參數(shù)資料
型號(hào): CY7C1464AV25
廠商: Cypress Semiconductor Corp.
英文描述: 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM)
中文描述: 36兆位(1米x 36/2M x 18/512K × 72)流水線的SRAM架構(gòu)的總線延遲(帶總線延遲結(jié)構(gòu)的36兆位(1米x 36/2M x 18/512K × 72)流水線的SRAM)
文件頁(yè)數(shù): 9/27頁(yè)
文件大小: 465K
代理商: CY7C1464AV25
CY7C1460AV25
CY7C1462AV25
CY7C1464AV25
Document #: 38-05354 Rev. *D
Page 9 of 27
Partial Write Cycle Description
[1, 2, 3, 8]
Function (CY7C1460AV25)
WE
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
BW
d
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
BW
c
X
H
H
H
H
L
L
LL
L
H
H
H
H
L
L
L
L
BW
b
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
BW
a
X
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
Read
Write – No bytes written
Write Byte a – (DQ
a
and
DQP
a
)
Write Byte b – (DQ
b
and
DQP
b
)
Write Bytes b, a
Write Byte c – (DQ
c
and
DQP
c
)
Write Bytes c, a
Write Bytes c, b
Write Bytes c, b, a
Write Byte d – (DQ
d
and
DQP
d
)
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
Function (CY7C1462AV25)
WE
H
L
L
L
L
BW
b
X
H
H
L
L
BW
a
X
H
L
H
L
Read
Write – No Bytes Written
Write Byte a – (DQ
a
and
DQP
a
)
Write Byte b – (DQ
b
and
DQP
b
)
Write Both Bytes
Function (CY7C1464AV25)
WE
H
L
L
L
BW
x
X
H
L
Read
Write – No Bytes Written
Write Byte X
(DQ
x
and
DQP
x)
Write All Bytes
All BW = L
Note:
8. Table only lists a partial listing of the byte write combinations. Any combination of BW
X
is valid. Appropriate write will be done based on which byte write is active.
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CY7C1462AV25 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM)
CY7C1460AV33 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM)
CY7C1464AV33 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM)
CY7C1462AV33 36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL Architecture(帶NoBL結(jié)構(gòu)的36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM)
CY7C1472V33-167AXI 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined SRAM with NoBL Architecture
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