CY7C1399-12ZI Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1399-12ZI Datasheet PDF : 8 Pages
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Switching Waveforms (continued)
Write Cycle No. 1 (WE Controlled)[8, 13, 14]
tWC
ADDRESS
CE
tAW
tHA
tSA
WE
tPWE
OE
DATA I/O
NOTE 15
tHZOE
Write Cycle No. 2 (CE Controlled)[8, 13, 14]
ADDRESS
CE
tSA
WE
DATA I/O
tSD
DATAIN VALID
tWC
tAW
tSCE
tSD
DATAIN VALID
Write Cycle No. 3 (WE Controlled, OE LOW)[9, 14]
tWC
ADDRESS
CE
tAW
tSA
WE
DATA I/O
NOTE 15
tHZWE
tSD
DATA IN VALID
Notes:
13. Data I/O is high impedance if OE = VIH.
14. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
15. During this period, the I/Os are in the output state and input signals shold not be applied.
tHD
tHA
tHD
tHA
tHD
tLZWE
CY7C1399
C1399–8
C1399–9
C1399–10
6
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