7 / 12 page
CY62157DV30
MoBL®
Document #: 38-05392 Rev. *E
Page 7 of 12
Notes:
23. Data I/O is high impedance if OE = VIH.
24. If CE1 goes HIGH and CE2 goes LOW simultaneously with WE = VIH, the output remains in a high-impedance state.
25. During this period, the I/Os are in output state and input signals should not be applied.
Switching Waveforms (continued)
tHD
tSD
tPWE
tSA
tHA
tAW
tSCE
tWC
tHZOE
VALID DATA
CE1
ADDRESS
CE2
WE
DATA I/O
OE
Write Cycle 1 (WE Controlled)
BHE
/BLE
tBW
[19, 23, 24, 25]
See note 24
tHD
tSD
tPWE
tHA
tAW
tSCE
tWC
tHZOE
VALID DATA
CE1
ADDRESS
CE2
WE
DATA I/O
OE
See note 24
Write Cycle 2 (CE1 or CE2 Controlled)
BHE/BLE
tBW
[19, 23, 24, 25]
tSA