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CY7C1021
Document #: 38-05054 Rev. **
Page 4 of 9
Switching Waveforms
Notes:
9.
Device is continuously selected. OE, CE, BHE and/or BHE = VIL.
10. WE is HIGH for read cycle.
11. Address valid prior to or coincident with CE transition LOW.
Read Cycle No. 1
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
1021-5
ADDRESS
DATA OUT
[9, 10]
Read Cycle No. 2 (OE Controlled)
1021-6
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tHZBE
tPD
HIGH
OE
CE
ICC
ISB
IMPEDANCE
ADDRESS
DATA OUT
VCC
SUPPLY
tDBE
tLZBE
tHZCE
BHE, BLE
[10, 11]
CURRENT
ICC
ISB