參數(shù)資料
型號(hào): CY7C1486V25-200BGC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類(lèi): DRAM
英文描述: 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sync SRAM
中文描述: 1M X 72 CACHE SRAM, 3 ns, PBGA209
封裝: 14 X 22 MM, 1.76 MM HEIGHT, FBGA-209
文件頁(yè)數(shù): 10/31頁(yè)
文件大小: 530K
代理商: CY7C1486V25-200BGC
CY7C1480V25
CY7C1482V25
CY7C1486V25
Document #: 38-05282 Rev. *G
Page 10 of 31
WRITE Cycle, Begin Burst
READ Cycle, Begin Burst
READ Cycle, Begin Burst
READ Cycle, Continue Burst
READ Cycle, Continue Burst
READ Cycle, Continue Burst
READ Cycle, Continue Burst
WRITE Cycle, Continue Burst
WRITE Cycle, Continue Burst
READ Cycle, Suspend Burst
READ Cycle, Suspend Burst
READ Cycle, Suspend Burst
READ Cycle, Suspend Burst
WRITE Cycle, Suspend Burst
WRITE Cycle, Suspend Burst
External
External
External
Next
Next
Next
Next
Next
Next
Current
Current
Current
Current
Current
Current
L
L
L
X
X
H
H
X
H
X
X
H
H
X
H
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
X
X
H
X
H
H
X
X
H
X
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
L
H
H
H
H
H
H
L
H
H
H
H
H
H
L
L
H
H
H
H
L
L
X
L
H
L
H
L
H
X
X
L
H
L
H
X
X
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
D
Q
Tri-State
Q
Tri-State
Q
Tri-State
D
D
Q
Tri-State
Q
Tri-State
D
D
Truth Table for Read/Write
[4]
Function (CY7C1480V25)
GW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
BWE
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
BW
D
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
X
BW
C
X
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
X
BW
B
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
X
BW
A
X
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
X
Read
Read
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
Write All Bytes
Truth Table
[2, 3, 4, 5, 6]
(continued)
Operation
Add. Used
CE
1
CE
2
CE
3
ZZ
ADSP
ADSC
ADV
WRITE
OE CLK
DQ
[+] Feedback
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