CY7C1292DV18
CY7C1294DV18
Switching Waveforms[27, 28, 29]
Read/Write/Deselect Sequence
READ | WRITE | READ | WRITE | READ | WRITE | NOP |
1 | 2 | 3 | 4 | 5 | 6 | 7 |
WRITE NOP
8 9 10
K
tKH
K
RPS
WPS
A | A0 |
tSA
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tSC tHC
A2 | A3 |
tSA tHA
A6
D D10 | D11 |
| D30 | D50 | D51 |
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| tSD |
| tSD | tHD |
Q |
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| Q00 | Q01 | Q20 |
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| tCLZ |
| tCQDOH | |
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| tDOH |
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| tKHCH | tKL | tCO |
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CtKH
tKHCH | tKHKH |
| tCYC | |
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C
tCCQO
tCQOH 
CQ
tCCQO
tCQOH 
CQ
D61
Q21 
Q40
tCQD
CARE
Q41
tCHZ
UNDEFINED
Notes:
27.Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0, i.e., A0 + 1.
28.Output are disabled
29.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 20 of 23 |
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