CY7C1510JV18, CY7C1525JV18
CY7C1512JV18, CY7C1514JV18
Switching Waveforms
Figure 3. Read/Write/Deselect Sequence [25, 26, 27]
READ | WRITE | READ | WRITE | READ | WRITE | NOP |
1 | 2 | 3 | 4 | 5 | 6 | 7 |
WRITE NOP
89
10
K
tKH
K
RPS
WPS
AA0 
tSA
tKL |
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tSC | tHC |
A2 | A3 |
tSA tHA | |
A6
D D10 | D11 |
| D30 |
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Q |
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| tKHCH | tKL | tCO |
D50
Q00
D51
tSD 
tHD
Q01 
Q20
tDOH tCQDOH
D61
Q21 
Q40
tCQD
Q41
tCHZ
CtKH
tKHCH | tKHKH |
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C
tCCQO
tCQOH 
CQ
tCCQO
tCQOH 
tCQH
tCQHCQH
CQ
CARE
UNDEFINED
Notes
25.Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0, that is, A0+1.
26.Outputs are disabled
27.In this example, if address A2 = A1, then data Q20 = D10 and Q21 = D11. Write data is forwarded immediately as read results. This note applies to the whole diagram.
Document #: | Page 23 of 26 |
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