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M93C46-WMN6TP/S 参数 Datasheet PDF下载

M93C46-WMN6TP/S图片预览
型号: M93C46-WMN6TP/S
PDF下载: 下载PDF文件 查看货源
内容描述: 16千位,千位8 , 4千位,千位2和1千位( 8位或16位宽) MICROWIRE㈢串行EEPROM的访问 [16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit (8-bit or 16-bit wide) MICROWIRE㈢ serial access EEPROM]
分类和应用: 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 38 页 / 353 K
品牌: STMICROELECTRONICS [ ST ]
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M93C86, M93C76, M93C66, M93C56, M93C46  
Connecting to the serial bus  
2
Connecting to the serial bus  
Figure 3.  
Bus master and memory devices on the serial bus  
V
V
SS  
CC  
SDO  
SDI  
SCK  
Bus master  
V
V
V
CC  
C
Q
D
C
Q
D
C Q D  
CC  
CC  
V
V
V
SS  
SS  
SS  
M93xxx  
memory device  
M93xxx  
memory device  
M93xxx  
memory device  
R
R
R
CS3 CS2 CS1  
S
S
S
ORG  
ORG  
ORG  
AI14377  
Figure 3 shows an example of three memory devices connected to an MCU, on a serial bus.  
Only one device is selected at a time, so only one device drives the Serial Data Output (Q)  
line at a time, the other devices are high impedance.  
The pull-down resistor R (represented in Figure 3) ensures that no device is selected if the  
Bus Master leaves the S line in the high impedance state.  
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