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CY7C199
Document #: 38-05160 Rev. *A
Page 6 of 13
Write Cycle No. 1 (WE Controlled)[10, 15, 16]
Write Cycle No. 2 (CE Controlled)[10, 15, 16]
Write Cycle No. 3 (WE Controlled OE LOW)[11, 16]
Notes:
15. Data I/O is high impedance if OE = VIH.
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Switching Waveforms (continued)
tHD
tSD
tPWE
tSA
tHA
tAW
tWC
DATA I/O
ADDRESS
CE
WE
OE
tHZOE
DATAIN VALID
tWC
tAW
tSA
tHA
tHD
tSD
tSCE
WE
DATA I/O
ADDRESS
CE
DATA IN VALID
DATA I/O
ADDRESS
tHD
tSD
tLZWE
tSA
tHA
tAW
tWC
CE
WE
tHZWE
DATAIN VALID