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參數(shù)資料
| 型號： | AS7C33256NTD18B-133TQIN |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 3.3V 256K x 8 Pipelined SRAM with NTD |
| 中文描述： | 256K X 18 ZBT SRAM, 4 ns, PQFP100 |
| 封裝： | 14 X 20 MM, LEAD FREE, TQFP-100 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 441K |
| 代理商： | AS7C33256NTD18B-133TQIN |
February 2005
Copyright Alliance Semiconductor. All rights reserved.
AS7C33256NTD18B
2/8/05
;
v.1.5
Alliance Semiconductor
P. 1 of 18
3.3V 256K×18 Pipelined SRAM with NTD
TM
Features
Organization: 262,144 words × 18 bits
NTD
architecture for efficient bus operation
Fast clock speeds to 200 MHz
Fast clock to data access: 3.0/3.5/4.0 ns
Fast
OE
access time: 3.0/3.5/4.0 ns
Fully synchronous operation
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
W
register
Burst logic
D
Q
Output
Register
DQ [a:b]
18
18
18
18
CLK
CEN
CE0
CE1
CE2
A[17:0]
OE
CLK
Control
logic
CLK
Data
D
Q
CLK
18
18
18
OE
256K x 18
SRAM
Array
R/
W
BWa
BWb
DQ [a:b]
CLK
Q
D
ADV /
LD
LBO
ZZ
Write delay
18
18
CLK
Selection Guide
-200
-166
-133
Units
Minimum cycle time
Maximum clock frequency
5
6
7.5
ns
200
166
133
MHz
Maximum clock access time
3.0
3.5
4
ns
Maximum operating current
Maximum standby current
375
135
350
325
mA
mA
120
110
Maximum CMOS standby current (DC)
30
30
30
mA
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C33256NTD18B-166TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD |
| AS7C33256NTD18B-166TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD |
| AS7C33256NTD18B-166TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD |
| AS7C33256NTD18B-166TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD |
| AS7C33256NTD18B-200TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD |
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