CY7C1021DV33
Switching Waveforms
(continued)
Write Cycle No. 3 (WE Controlled, OE LOW)
t
WC
ADDRESS
t
SCE
CE
t
AW
t
SA
WE
t
BW
BHE, BLE
t
PWE
t
HA
t
HZWE
DATA I/O
t
SD
t
HD
t
LZWE
Truth Table
CE
H
L
OE
X
L
WE
X
H
BLE
X
L
L
H
L
X
L
L
L
H
L
L
H
X
H
X
X
H
BHE
X
L
H
L
L
H
L
X
H
I/O
0
–I/O
7
High-Z
Data Out
Data Out
High-Z
Data In
Data In
High-Z
High-Z
High-Z
I/O
8
–I/O
15
High-Z
Data Out
High-Z
Data Out
Data In
High-Z
Data In
High-Z
High-Z
Power-down
Read – All bits
Read – Lower bits only
Read – Upper bits only
Write – All bits
Write – Lower bits only
Write – Upper bits only
Selected, Outputs Disabled
Selected, Outputs Disabled
Mode
Power
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Ordering Information
Speed
(ns)
10
Ordering Code
CY7C1021DV33-10VXI
CY7C1021DV33-10ZSXI
CY7C1021DV33-10BVXI
10
12
CY7C1021DV33-10ZSXA
CY7C1021DV33-12ZSXE
Package
Name
51-85082
51-85087
51-85150
51-85087
51-85087
Package Type
44-pin (400-Mil) Molded SOJ (Pb-free)
44-pin TSOP Type II (Pb-free)
48-ball VFBGA (Pb-free)
44-pin TSOP Type II (Pb-free)
44-pin TSOP Type II (Pb-free)
Automotive-A
Automotive-E
Operating
Range
Industrial
Please contact your local Cypress sales representative for availability of these parts.
Document #: 38-05460 Rev. *D
Page 8 of 11
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