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AS7C33256PFS16A-133TQI PDF预览

AS7C33256PFS16A-133TQI

更新时间: 2024-01-13 17:54:08
品牌 Logo 应用领域
ALSC 静态存储器
页数 文件大小 规格书
11页 215K
描述
3.3V 256K × 16/18 pipeline burst synchronous SRAM

AS7C33256PFS16A-133TQI 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:LQFP, QFP100,.63X.87
针数:100Reach Compliance Code:unknown
ECCN代码:3A991.B.2.AHTS代码:8542.32.00.41
风险等级:5.87最长访问时间:10 ns
其他特性:FLOW-THROUGH OR PIPELINED ARCHITECTURE最大时钟频率 (fCLK):133 MHz
I/O 类型:COMMONJESD-30 代码:R-PQFP-G100
JESD-609代码:e0长度:20 mm
内存密度:4194304 bit内存集成电路类型:STANDARD SRAM
内存宽度:16功能数量:1
端子数量:100字数:262144 words
字数代码:256000工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:256KX16输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装等效代码:QFP100,.63X.87封装形状:RECTANGULAR
封装形式:FLATPACK, LOW PROFILE并行/串行:PARALLEL
电源:2.5/3.3,3.3 V认证状态:Not Qualified
座面最大高度:1.6 mm最大待机电流:0.03 A
最小待机电流:3.14 V子类别:SRAMs
最大压摆率:0.425 mA最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3.135 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.65 mm
端子位置:QUAD宽度:14 mm
Base Number Matches:1

AS7C33256PFS16A-133TQI 数据手册

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AS7C33256PFS16A  
AS7C33256PFS18A  
March 2001  
®
3.3V 256K × 16/18 pipeline burst synchronous SRAM  
Features  
*
• Pentium® compatible architecture and timing  
• Asynchronous output enable control  
• Economical 100-pin TQFP package  
• Byte write enables  
• Organization: 262,144 words × 16 or 18 bits  
• Fast clock speeds to 166 MHz in LVTTL/LVCMOS  
• Fast clock to data access: 3.5/3.8/4.0/5.0 ns  
• Fast OE access time: 3.5/3.8/4.0/5.0 ns  
• Fully synchronous register-to-register operation  
• “Flow-through” mode  
• Single-cycle deselect  
- Dual-cycle deselect also available (AS7C33256PFD16A/  
AS7C33256PFD18A)  
• Multiple chip enables for easy expansion  
• 3.3V core power supply  
• 2.5V or 3.3V I/O operation with separate V  
• 30 mW typical standby power in power down mode  
• NTD™ pipeline architecture available  
DDQ  
*
(AS7C33256NTD16A/AS7C33256NTD18A)  
Logic block diagram  
Pin arrangement  
LBO  
CLK  
ADV  
CLK  
CS  
Burst logic  
18 16  
256K × 16/18  
Memory  
ADSC  
ADSP  
CLR  
NC  
NC  
NC  
1
A17  
NC  
NC  
V
SSQ  
NC  
DQpa/NC  
DQa  
DQa  
80  
79  
78  
77  
76  
75  
74  
73  
72  
71  
70  
69  
68  
67  
66  
65  
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
2
18  
18  
AddresQs  
register  
D
array  
3
A[17:0]  
V
4
DDQ  
V
DDQ  
CS  
V
5
SSQ  
NC  
6
CLK  
NC  
7
16/18  
DQb  
DQb  
8
16/18  
9
V
DDQ  
V
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
SSQ  
SSQ  
GWE  
BW  
b
D
Q
DQb  
V
V
DDQ  
DQb  
DQb  
FT  
DQa  
DQa  
VSS  
NC  
Byte Write  
registers  
CLK  
BWE  
TQFP 14 × 20mm  
V
NC  
V
DD  
D
Q
DQa  
V
ZZ  
DD  
2
BW  
Byte Write  
registers  
a
SS  
DQa  
DQa  
DQb  
DQb  
DDQ  
CLK  
V
SSQ  
V
CE0  
CE1  
CE2  
DDQ  
OE  
D EnableQ  
register  
Input  
V
V
SSQ  
Output  
DQb  
DQa  
DQa  
NC  
registers  
registers  
DQb  
DQpb/NC  
NC  
CE  
CLK  
CLK  
CLK  
NC  
D EnableQ  
delay  
V
V
DDQ  
SSQ  
SSQ  
V
V
Power  
down  
DDQ  
ZZ  
NC  
NC  
NC  
NC  
NC  
NC  
register  
CLK  
OE  
DATA [17:0]  
DATA [15:0]  
FT  
Note: pins 24, 74 are NC for ×16.  
Selection guide  
AS7C33256PFS16A AS7C33256PFS16A AS7C33256PFS16A AS7C33256PFS16A  
–166  
–150  
–133  
7.5  
133  
4
–100  
Units  
ns  
Minimum cycle time  
6
6.7  
10  
Maximum pipelined clock frequency  
Maximum pipelined clock access time  
Maximum operating current  
166  
3.5  
475  
130  
30  
150  
3.8  
100  
5
MHz  
ns  
450  
110  
30  
425  
100  
30  
325  
90  
mA  
mA  
mA  
Maximum standby current  
Maximum CMOS standby current (DC)  
30  
*
®
Pentium is a registered trademark of Intel Corporation. NTD™ is a trademark of Alliance Semiconductor Corporation. All trademarks mentioned in this document are  
the property of their respective owners.  
3/14/01; V.1.0  
Alliance Semiconductor  
P. 1 of 11  
Copyright © Alliance Semiconductor. All rights reserved.  

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