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CY62157E MoBL®
Document #: 38-05695 Rev. *E
Page 6 of 12
Switching Waveforms
Read Cycle No. 1 (Address Transition Controlled)[17, 18]
Figure 3. Read Cycle No. 1
Read Cycle No. 2 (OE Controlled)[18, 19]
Figure 4. Read Cycle No. 2
PREVIOUS DATA VALID
DATA VALID
RC
tAA
tOHA
tRC
ADDRESS
DATA OUT
50%
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tPD
tHZBE
tLZBE
tHZCE
tDBE
OE
CE1
ADDRESS
CE2
BHE/BLE
DATA OUT
VCC
SUPPLY
CURRENT
HIGH
ICC
ISB
IMPEDANCE
Notes
17. The device is continuously selected. OE, CE1 = VIL, BHE, BLE or both = VIL, and CE2 = VIH.
18. WE is HIGH for read cycle.
19. Address valid before or similar to CE1, BHE, BLE transition LOW and CE2 transition HIGH.
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