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參數資料
| 型號： | GS864218B-250IV |
| 廠商： | GSI TECHNOLOGY |
| 元件分類： | DRAM |
| 英文描述： | 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
| 中文描述： | 4M X 18 CACHE SRAM, 6.5 ns, PBGA119 |
| 封裝： | 14 X 22 MM, 1.27 MM PITCH, FPBGA-119 |
| 文件頁數： | 9/35頁 |
| 文件大小： | 934K |
| 代理商： | GS864218B-250IV |
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Mode Pin Functions
Mode Name
Pin Name
State
L
H
L
H or NC
L or NC
Function
Linear Burst
Interleaved Burst
Flow Through
Pipeline
Active
Standby, I
DD
= I
SB
Dual Cycle Deselect
Single Cycle Deselect
High Drive (Low Impedance)
Low Drive (High Impedance)
Burst Order Control
LBO
Output Register Control
FT
Power Down Control
ZZ
H
Single/Dual Cycle Deselect Control
SCD
L
H or NC
L
H or NC
FLXDrive Output Impedance Control
ZQ
Preliminary
GS864218/36/72(B/C)-xxxV
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.03 6/2006
9/35
2004, GSI Technology
Note:
There are pull-up devices on the ZQ, SCD, and FT pins and a pull-down device on the ZZ pin, so those input pins can be unconnected and the
chip will operate in the default states as specified in the above tables.
Note:
The burst counter wraps to initial state on the 5th clock.
Note:
The burst counter wraps to initial state on the 5th clock.
Linear Burst Sequence
A[1:0] A[1:0] A[1:0] A[1:0]
1st address
00
01
10
11
2nd address
01
10
11
00
3rd address
10
11
00
01
4th address
11
00
01
10
Interleaved Burst Sequence
A[1:0] A[1:0] A[1:0] A[1:0]
1st address
00
01
10
11
2nd address
01
00
11
10
3rd address
10
11
00
01
4th address
11
10
01
00
Burst Counter Sequences
BPR 1999.05.18
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| GS864218B-250V | 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
| GS864218B-V | 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
| GS864218GB-167IV | 4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| GS864218B-250M | 制造商:GSI Technology 功能描述:119 BGA - Bulk |
| GS864218B-250V | 制造商:GSI 制造商全稱:GSI Technology 功能描述:4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
| GS864218B-300 | 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 2.5V/3.3V 72MBIT 4MX18 5.5NS/2.3NS 119FBGA - Trays |
| GS864218B-300I | 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 2.5V/3.3V 72MBIT 4MX18 5.5NS/2.3NS 119FBGA - Trays |
| GS864218B-V | 制造商:GSI 制造商全稱:GSI Technology 功能描述:4M x 18, 2M x 36, 1M x 72 72Mb S/DCD Sync Burst SRAMs |
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