst to End and enter Row Precharge)
Precharge
(RAP)
L HHH ×
LHHL ×
×
NOP (Continue Burst to End and enter Row Precharge)
×
ILLEGAL
L H L H BA CA, A9 ILLEGAL
L H L L BA CA, A9 ILLEGAL
L L H H BA RA ILLEGAL
2
L L H L BA A9 ILLEGAL
2
LLL××
×
ILLEGAL
Write with Auto H × × × ×
Precharge
L HHH ×
(WAP)
LHHL ×
×
NOP (Continue Burst to End and enter Row Precharge)
×
NOP (Continue Burst to End and enter Row Precharge)
×
ILLEGAL
L H L H BA CA, A9 ILLEGAL
L H L L BA CA, A9 ILLEGAL
L L H H BA RA ILLEGAL
2
L L H L BA A9 ILLEGAL
2
LLL××
×
ILLEGAL
Precharging
(PRE)
H× × × ×
L HHH ×
×
NOP → Idle after tRP
×
NOP → Idle after tRP
L H H L BA
×
ILLEGAL
2
L H L × BA CA, A9 ILLEGAL
2
L L H H BA A9 ILLEGAL
2
L L H L BA
×
NOP
4
Refreshing
(REF)
H× × × ×
L HHH ×
LHHL ×
×
NOP → Idle after tRC
×
NOP → Idle after tRC
×
ILLEGAL
L H L × BA CA, A9 ILLEGAL
L L H H BA RA ILLEGAL
L L H L BA A9 ILLEGAL
LLL××
×
ILLEGAL
ABBREVIATIONS
BA = Bank Address
NOP = No Operation command
RA = Row Address
CA = Column Address
Notes: 1. All inputs are 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. To avoid bus contention, satisfy tCCD and tDPL.
4. NOP to bank precharging or in idle state. Precharges activated bank by BA or A9.
5. Illegal if any bank is not idle.
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