CY7C1470V33-167BZXC Cypress Semiconductor Corp, CY7C1470V33-167BZXC Datasheet - Page 10

• Manufacturer Part Number: CY7C1470V33-167BZXC
• Description: IC SRAM 72MBIT 167MHZ 165LFBGA
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1470V33-167BZXC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 72M (2M x 36)
• Speed: 167MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 165-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Partial Write Cycle Description
The Partial Write Cycle Description for parts CY7C1470V33/CY7C1472V33/CY7C1474V33 is as follows.
Document #: 38-05289 Rev. *J
Read
Write – No bytes written
Write Byte a – (DQ
Write Byte b – (DQ
Write Bytes b, a
Write Byte c – (DQ
Write Bytes c, a
Write Bytes c, b
Write Bytes c, b, a
Write Byte d – (DQ
Write Bytes d, a
Write Bytes d, b
Write Bytes d, b, a
Write Bytes d, c
Write Bytes d, c, a
Write Bytes d, c, b
Write All Bytes
Read
Write – No Bytes Written
Write Byte a – (DQ
Write Byte b – (DQ
Write Both Bytes
Read
Write – No Bytes Written
Write Byte X − (DQ
Write All Bytes
Note
8. Table only lists a partial listing of the Byte Write combinations. Any combination of BW
active.
Function (CY7C1470V33)
c
a
b
d
a
b
x
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
Function (CY7C1472V33)
Function (CY7C1474V33)
c
a
d
a
b
x)
b
)
)
)
)
)
)
WE
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
[a:d]
BW
is valid. Appropriate Write will be done based on which Byte Write is
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
d
WE
H
L
L
L
L
WE
BW
H
L
L
L
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
c
BW
H
H
x
L
L
b
BW
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
[1, 2, 3, 8]
b
CY7C1470V33
CY7C1472V33
CY7C1474V33
All BW = L
BW
BW
H
H
H
x
L
L
x
L
Page 10 of 30
BW
a
x
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
a
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