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| 型號： | GS820E32AT-4I |
| 英文描述： | x32 Fast Synchronous SRAM |
| 中文描述： | X32號，快速同步SRAM |
| 文件頁數(shù)： | 5/23頁 |
| 文件大小： | 649K |
| 代理商： | GS820E32AT-4I |
Rev: 1.08 2/2001
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
5/23
2000, Giga Semiconductor, Inc.
GS82032AT/Q-200/180/166/133/100
Mode Pin Functions
Note:
There are pull-up devices on LBO 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 table.
Burst Counter Sequences
Linear Burst Sequence
Byte Write Truth Table
Notes:
1.
2.
3.
All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.
Byte Write Enable inputs B
A
, B
B
, B
C
and/or B
D
may be used in any combination with BW to write single or multiple bytes.
All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.
Mode Name
Pin Name
State
L
H or NC
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
Function
GW
BW
B
A
B
B
B
C
B
D
Notes
Read
H
H
X
X
X
X
1
Read
H
L
H
H
H
H
1
Write byte
A
H
L
L
H
H
H
2, 3
Write byte
B
H
L
H
L
H
H
2, 3
Write byte
C
H
L
H
H
L
H
2, 3, 4
Write byte
D
H
L
H
H
H
L
2, 3, 4
Write all bytes
H
L
L
L
L
L
2, 3, 4
Write all bytes
L
X
X
X
X
X
Note: The burst counter wraps to initial state on the 5th clock
.
I
nterleaved Burst Sequence
Note: The burst counter wraps to initial state on the 5th clock.
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
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
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PDF描述 |
|---|---|
| GS820E32AT-4IT | x32 Fast Synchronous SRAM |
| GS820E32AT-4T | x32 Fast Synchronous SRAM |
| GS820E32AT-5 | x32 Fast Synchronous SRAM |
| GS820E32AT-5I | x32 Fast Synchronous SRAM |
| GS820E32AT-5IT | x32 Fast Synchronous SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS820E32AT-4IT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 Fast Synchronous SRAM |
| GS820E32AT-4T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 Fast Synchronous SRAM |
| GS820E32AT-5 | 制造商:GSI 制造商全稱:GSI Technology 功能描述:64K x 32 2Mb Synchronous Burst SRAM |
| GS820E32AT-5I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 Fast Synchronous SRAM |
| GS820E32AT-5IT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x32 Fast Synchronous SRAM |
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