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UC62LV0256AI PDF预览

UC62LV0256AI

更新时间: 2024-11-18 21:54:03
品牌 Logo 应用领域
其他 - ETC 静态存储器
页数 文件大小 规格书
10页 424K
描述
Low Power CMOS SRAM 32K X8 Bits

UC62LV0256AI 数据手册

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Low Power CMOS SRAM  
32K X8 Bits  
UC62LV0256  
-35/-55/-70  
Features:  
• Vcc operation voltage : 2.0V ~ 3.6V  
• Low power consumption :  
10mA (Max.) operating current  
0.1uA (Typ.) CMOS standby current  
• High Speed Access time :  
Description  
The UC62LV0256 is a high performance, very low power  
CMOS Static Random Access Memory organized as 32,768  
words by 8 bits and operates from a wide range of 2.0V to  
3.6V supply voltage. Advanced CMOS technology and circuit  
techniques provide both high speed and low power features  
with a typical CMOS standby current of 1uA and maximum  
access time of 70ns in 2.0V operation.  
35ns (Max.) at Vcc = 2.7V  
55ns (Max.) at Vcc = 2.7V  
70ns (Max.) at Vcc = 2.0V  
Easy memory expansion is provided enable (CE), and  
active LOW output enable (OE) and three-state output  
drivers.  
The UC62LV0256 has an automatic power down feature,  
reducing the power consumption significantly when chip is  
deselected.  
• Automatic power down when chip is deselected  
• Three state outputs and TTL compatible  
• Data retention supply voltage as low as 1.2V  
• Easy expansion with CE\ and OE\ options  
The UC62LV0256 is available in the JEDEC standard 28 pin  
330mil Plastic SOP, 300mil Plastic SOJ, 600mil Plastic DIP  
and 8mmx13.4mm TSOP (normal type).  
PRODUCT FAMILY  
Speed  
(ns)  
Vcc=2.7V  
Power Consumption  
Product  
Family  
Operating  
Temperature  
Package  
Type  
Vcc Range  
STANDBY  
Vcc=3.0V  
VCC=3.6V Operating (Max)  
35ns  
55ns  
70ns  
UC62LV0256BC  
UC62LV0256CC  
UC62LV0256DC  
UC62LV0256EC  
UC62LV0256AC  
UC62LV0256BI  
UC62LV0256CI  
UC62LV0256DI  
UC62LV0256EI  
UC62LV0256AI  
SOP-28  
TSOP-28  
PDIP-28  
SOJ-28  
DICE  
0~ 70℃  
-25~ 85  
2.0V ~ 3.6V  
-35/ -55/ -70  
0.1uA  
17mA  
13mA  
10mA  
SOP-28  
TSOP-28  
PDIP-28  
SOJ-28  
DICE  
2.0V ~ 3.6V  
-35/ -55/ -70  
0.1uA  
17mA  
13mA  
10mA  
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  
ROW  
Address  
2
MEMORY ARRAY  
32K X 8 Bits  
3
UC62LV0256BI  
UC62LV0256DI  
UC62LV0256EI  
UC62LV0256BC  
UC62LV0256DC  
UC62LV0256EC  
A6  
4
COL  
Address  
A5  
5
A9  
A4  
6
A11  
OE  
COLUMN DECODER  
A3  
7
A2  
8
A10  
CE  
SENSE AMPLIFIER  
&
WRITE DRIVER  
CE  
WE  
OE  
A1  
9
CE  
A0  
10  
11  
12  
13  
14  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
X8  
WE  
DQ0  
DQ1  
DQ2  
GND  
I/O BUFFER  
OE  
OE  
A11  
A9  
1
28  
A10  
CE  
2
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
3
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
GND  
DQ2  
DQ1  
DQ0  
A0  
A8  
4
A13  
WE  
VCC  
A14  
A12  
A7  
5
6
7
UC62LV0256CC  
UC62LV0256CI  
8
9
10  
11  
12  
13  
14  
A6  
A5  
A4  
A1  
A3  
A2  
U-Chip Technology Corp. LTD.  
Reserves the right to modify document contents without notice.  
Revision 2.0  
PAGE 1  

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