CY62146DV30Document #: 38-05339 Rev. *A Page 6 of 11
Switching Waveforms
Read Cycle 1 (Address Transition Controlled)[16, 17]
Read Cycle No. 2 (OE Controlled)[17, 18]
Notes:
16.The device is continuously selected. OE, CE = VIL, BHE and/or BLE = VIL.
17.WE is HIGH for read cycle.
18.Address valid prior to or coincident with CE and BHE, BLE transition LOW.
ADDRESS
DATA OUT PREVIOUS DATA VALID DATA VALID
tRC
tAA
tOHA
50%
50%
DATA VALID
t
RC
t
ACE
t
LZBE
t
LZCE
t
PU
DATA OUT HIGH IMPEDANCE IMPEDANCE
I
CC
I
SB
t
HZOE
t
HZCE
t
PD
OE
CE
HIGH
V
CC
SUPPLY
CURRENT
t
HZBE
BHE/BLE t
LZOE
ADDRESS
t
DBE
t
DOE
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