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CYK256K16SCBU-70BVXI

P1-P3P4-P6P7-P9P10-P10
CYK256K16SCCB
Document #: 38-05526 Rev. *H Page 7 of 10
Write Cycle 2 (CE
1
or CE
2
Controlled)
[12, 13, 17, 18, 19]
Write Cycle 3 (WE Controlled, OE LOW)
[18, 19]
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
HA
t
AW
t
SCE
t
WC
t
HZOE
VALID DATA
CE
1
ADDRESS
CE
2
WE
DATA I/O
OE
DON’T CARE
BHE/BLE
t
BW
t
SA
VALID DATA
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
CE
1
ADDRESS
CE
2
WE
DATAI/O
t
BW
BHE/BLE
DON’T CARE
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CYK256K16SCCB
Document #: 38-05526 Rev. *H Page 8 of 10
Write Cycle No. 4 (BHE/BLE Controlled, OE LOW)
[18, 19]
Truth Table
[20]
CE
1
CE
2
WE OE BHE BLE Inputs/Outputs Mode Power
HXXXXXHigh Z Deselect/Power-down Standby (I
SB
)
X L X X X X High Z Deselect/Power-down Standby (I
SB
)
X X X X H H High Z Deselect/Power-down Standby (I
SB
)
L H H L L L Data Out (I/O
0
–I/O
15
) Read (Upper Byte and Lower
Byte)
Active (I
CC
)
LHHLHLData Out (I/O
0
–I/O
7
);
I/O
8
–I/O
15
in High Z
Read (Upper Byte only) Active (I
CC
)
L H H L L H Data Out (I/O
8
–I/O
15
);
I/O
0
–I/O
7
in High Z
Read (Lower Byte only) Active (I
CC
)
L H H H L L High Z Output Disabled Active (I
CC
)
LHHHHLHigh Z Output Disabled Active (I
CC
)
L H H H L H High Z Output Disabled Active (I
CC
)
L H L X L L Data In (I/O
0
–I/O
15
) Write (Upper Byte and Lower
Byte)
Active (I
CC
)
L H L X H L Data In (I/O
0
–I/O
7
);
I/O
8
–I/O
15
in High Z
Write (Lower Byte Only) Active (I
CC
)
L H L X L H Data In (I/O
8
–I/O
15
);
I/O
0
–I/O
7
in High Z
Write (Upper Byte Only) Active (I
CC
)
Switching Waveforms (continued)
DATA I/O
A
DDRESS
t
HD
t
SD
t
SA
t
HA
t
AW
t
WC
CE
1
WE
VALID DATA
tBW
BH E/BLE
t
SCE
CE
2
tPWE
DON’T CARE
t
HD
Note:
20.H = Logic HIGH, L = Logic LOW, X = Don’t Care.
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CYK256K16SCCB
Document #: 38-05526 Rev. *H Page 9 of 10
© Cypress Semiconductor Corporation, 2006. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be
used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its
products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress
products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.
MoBL is a registered trademark, and MoBL3 and More Battery Life are trademarks, of Cypress Semiconductor Corporation. All
product and company names mentioned in this document are the trademarks of their respective holders.
Ordering Information
Speed
(ns) Ordering Code
Package
Diagram Package Type
Operating
Range
55 CYK256K16SCCBU-55BVI 51-85150 48-ball Very Fine Pitch BGA (6.0 x 8.0 x 1.0 mm) Industrial
CYK256K16SCBU-55BVXI 48-ball Very Fine Pitch BGA (6.0 x 8.0 x 1.0 mm) (Pb-Free)
60 CYK256K16SCCBU-60BVI 51-85150 48-ball Very Fine Pitch BGA (6.0 x 8.0 x 1.0 mm) Industrial
70 CYK256K16SCCBU-70BVI 51-85150 48-ball Very Fine Pitch BGA (6.0 x 8.0 x 1.0 mm) Industrial
CYK256K16SCBU-70BVXI 48-ball Very Fine Pitch BGA (6.0 x 8.0 x 1.0 mm) (Pb-Free)
Package Diagram
A
1
A1 CORNER
0.75
0.75
Ø0.30±0.05(48X)
Ø0.25 M C A B
Ø0.05 M C
B
A
0.15(4X)
0.21±0.05
1.00 MAX
C
SEATING PLANE
0.55 MAX.
0.25 C
0.10 C
A1 CORNER
TOP VIEW
BOTTOM VIEW
234
3.75
5.25
B
C
D
E
F
G
H
65
465231
D
H
F
G
E
C
B
A
6.00±0.10
8.00±0.10
A
8.00±0.10
6.00±0.10
B
1.875
2.625
0.26 MAX.
48-ball VFBGA (6 x 8 x 1 mm) (51-85150)
51-85150-*D
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CYK256K16SCBU-70BVXI

Mfr. #:
Buy CYK256K16SCBU-70BVXI
Manufacturer:
Cypress Semiconductor
Description:
IC PSRAM 4M PARALLEL 48VFBGA
Lifecycle:
New from this manufacturer.
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