CY7C1021CV26 Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1021CV26 Datasheet PDF : 16 Pages
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CY7C1021CV26
Switching Waveforms (continued)
Figure 8. Write Cycle No. 3 (WE Controlled, LOW)
ADDRESS
OE
tWC
CE
tSA
WE
BHE, BLE
DATA I/O
tSCE
tAW
tPWE
tBW
tHZWE
tSD
tHA
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 Number: 38-05589 Rev. *F
Page 10 of 16
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