參數(shù)資料
型號(hào)： 71V25781YSA166BGI
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： SRAM
英文描述： 256K X 18 CACHE SRAM, 3.5 ns, PBGA119
封裝： BGA-119
文件頁數(shù)： 2/22頁
文件大?。?/td> 627K
代理商： 71V25781YSA166BGI
6.42
10
IDT71V25761, IDT71V25781, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
2.5V I/O, Pipelined Outputs, Burst Counter, Single Cycle Deselect
Commercial and Industrial Temperature Ranges
Synchronous Truth Table(1,3)
NOTES:
1. L = VIL, H = VIH, X = Don’t Care.
2.
OE is an asynchronous input.
3. ZZ = low for this table.
Operation
Address
Used
CE
CS0
CS1
ADSP
ADSC
ADV
GW
BWE
BWx
OE
(2)
CLK
I/O
Deselected Cycle, Power Down
None
H
XX
X
L
XXXXX
-
HI-Z
Deselected Cycle, Power Down
None
L
X
H
L
X
XXXXX
-
HI-Z
Deselected Cycle, Power Down
None
L
X
L
X
XXXXX
-
HI-Z
Deselected Cycle, Power Down
None
L
X
H
X
L
XXXXX
-
HI-Z
Deselected Cycle, Power Down
None
L
X
L
XXXXX
-
HI-Z
Read Cycle, Begin Burst
External
L
H
L
X
XXXX
L
-
DOUT
Read Cycle, Begin Burst
External
L
H
L
X
XXXX
H
-
HI-Z
Read Cycle, Begin Burst
External
L
H
L
H
L
X
H
X
L
-
DOUT
Read Cycle, Begin Burst
External
L
H
L
H
L
X
H
L
H
L
-
DOUT
Read Cycle, Begin Burst
External
L
H
L
H
L
X
H
L
H
-
HI-Z
Write Cycle, Begin Burst
External
L
H
L
H
L
X
H
L
X
-
DIN
Write Cycle, Begin Burst
External
L
H
L
H
L
X
L
X
-
DIN
Read Cycle, Continue Burst
Next
X
H
L
H
X
L
-
DOUT
Read Cycle, Continue Burst
Next
X
H
L
H
X
H
-
HI-Z
Read Cycle, Continue Burst
Next
X
H
L
H
X
H
L
-
DOUT
Read Cycle, Continue Burst
Next
X
H
L
H
X
H
-
HI-Z
Read Cycle, Continue Burst
Next
H
X
H
L
H
X
L
-
DOUT
Read Cycle, Continue Burst
Next
H
X
H
L
H
X
H
-
HI-Z
Read Cycle, Continue Burst
Next
H
X
H
L
H
X
H
L
-
DOUT
Read Cycle, Continue Burst
Next
H
X
H
L
H
X
H
-
HI-Z
Write Cycle, Continue Burst
Next
X
H
L
H
L
X
-
DIN
Write Cycle, Continue Burst
Next
XXX
H
L
XXX
-
DIN
Write Cycle, Continue Burst
Next
H
X
H
L
H
L
X
-
DIN
Write Cycle, Continue Burst
Next
H
X
H
L
X
-
DIN
Read Cycle, Suspend Burst
Current
X
H
X
L
-
DOUT
Read Cycle, Suspend Burst
Current
X
H
X
H
-
HI-Z
Read Cycle, Suspend Burst
Current
X
H
X
H
L
-
DOUT
Read Cycle, Suspend Burst
Current
X
H
X
H
-
HI-Z
Read Cycle, Suspend Burst
Current
H
X
H
X
L
-
DOUT
Read Cycle, Suspend Burst
Current
H
X
H
X
H
-
HI-Z
Read Cycle, Suspend Burst
Current
H
X
H
X
H
L
-
DOUT
Read Cycle, Suspend Burst
Current
H
X
H
X
H
-
HI-Z
Write Cycle, Suspend Burst
Current
X
H
L
X
-
DIN
Write Cycle, Suspend Burst
Current
X
H
L
X
-
DIN
Write Cycle, Suspend Burst
Current
H
X
H
L
X
-
DIN
Write Cycle, Suspend Burst
Current
H
X
H
L
X
-
DIN
5297 tbl 11
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