CY7C460A 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C460A Datasheet PDF : 15 Pages
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CY7C460A/CY7C462A
CY7C464A/CY7C466A
Switching Waveforms[7]
Asynchronous Read and Write
tRC
tA
tRR
R
tPR
tA
Q0−Q 8
W
D0−D 8
tLZR
tPW
tDVR
DATA VALID
tWC
tWR
tSD
tHD
DATA VALID
tHZR
DATA VALID
tPW
tSD
tHD
DATA VALID
Master Reset
MR
R, W [9]
EF
HF
FF
tMRSC [10]
tPMR
tEFL
tHFH
tFFH
tRPW
tWPW
tRMR
C460A–7
C460A–8
Half Full Flag
W
R
HF
HALF FULL
tWHF
HALF FULL+1
HALF FULL
tRHF
C460A–9
Notes:
8. A HIGH-to-LOW transition of either the write or read strobe causes a HIGH-to-LOW transition of the responding flag. Correspondingly, a LOW-to-HIGH strobe
transition causes a LOW-to-HIGH flag transition.
9. W and R = VIH around the rising edge of MR.
10. tMSRC = t PMR + t RMR
Document #: 38-06011 Rev. *A
Page 5 of 15
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