Cypress CY62147EV30 Manual De Usuario

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 CY62147EV30 MoBL
®
Document #: 38-05440 Rev. *G
Page 6 of 13
Switching Waveforms
Figure 6.  Read Cycle No. 1 (Address Transition Controlled)
Figure 7.  Read Cycle No. 2 (OE Controlled)
PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
ADDRESS
DATA OUT
50%
50%
DATA VALID
t
RC
t
ACE
t
LZBE
t
LZCE
t
PU
HIGH IMPEDANCE
I
CC
t
HZOE
t
HZCE
t
PD
t
HZBE
t
LZOE
t
DBE
t
DOE
IMPEDANCE
HIGH 
I
SB
DATA OUT
OE
CE
V
CC
SUPPLY
CURRENT
BHE/BLE
ADDRESS
Notes
17. The device is continuously selected. OE, CE
 
= V
IL
, BHE, BLE, or both = V
IL
.
18. WE is HIGH for read cycle.
19. Address valid before or similar to CE and BHE, BLE transition LOW.