CY7C1471BV33
CY7C1473BV33, CY7C1475BV33
Switching Waveforms
Figure 5 shows read-write timing waveform.[20, 21, 22]
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| Figure 5. Read/Write Timing |
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1 |
| 2 | tCYC 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
CLK |
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tCENS | tCENH | tCH | tCL |
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CEN |
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tCES | tCEH |
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CE 
ADV/LD 
W E 
BW X 
ADDRESS 
A1 
A2
| tAS tAH |
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DQ |
| D(A1) |
| tDS | tDH |
OE |
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COM M AND | W RITE | W RITE |
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| D(A1) | D(A2) |
| A3 | A4 |
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| A5 | A6 | A7 |
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| tCDV |
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| tCLZ | tDOH | tOEV | tCHZ |
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D(A2) | D(A2+1) | Q(A3) | Q(A4) |
| Q(A4+1) | D(A5) | Q(A6) | D(A7) |
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| tOEHZ |
| tDOH |
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| tOELZ |
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BURST | READ | READ | BURST |
| W RITE | READ | W RITE | DESELECT |
W RITE | Q(A3) | Q(A4) | READ |
| D(A5) | Q(A6) | D(A7) |
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D(A2+1) |
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| Q(A4+1) |
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DON’T CARE 
UNDEFINED
Notes
20.For this waveform ZZ is tied LOW.
21.When CE is LOW, CE1 is LOW, CE2 is HIGH, and CE3 is LOW. When CE is HIGH, CE1 is HIGH, CE2 is LOW or CE3 is HIGH.
22.Order of the Burst sequence is determined by the status of the MODE (0 = Linear, 1 = Interleaved). Burst operations are optional.
Document #: | Page 25 of 32 |
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