Cypress Semiconductor CY62167EV30 Scheda tecnica - Pagina 6

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Switching Waveforms

Figure 5
shows address transition controlled read cycle waveforms.
ADDRESS
DATA OUT
PREVIOUS DATA VALID
Figure 6
shows OE controlled read cycle waveforms.
ADDRESS
CE
1
CE
2
BHE/BLE
OE
HIGH IMPEDANCE
DATA OUT
V
CC
SUPPLY
CURRENT
Notes
19. The device is continuously selected. OE, CE
20. WE is HIGH for read cycle.
21. Address valid before or similar to CE
Document #: 38-05446 Rev. *E
Figure 5. Read Cycle No. 1
t
AA
t
OHA
[20, 21]
Figure 6. Read Cycle No. 2
t
ACE
t
DBE
t
LZBE
t
DOE
t
LZOE
t
LZCE
t
PU
50%
= V
, BHE, BLE or both = V
1
IL
, BHE, BLE transition LOW and CE
1
[19, 20]
t
RC
RC
t
RC
DATA VALID
, and CE
= V
.
IL
2
IH
transition HIGH.
2
CY62167EV30 MoBL
DATA VALID
t
PD
t
HZCE
t
HZBE
t
HZOE
HIGH
IMPEDANCE
50%
Page 6 of 14
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