參數(shù)資料
型號(hào)： GS84118AT-133IT
廠商： GSI TECHNOLOGY
元件分類： SRAM
英文描述： 256K X 18 CACHE TAG SRAM, 11 ns, PQFP100
封裝： TQFP-100
文件頁(yè)數(shù)： 18/20頁(yè)
文件大?。?/td> 404K
代理商： GS84118AT-133IT
GS84118AT/B-166/150/130/100
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.02 4/2005
7/20
2001, GSI Technology
Notes:
1. X means “don’t care,” H means “l(fā)ogic high,” L means “l(fā)ogic low.”
2. Write is the logic function of GW, BWE, BW1, BW2. See Byte Write Function table for detail.
3. All inputs, except OE, must meet setup and hold on rising edge of CLK.
4. Suspending busrt generates a wait cycle.
5. ADSP LOW along with SRAM being selected always initiates a Read cycle at the L-H edge of the clock (CLK).
6. A Write cycle can only be performed by setting Write low for the clock L-H edge of the subsequent wait cycle.
Refer to page 12 for the Write timing diagram.
Synchronous Truth Table
Operation
Address Used
CE1 CE2 CE3 ADSP
ADSC
ADV
Write
OE CLK
DQ
Deselect Cycle, Power Down
none
H
X
L
X
L-H
High-Z
Deselect Cycle, Power Down
none
L
X
L
X
L-H
High-Z
Deselect Cycle, Power Down
none
L
X
H
L
X
L-H
High-Z
Deselect Cycle, Power Down
none
L
X
H
L
X
L-H
High-Z
Deselect Cycle, Power Down
none
L
X
H
L
X
L-H
High-Z
Read Cycle, Begin Burst
external
L
H
L
X
L
L-H
Q
Read Cycle, Begin Burst
external
L
H
L
X
H
L-H
High-Z
Read Cycle, Begin Burst
external
L
H
L
H
L
X
H
L
L-H
Q
Read Cycle, Begin Burst
external
L
H
L
H
L
X
H
L-H
High-Z
Write Cycle, Begin Burst
external
L
H
L
H
L
X
L
X
L-H
D
Read Cycle, Continue Burst
next
X
H
L
H
L
L-H
Q
Read Cycle, Continue Burst
next
X
H
L
H
L-H
High-Z
Read Cycle, Continue Burst
next
H
X
H
L
H
L
L-H
Q
Read Cycle, Continue Burst
next
H
X
H
L
H
L-H
High-Z
Write Cycle, Continue Burst
next
X
H
L
X
L-H
D
Write Cycle, Continue Burst
next
H
X
H
L
X
L-H
D
Read Cycle, Suspend Burst
current
X
H
L
L-H
Q
Read Cycle, Suspend Burst
current
X
H
L-H
High-Z
Read Cycle, Suspend Burst
current
H
X
H
L
L-H
Q
Read Cycle, Suspend Burst
current
H
X
H
L-H
High-Z
Write Cycle, Suspend Burst
current
X
H
L
X
L-H
D
Write Cycle, Suspend Burst
current
H
X
H
L
X
L-H
D
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GS84118AT-150 制造商:GSI 制造商全稱:GSI Technology 功能描述:256K x 18 Sync Cache Tag
GS84118AT-150I 制造商:GSI 制造商全稱:GSI Technology 功能描述:256K x 18 Sync Cache Tag
GS84118AT-166 制造商:GSI 制造商全稱:GSI Technology 功能描述:256K x 18 Sync Cache Tag
GS84118AT-166I 制造商:GSI 制造商全稱:GSI Technology 功能描述:256K x 18 Sync Cache Tag
GS84118B-100 制造商:GSI 制造商全稱:GSI Technology 功能描述:256K x 18 Sync Cache Tag
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