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參數(shù)資料
| 型號(hào)： | AS7C33256NTF18B-75TQC |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| 中文描述： | 256K X 18 ZBT SRAM, 7.5 ns, PQFP100 |
| 封裝： | 14 X 20 MM, TQFP-100 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 427K |
| 代理商： | AS7C33256NTF18B-75TQC |
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April 2005
Copyright Alliance Semiconductor. All rights reserved.
AS7C33256NTF18B
4/13/05, v 1.3
Alliance Semiconductor
P. 1 of 18
3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD
TM
Features
Organization: 262,144 words × 18 bits
NTD
architecture for efficient bus operation
Fast clock to data access: 7.5/8.0/10.0 ns
Fast OE access time: 3.5/4.0 ns
Fully synchronous operation
Flow-through mode
Asynchronous output enable control
Available in 100-pin TQFP package
Byte write enables
Clock enable for operation hold
Multiple chip enables for easy expansion
3.3V core power supply
2.5V or 3.3V I/O operation with separate V
DDQ
Self-timed write cycles
Interleaved or linear burst modes
Snooze mode for standby operation
Logic block diagram
Selection guide
-75
-80
-10
Units
Minimum cycle time
Maximum clock access time
8.5
7.5
10
8.0
12
10
ns
ns
Maximum operating current
260
230
200
mA
Maximum standby current
Maximum CMOS standby current (DC)
110
30
100
30
90
30
mA
mA
W
register
burst logic
D
Q
CLK
Output
buffer
DQ [a,b]
18
18
CLK
CEN
CE0
CE1
CE2
A[17:0]
OE
Control
logic
CLK
Data
input
register
D
Q
CLK
18
18
OE
256K x 18
SRAM
array
R/W
DQ [a,b]
BWa
BWb
CLK
Q
D
ADV / LD
LBO
ZZ
addr. registers
Write delay
18
CLK
18
18
18
18
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C33256NTF18B-75TQCN | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-75TQI | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-75TQIN | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-80TQC | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-80TQCN | 3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C33256NTF18B-75TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-75TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-75TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-80TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
| AS7C33256NTF18B-80TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 18 Flowthrough Synchronous SRAM with NTD |
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