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CY62157CV30/33
Document #: 38-05014 Rev. *F Page 7 of 13
Switching Waveforms
Read Cycle No. 1 (Address Transition Controlled)
[15, 16]
Read Cycle No. 2 (OE Controlled)
[16, 17]
Notes:
15.Device is continuously selected. OE
, CE
1
= V
IL
, BHE and/or BLE = V
IL
, CE
2
= V
IH
.
16.WE
is HIGH for Read cycle.
17.Address valid prior to or coincident with CE
1
, BHE, BLE transition LOW and CE
2
transition HIGH.
ADDRESS
DATA OUT PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
HIGH IMPEDANCE
t
HZOE
t
HZCE
t
PD
HIGH
OE
CE
1
I
CC
I
SB
IMPEDANCE
ADDRESS
CE
2
DATA OUT
V
CC
SUPPLY
CURRENT
BHE/BLE
t
LZBE
t
HZBE
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