Cypress CY62138EV30 - Manual (Page 6)

CY62138EV30
MoBL
®
Document #: 38-05577 Rev. *A Page 6 of 9
Read Cycle No. 2 (OE Controlled)
[14, 15]
Write Cycle No. 1 (WE Controlled)
[16, 18]
Notes:
15. Address valid prior to or coincident with CE transition LOW.
16. Data I/O is high impedance if OE = V
IH
.
17. During this period, the I/Os are in output state and input signals should not be applied.
18. If CE goes HIGH simultaneously with WE HIGH, the output remains in high-impedance state.
Switching Waveforms (continued)
50% 50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
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
ADDRESS
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
WC
DATA I/O
ADDRESS
CE
WE
OE
t
HZOE
DATA
IN
VALID NOTE 17
t
SCE
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