CY7C1009-15VCT(1998) Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1009-15VCT Datasheet PDF : 11 Pages
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Switching Waveforms (continued)
Write Cycle No. 3 (WE Controlled, OE LOW)[14]
ADDRESS
CE1
tWC
tSCE
CE2
tSA
WE
tSCE
tAW
tPWE
DATA I/O
NOTE 15
tHZWE
tSD
DATA VALID
Note:
15. During this period the I/Os are in the output state and input signals should not be applied.
Truth Table
CE1 CE2 OE WE
I/O0 – I/O7
H
X
X
X High Z
X
L
X
X High Z
L
H
L
H Data Out
L
H
X
L Data In
L
H
H
H High Z
Mode
Power-Down
Power-Down
Read
Write
Selected, Outputs Disabled
CY7C109
CY7C1009
tHA
tHD
tLZWE
109–9
Power
Standby (ISB)
Standby (ISB)
Active (ICC)
Active (ICC)
Active (ICC)
8
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