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參數(shù)資料
| 型號： | AS7C33256PFS18B-133TQC |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 3.3V 256K X 18 pipeline burst synchronous SRAM |
| 中文描述： | 256K X 18 STANDARD SRAM, 10 ns, PQFP100 |
| 封裝： | 14 X 20 MM, TQFP-100 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 536K |
| 代理商： | AS7C33256PFS18B-133TQC |
December 2004
Copyright Alliance Semiconductor. All rights reserved.
AS7C33256PFS18B
3.3V 256K
×
18 pipeline burst synchronous SRAM
12/10/04; v.1.7
Alliance Semiconductor
P. 1 of 19
Features
Organization: 262,144 words × 18 bits
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 register-to-register operation
Single-cycle deselect
Asynchronous output enable control
Available in 100-pin TQFP package
Individual byte write and global write
Multiple chip enables for easy expansion
Linear or interleaved burst control
Snooze mode for reduced power-standby
Common data inputs and data outputs
3.3V core power supply
2.5V or 3.3V I/O operation with separate V
DDQ
Selection guide
–200
–166
–133
Units
Minimum cycle time
Maximum clock frequency
5
6
7.5
133
ns
200
166
MHz
Maximum clock access time
3.0
3.5
4
ns
Maximum operating current
Maximum standby current
375
130
350
100
325
90
mA
mA
Maximum CMOS standby current (DC)
30
30
30
mA
Logic block diagram
Burst logic
CLK
ADSP
LBO
CLK
CS
CLR
18
16
18
A[17:0]
18
Address
D
CS
Q
CLK
256K × 18
Memory
array
18
18
DQb
CLK
D
registers
D
registers
Q
DQa
CLK
Q
Enable
CE
D
Q
delay
register
CLK
D
Q
Output
registers
CLK
Input
registers
Power
down
2
CE0
BW
b
BW
a
OE
ZZ
OE
CLK
BWE
GWE
18
DQ [a,b]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C33256PFS18B-133TQCN | 3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-133TQI | 3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-133TQIN | 3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-166TQC | 3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-166TQCN | 3.3V 256K X 18 pipeline burst synchronous SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C33256PFS18B-133TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-133TQI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-133TQIN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-166TQC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K X 18 pipeline burst synchronous SRAM |
| AS7C33256PFS18B-166TQCN | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K X 18 pipeline burst synchronous SRAM |
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