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MX66C256MI-70 PDF预览

MX66C256MI-70

更新时间: 2024-11-18 22:45:47
品牌 Logo 应用领域
旺宏电子 - Macronix 静态存储器
页数 文件大小 规格书
9页 185K
描述
Very Low Power 32k x 8 CMOS SRAM

MX66C256MI-70 数据手册

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MX66C256  
Very Low Power 32k x 8 CMOS SRAM  
DESCRIPTION  
FEATURES  
The MX66C256 is a high performance, very low power  
CMOS Static Random Access Memory organized as  
32,768 words by 8 bits and operates at 5.0V supply  
voltage.  
Advanced CMOS technology and circuit techniques  
provide both high speed and low power features with a  
typical CMOS standby current of 0.4uA and maximum  
access time of 70ns and 100 ns in 5V operation.  
Easy memory expansion is provided by an active LOW  
chip enable(CE), and active LOW output enable (OE)  
and three-state output drivers.  
The MX66C256 has an automatic power down feature,  
reducing the power consumption significantly when chip  
is deselected.  
The MX66C256 is available in the JEDEC standard 28  
pin 330mil Plastic SOP, and 8mmx13.4mm TSOP  
(normal type).  
Vcc operation voltage : 5.0V  
Very low power consumption :  
50 mA (Max.) write current  
40 mA (Max.) read current  
0.4uA (Typ.) CMOS standby current  
High speed access time :  
- 70  
70ns (Max.)  
- 100  
100ns (Max.)  
Input levels are CMOS-compatible  
Automatic power down when chip is deselected  
Three state outputs  
Fully static operation  
Data retention supply voltage as low as 2.0V  
Easy expansion with CE and OE options  
PIN CONFIGURATIONS  
BLOCK DIAGRAM  
A14  
A12  
A7  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
WE  
A13  
A8  
2
3
A6  
4
A5  
A5  
A6  
5
A9  
A4  
6
A11  
OE  
A7  
A3  
7
Address  
Memory Array  
512 x 512  
A12  
A14  
A13  
A8  
A9  
18  
512  
A2  
Row  
8
28-SOP  
A10  
CE  
Input  
A1  
9
Decoder  
A0  
Buffer  
10  
11  
12  
13  
14  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ0  
DQ1  
DQ2  
GND  
A11  
512  
DQ0  
DQ1  
DQ2  
DQ3  
DQ4  
DQ5  
DQ6  
DQ7  
8
Data  
Input  
Buffer  
Column I/O  
8
Write Driver  
Sense Amp  
8
8
Data  
Output  
Buffer  
64  
Column Decoder  
12  
OE  
A11  
A9  
1
2
3
4
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
A10  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
GND  
DQ2  
DQ1  
DQ0  
A0  
A8  
CE  
WE  
OE  
A13  
WE  
VCC  
A14  
A12  
A7  
A6  
A5  
A4  
A3  
5
6
7
8
Control  
Address Input Buffer  
28-TSOP  
Vdd  
Gnd  
A4 A3 A2 A1 A0 A10  
9
10  
11  
12  
13  
14  
A1  
A2  
P/N DS0035  
Rev. 1.1, Jan., 2000  
1
Macronix America Inc. USA 1338 Ridder Park Dr., San Jose, CA 95131  
Tel (408)453-8088 Fax (408)451-0876 www.macronix.com  

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