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參數(shù)資料
| 型號： | GS840F18A |
| 廠商： | GSI TECHNOLOGY |
| 英文描述： | 4Mb（256K x 18Bit) Synchronous Burst SRAM(4M位（256K x 18位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
| 中文描述： | 4Mb的（256 × 18位）同步突發(fā)靜態(tài)存儲器（4分位（256 × 18位）同步靜態(tài)隨機存儲器（帶2位脈沖地址計數(shù)器）） |
| 文件頁數(shù)： | 9/22頁 |
| 文件大?。?/td> | 795K |
| 代理商： | GS840F18A |
Rev: 1.04 12/2000
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com
9/22
1999, Giga Semiconductor, Inc.
.
Preliminary
GS840F18/32/36AT-7.5/8/8.5/10/12
Simplified State Diagram
First Write
First Read
Burst Write
Burst Read
Deselect
R
W
CR
CW
X
X
W
R
R
W
R
X
X
X
S
S
CR
R
CW
CR
CR
Notes:
1.
2.
The diagram shows only supported (tested) synchronous state transitions. The diagram presumes G is tied low.
The upper portion of the diagram assumes active use of only the Enable (E
1,
E
2,
E
3
) and Write (B
A
, B
B
, B
C
, B
D
, BW, and GW) control
inputs, and that ADSP is tied high and ADSC is tied low.
The upper and lower portions of the diagram together assume active use of only the Enable, Write, and ADSC control inputs, and
assumes ADSP is tied high and ADV is tied low.
3.
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| GS840F32A | 4Mb（128K x 32Bit) Synchronous Burst SRAM(4M位（128K x 32位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
| GS840F36A | 4Mb（128K x 36Bit) Synchronous Burst SRAM(4M位（128K x 36位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
| GS840FH18A | 4Mb（256K x 18Bit) Synchronous Burst SRAM(4M位（256K x 18位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
| GS840FH32A | 4Mb（128K x 32Bit) Synchronous Burst SRAM(4M位（128K x 32位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
| GS840FH36A | 4Mb（128K x 36Bit) Synchronous Burst SRAM(4M位（128K x 36位）同步靜態(tài)RAM（帶2位脈沖地址計數(shù)器）) |
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| GS840F18AB-10 | 制造商:GSI Technology 功能描述:256K X 18 (4 MEG) SYNCH BURST, FLOW-THRU ONLY - Trays |
| GS840F18AB-12 | 制造商:GSI Technology 功能描述:256K X 18 (4 MEG) SYNCH BURST, FLOW-THRU ONLY - Trays |
| GS840F18AB-7.5 | 制造商:GSI Technology 功能描述:SRAM SYNC SGL 3.3V 4MBIT 256KX18 7.5NS 119FBGA - Trays |
| GS840F18AB-7.5I | 制造商:GSI Technology 功能描述:SRAM SYNC SGL 3.3V 4MBIT 256KX18 7.5NS 119FPBGA - Trays |
| GS840F18AB-8 | 制造商:GSI Technology 功能描述:256K X 18 (4 MEG) SYNCH BURST, FLOW-THRU ONLY - Trays |
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