Cypress CY62157ESL - Manual (Page 7)

CY62157ESL MoBL
®
Document #: 001-43141 Rev. ** Page 7 of 12
Switching Waveforms
Figure 2. Read Cycle No.1: Address Transition Controlled. [14, 15]
Figure 3. Read Cycle No. 2: OE Controlled
[15, 16]
PREVIOUS DATA VALID DATA VALID
RC
t
AA
t
OHA
t
RC
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
14. The device is continuously selected. OE, CE = V
IL
, BHE, BLE, or both = V
IL
.
15. WE is HIGH for read cycle.
16. Address valid before or similar to CE, BHE, BLE transition LOW.
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