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STC62WV1M8ECP55 PDF预览

STC62WV1M8ECP55

更新时间： 2024-11-08 09:01:15
品牌 Logo 应用领域
其他 - ETC 静态存储器
页数 文件大小 规格书
9页 251K
描述
Very Low Power/Voltage CMOS SRAM 1M X 8 bit

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STC62WV1M8ECP55 数据手册

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Very Low Power/Voltage CMOS SRAM  
1M X 8 bit  
STC  
STC62WV1M8  
„ FEATURES  
• Three state outputs and TTL compatible  
• Fully static operation  
• Data retention supply voltage as low as 1.5V  
• Easy expansion with CE1, CE2 and OE options  
• Wide Vcc operation voltage : 2.4V ~ 5.5V  
• Very low power consumption :  
Vcc = 3.0V C-grade: 30mA (@55ns) operating current  
I -grade: 31mA (@55ns) operating current  
C-grade: 24mA (@70ns) operating current  
I -grade: 25mA (@70ns) operating current  
1.5uA (Typ.) CMOS standby current  
Vcc = 5.0V C-grade: 75mA (@55ns) operating current  
I -grade: 76mA (@55ns) operating current  
C-grade: 60mA (@70ns) operating current  
I -grade: 61mA (@70ns) operating current  
8.0uA (Typ.) CMOS standby current  
„ GENERAL DESCRIPTION  
The STC62WV1M8 is a high performance , very low power CMOS Static  
Random Access Memory organized as 1,048,576 words by 8 bits and  
operates from a wide range of 2.4V to 5.5V supply voltage.  
Advanced CMOS technology and circuit techniques provide both high  
speed and low power features with a typical CMOS standby current of  
1.5uA at 3V/25oC and maximum access time of 55ns at 3.0V/85oC.  
Easy memory expansion is provided by an active LOW chip enable(CE1)  
, an active HIGH chip enable (CE2) and active LOW output enable (OE)  
and three-state output drivers.  
• High speed access time :  
-55  
-70  
55ns  
70ns  
The STC62WV1M8 has an automatic power down feature, reducing the  
power consumption significantly when chip is deselected.  
• Automatic power down when chip is deselected  
The STC62WV1M8 is available in 48B BGA and 44L TSOP2 packages.  
„ PRODUCT FAMILY  
POWER DISSIPATION  
SPEED  
( ns )  
STANDBY  
Operating  
PRODUCT  
FAMILY  
OPERATING  
TEMPERATURE  
Vcc  
RANGE  
( ICCSB1, Max )  
( ICC, Max )  
PKG TYPE  
Vcc=5V  
70ns  
Vcc=3V  
70ns  
55ns : 3.0~5.5V  
70ns : 2.7~5.5V  
Vcc=3V  
Vcc=5V  
55uA  
STC62WV1M8EC  
STC62WV1M8FC  
STC62WV1M8EI  
STC62WV1M8FI  
TSOP2-44  
BGA-48-0912  
TSOP2-44  
+0O C to +70OC 2.4V ~ 5.5V  
-40OC to +85OC 2.4V ~ 5.5V  
55 / 70  
55 / 70  
5uA  
24mA  
25mA  
60mA  
10uA  
110uA  
61mA  
BGA-48-0912  
„ PIN CONFIGURATIONS  
„ FUNCTIONAL BLOCK DIAGRAM  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
A4  
A3  
A2  
A1  
A0  
CE1  
NC  
NC  
DQ0  
DQ1  
VCC  
GND  
DQ2  
DQ3  
NC  
NC  
A5  
A6  
A7  
OE  
CE2  
A8  
NC  
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
A13  
A17  
A15  
A18  
A16  
A14  
A12  
A7  
NC  
DQ7  
DQ6  
GND  
VCC  
DQ5  
DQ4  
NC  
STC62WV1M8EC  
STC62WV1M8EI  
Address  
Input  
Memory Array  
22  
2048  
Row  
2048 X 4096  
Decoder  
NC  
A9  
Buffer  
WE  
A19  
A18  
A17  
A16  
A15  
A6  
A5  
A4  
18  
19  
20  
21  
A10  
A11  
A12  
A13  
A14  
22  
4096  
DQ0  
DQ1  
DQ2  
DQ3  
DQ4  
DQ5  
DQ6  
DQ7  
8
Data  
Input  
Buffer  
1
2
3
4
5
6
8
Column I/O  
Write Driver  
Sense Amp  
A
B
C
D
E
F
OE  
A0  
A1  
A2  
CE2  
NC  
NC  
NC  
8
8
Data  
Output  
Buffer  
NC  
NC  
A3  
A5  
A4  
CE1  
NC  
512  
A6  
D0  
D4  
Column Decoder  
18  
VSS  
A17  
VCC  
A7  
VCC  
VSS  
D1  
D2  
D5  
D6  
CE1  
CE2  
WE  
OE  
Control  
A16  
A15  
A13  
A10  
VCC  
D3  
Address Input Buffer  
D7  
NC  
NC  
NC  
NC  
WE  
A11  
A14  
A12  
A9  
Vdd  
Gnd  
A11A9 A8 A3 A2 A1 A0A10 A19  
G
H
NC  
A18  
A8  
A19  
48-ball BGA top view  
STC International Limited. reserves the right to modify document contents without notice.  
Revision 2.1  
Jan. 2004  
R0201-STC62WV1M8  
1
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