Cypress CY62158E Computer Hardware User Manual


 
CY62158E MoBL
®
Document #: 38-05684 Rev. *D Page 8 of 10
Figure 8 shows WE controlled, OE LOW write cycle waveforms.
[17]
Figure 8. Write Cycle No. 3
Truth Table
CE
1
CE
2
WE OE Inputs/Outputs Mode Power
H X X X High Z Deselect/Power Down Standby (I
SB
)
X L X X High Z Deselect/Power Down Standby (I
SB
)
L H H L Data Out Read Active (I
CC
)
L H H H High Z Output Disabled Active (I
CC
)
L H L X Data in Write Active (I
CC
)
Ordering Information
Speed
(ns) Ordering Code
Package
Diagram
Package Type
Operating
Range
45 CY62158ELL-45ZSXI 51-85087 44-Pin TSOP II (Pb-free) Industrial
Switching Waveforms (continued)
VALID DATA
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
NOTE 18
CE
1
ADDRESS
CE
2
WE
DATA IO
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