Switching Waveforms (continued)
Write Cycle No. 1 (CE Controlled)[12, 13]
ADDRESS
CE
tSA
WE
DATA I/O
tWC
tSCE
tSCE
tAW
tPWE
tSD
DATA VALID
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)[12, 13]
CY7C1018V33
CY7C1019V33
tHA
tHD
1019V33–8
ADDRESS
CE
WE
tWC
tSCE
tAW
tSA
tPWE
OE
DATA I/O
NOTE 14
tHZOE
tSD
DATAIN VALID
Notes:
12. Data I/O is high impedance if OE = VIH.
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
14. During this period the I/Os are in the output state and input signals should not be applied.
tHA
tHD
1019V33–98
Document #: 38-05150 Rev. **
Page 5 of 8