Switching Waveforms (continued)
Write Cycle No. 1 (CE Controlled)[16, 17]
ADDRESS
tSA
CE
WE
BHE, BLE
DATA I/O
tWC
tSCE
tAW
tPWE
tBW
tSD
Write Cycle No. 2 (BLE or BHE Controlled)
tWC
ADDRESS
BHE, BLE
WE
CE
DATA I/O
tSA
tBW
tAW
tPWE
tSCE
tSD
Notes:
16. Data I/O is high impedance if OE or BHE and/or BLE= VIH.
17. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
CY7C1021CV33
tHA
tHD
tHA
tHD
Document #: 38-05132 Rev. *G
Page 8 of 13
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