CY7C1021DV33-10BVXI Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY7C1021DV33-10BVXI Datasheet PDF : 13 Pages
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CY7C1021DV33
Switching Waveforms (continued)
Write Cycle No. 3 (WE Controlled, OE LOW)
tWC
ADDRESS
tSCE
CE
tAW
tSA
tPWE
tHA
WE
tBW
BHE, BLE
DATA I/O
tHZWE
tSD
tHD
tLZWE
Truth Table
CE OE WE BLE BHE
I/O0–I/O7
H X XX
X
High-Z
L L HL
L
Data Out
L
H
Data Out
H
L
High-Z
L X LL
L
Data In
L
H
Data In
H
L
High-Z
L H HX
X
High-Z
L X XH
H
High-Z
I/O8–I/O15
High-Z
Data Out
High-Z
Data Out
Data In
High-Z
Data In
High-Z
High-Z
Mode
Power-down
Read – All bits
Read – Lower bits only
Read – Upper bits only
Write – All bits
Write – Lower bits only
Write – Upper bits only
Selected, Outputs Disabled
Selected, Outputs Disabled
Power
Standby (ISB)
Active (ICC)
Active (ICC)
Active (ICC)
Active (ICC)
Active (ICC)
Active (ICC)
Active (ICC)
Active (ICC)
Document #: 38-05460 Rev. *F
Page 8 of 13
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