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參數(shù)資料
| 型號： | GS8640V18T-250 |
| 廠商： | GSI TECHNOLOGY |
| 元件分類： | DRAM |
| 英文描述： | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| 中文描述： | 4M X 18 CACHE SRAM, 6.5 ns, PQFP100 |
| 封裝： | TQFP-100 |
| 文件頁數(shù)： | 7/23頁 |
| 文件大小： | 452K |
| 代理商： | GS8640V18T-250 |
GS8640V18/32/36T-300/250/200/167
Product Preview
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.00 9/2004
7/23
2004, GSI Technology
Mode Pin Functions
Note:
There is a pull-up device on the FT pin 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.
Burst Counter Sequences
BPR 1999.05.18
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
Burst Order Control
LBO
Output Register Control
FT
Power Down Control
ZZ
H
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GS8640V18GT-167 | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V18GT-167I | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V18GT-200 | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V18GT-200I | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V18GT-250 | 4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS8640V18T-250I | 制造商:GSI 制造商全稱:GSI Technology 功能描述:4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V18T-300 | 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 1.8V 72MBIT 4MX18 5.5NS/2.3NS 100TQFP - Trays |
| GS8640V18T-300I | 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 1.8V 72MBIT 4MX18 5.5NS/2.3NS 100TQFP - Trays |
| GS8640V32GT-167 | 制造商:GSI 制造商全稱:GSI Technology 功能描述:4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
| GS8640V32GT-167I | 制造商:GSI 制造商全稱:GSI Technology 功能描述:4M x 18, 2M x 32, 2M x 36 72Mb Sync Burst SRAMs |
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