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參數(shù)資料
| 型號(hào)： | AS7C251MNTD18A-166TQCN |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 2.5V 1M x 18 Pipelined SRAM with NTD |
| 中文描述： | 1M X 18 ZBT SRAM, 3.5 ns, PQFP100 |
| 封裝： | 14 X 20 MM, LEAD FREE, TQFP-100 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 435K |
| 代理商： | AS7C251MNTD18A-166TQCN |
December 2004
Copyright Alliance Semiconductor. All rights reserved.
AS7C251MNTD18A
12/23/04, v.2.2
Alliance Semiconductor
P. 1 of 18
2.5V 1M x 18 Pipelined SRAM with NTD
TM
Features
Organization: 1,048,576 words × 18 bits
NTD
architecture for efficient bus operation
Fast clock speeds to 166 MHz
Fast clock to data access: 3.5/3.8 ns
Fast OE access time: 3.5/3.8 ns
Fully synchronous operation
Asynchronous output enable control
Available in 100-pin TQFP package
Individual byte write and global write
Clock enable for operation hold
Multiple chip enables for easy expansion
2.5V core power supply
Self-timed write cycles
Interleaved or linear burst modes
Snooze mode for standby operation
Logic block diagram
W
register
burst logic
D
Q
CLK
Output
register
DQ [a,b]
20
20
CLK
CEN
CE0
CE1
CE2
A[19:0]
OE
CLK
Control
logic
CLK
Data
input
register
D
Q
CLK
18
18
OE
1M x 18
SRAM
array
R/W
DQ [a,b]
BWa
BWb
CLK
Q
D
ADV / LD
LBO
ZZ
addr. registers
Write delay
20
CLK
18
18
18
18
Selection guide
-166
6
166
3.5
290
85
40
-133
7.5
133
3.8
270
75
40
Units
ns
MHz
ns
mA
mA
mA
Minimum cycle time
Maximum clock frequency
Maximum clock access time
Maximum operating current
Maximum standby current
Maximum CMOS standby current (DC)
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PDF描述 |
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| AS7C251MNTD18A-166TQI | 2.5V 1M x 18 Pipelined SRAM with NTD |
| AS7C251MNTD32A-200TQIN | 2.5V 1M x 32/36 Pipelined SRAM with NTD |
| AS7C251MNTD36A-200TQIN | 2.5V 1M x 32/36 Pipelined SRAM with NTD |
| AS7C251MNTD32A-166TQIN | 2.5V 1M x 32/36 Pipelined SRAM with NTD |
| AS7C251MNTD36A-166TQIN | 2.5V 1M x 32/36 Pipelined SRAM with NTD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C251MNTD18A-166TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 1M x 18 Pipelined SRAM with NTD |
| AS7C251MNTD18A-166TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 1M x 18 Pipelined SRAM with NTD |
| AS7C251MNTD32A | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 1M x 32/36 Pipelined SRAM with NTD |
| AS7C251MNTD32A-133TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 1M x 32/36 Pipelined SRAM with NTD |
| AS7C251MNTD32A-133TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 1M x 32/36 Pipelined SRAM with NTD |
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