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M66222FP PDF预览

M66222FP

更新时间: 2024-01-01 12:03:52
品牌 Logo 应用领域
三菱 - MITSUBISHI 存储内存集成电路静态存储器光电二极管
页数 文件大小 规格书
8页 111K
描述
128 x 8-BIT x 2 MAIL-BOX

M66222FP 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP-42针数:42
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.67
Is Samacsys:N最长访问时间:70 ns
I/O 类型:COMMONJESD-30 代码:R-PDIP-T42
长度:36.7 mm内存密度:2048 bit
内存集成电路类型:DUAL-PORT SRAM内存宽度:8
功能数量:1端口数量:2
端子数量:42字数:256 words
字数代码:256工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:256X8输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SDIP
封装等效代码:SDIP42,.6封装形状:RECTANGULAR
封装形式:IN-LINE, SHRINK PITCH并行/串行:PARALLEL
电源:5 V认证状态:Not Qualified
座面最大高度:5.5 mm最大待机电流:0.0001 A
最小待机电流:4.5 V子类别:SRAMs
最大压摆率:0.06 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子节距:1.778 mm端子位置:DUAL
宽度:15.24 mmBase Number Matches:1

M66222FP 数据手册

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MITSUBISHIDIGITALASSP
M66222SP/FP  
128 × 8-BIT × 2 MAIL-BOX  
DESCRIPTION  
PIN CONFIGURATION (Top view)  
The M66222 is a mail box that incorporates two complete CMOS  
shared memory cells of 128 × 8-bit configuration using high-  
performance silicon gate CMOS process technology, and are  
equipped with two access ports of A and B.  
CHIP SELECT  
INPUT  
CSA  
WEA  
NC  
1
2
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
VCC  
CHIP SELECT  
INPUT  
WRITE ENABLE  
INPUT  
WRITE ENABLE  
INPUT  
CSB  
WEB  
NC  
Access ports A and B are equipped with independent addresses CS,  
WE and OE control pins and I/O pins to allow independent and  
asynchronous read/write operations individually. This product  
exclusively performs a write operation from A port and a read operation  
from B port for one memory, and a read operation from A port and a  
write operation from B port for the other memory.  
3
OUTPUT ENABLE  
INPUT  
OEA  
4
OUTPUT ENABLE  
INPUT  
A
A
A
A
A
A
A
A
0A  
1A  
2A  
3A  
4A  
5A  
6A  
7A  
0A  
1A  
2A  
3A  
4A  
5A  
6A  
7A  
5
OEB  
6
A
A
A
A
A
A
A
A
0B  
1B  
2B  
3B  
4B  
5B  
6B  
7B  
7
A PORT  
ADDRESS  
INPUT  
8
FEATURES  
B PORT  
ADDRESS  
INPUT  
9
• Memory configuration of 128 × 8 bits × 2 memory areas  
• High-speed access, address access time 40ns (typ.)  
• Complete asynchronous accessibility from ports A and B  
• Fixed read/write access ports for memory  
• Completely static operation  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
• Low power dissipation CMOS design  
• 5V single power supply  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
7
6
5
4
3
2
1
0
B
B
B
B
B
B
B
B
• TTL direct-coupled I/O  
A PORT  
DATA I/O  
• 3-state output for I/O pins  
B PORT  
DATA I/O  
APPLICATION  
Inter-MCU data transfer memory, communication buffer memory  
GND  
42P4B  
42P2R-A  
Outline  
NC: No Connection  
BLOCK DIAGRAM  
V
CC  
42  
CHIP SELECT  
INPUT  
CHIP  
SELECT INPUT  
1
2
4
41  
40  
38  
CSA  
CSB  
MEMORY AREA(1)  
READ/  
WRITE  
CONTROL  
CIRCUIT  
READ/  
Write  
Read  
128-WORD × 8-BIT  
CONFIGURATION  
0-127  
WRITE  
WRITE  
CONTROL  
CIRCUIT  
WRITE  
ENABLE INPUT  
ENABLE INPUT WEA  
WEB  
OEB  
OUTPUT  
ENABLE INPUT  
OUTPUT  
ENABLE INPUT  
OEA  
ADDRESSES  
12  
5
30  
37  
36  
35  
34  
33  
32  
31  
A
7
A
A7B  
A
A
A
A
A
0
A
A
A
A
A
A
A
A
A
A
0
B
B
B
B
B
ROW/COLUMN  
DECODER  
6
1
2
3
4
1
2
3
4
A PORT  
ADDRESS  
INPUT  
B PORT  
ADDRESS  
INPUT  
7
8
A
0A~A  
6A  
A0B~A6B  
9
7
7
10  
11  
A5  
A
6
A5B  
ROW/COLUMN  
DECODER  
A
A
A6B  
13  
14  
15  
16  
17  
18  
19  
20  
22  
23  
24  
25  
26  
27  
28  
29  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
0
A
A
A
A
A
A
A
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
I/O  
0
1
2
3
4
5
6
B
B
B
B
B
B
B
1
2
3
4
5
6
MEMORY AREA(2)  
128-WORD × 8-BIT  
CONFIGURATION  
128-255  
A PORT  
DATA I/O  
B PORT  
DATA I/O  
Read  
Write  
ADDRESSES  
I/O  
7
A
I/O7B  
21  
GND  
1

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