
CY62167E MoBL®
Switching Waveforms (continued)
Figure 3 shows WE controlled write cycle waveforms.[17, 21, 22]
Figure 3. Write Cycle No. 1
|
| tWC |
ADDRESS |
|
|
|
| tSCE |
CE1 |
|
|
CE2 |
|
|
| tAW | tHA |
WE | tSA | tPWE |
|
| |
BHE/BLE |
| tBW |
|
| |
OE |
| tHD |
|
| tSD |
DATA IO | NOTE 23 | VALID DATA |
| tHZOE |
|
Notes
21.Data IO is high impedance if OE = VIH.
22.If CE1 goes HIGH and CE2 goes LOW simultaneously with WE = VIH, the output remains in a high impedance state.
23.During this period the IOs are in output state and input signals must not be applied.
Document #: | Page 7 of 12 |
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