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參數(shù)資料
| 型號： | GS8171DW72AGC-250 |
| 廠商： | GSI TECHNOLOGY |
| 元件分類： | SRAM |
| 英文描述： | 256K X 72 STANDARD SRAM, 2.1 ns, PBGA209 |
| 封裝： | 14 X 22 MM, 1 MM PITCH, LEAD FREE, BGA-209 |
| 文件頁數(shù)： | 29/33頁 |
| 文件大?。?/td> | 1041K |
| 代理商： | GS8171DW72AGC-250 |
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GS8171DW36/72AC-350/333/300/250
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.04 4/2005
5/33
2003, GSI Technology
Read Operations
Pipelined Read
Read operation is initiated when the following conditions are satisfied at the rising edge of clock: All three chip enables (E1, E2,
and E3) are active, the write enable input signal (W) is deasserted high, and ADV is asserted low. The address presented to the
address inputs is latched into the address register and presented to the memory core and control logic. The control logic determines
that a read access is in progress and allows the requested data to propagate to the input of the output register. At the next rising edge
of clock the read data is allowed to propagate through the output register and onto the output pins.
Write Operations
Write operation occurs when the following conditions are satisfied at the rising edge of clock: All three chip enables (E1, E2, and
E3) are active, the write enable input signal (W) is asserted low, and ADV is asserted low.
Single Data Rate Pipelined Read
F
D
Address
Read
CK
E
QC
QD
CQ
Read
Deselect
Read
AXX
C
Key
Hi-Z
Access
ADV
QA
/E1
/W
DQ
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PDF描述 |
|---|---|
| GS8171DW72AGC-350IT | 256K X 72 STANDARD SRAM, 1.7 ns, PBGA209 |
| GS820H32GT-138I | 64K X 32 CACHE SRAM, 9.7 ns, PQFP100 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS8171DW72AGC-300 | 制造商:GSI Technology 功能描述:SRAM SYNC OCTAL 1.8V 18MBIT 256KX72 1.8NS 209FBGA - Trays |
| GS8171DW72AGC-333 | 制造商:GSI Technology 功能描述:SRAM SYNC OCTAL 1.8V 18MBIT 256KX72 1.8NS 209FBGA - Trays |
| GS8171DW72AGC-350 | 制造商:GSI Technology 功能描述:SRAM SYNC OCTAL 1.8V 18MBIT 256KX72 1.7NS 209FBGA - Trays |
| GS8171DW72AGC-350I | 制造商:GSI Technology 功能描述:SRAM SYNC OCTAL 1.8V 18MBIT 256KX72 1.7NS 209FBGA - Trays |
| GS8180Q36D-167X | 制造商:GSI Technology 功能描述:512K X 36 (18 MEG)SIGMA QUAD I -SEPERATE I/O BURST OF 2 - Trays |
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