参数资料
型号: SDA20C440
厂商: SIEMENS A G
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP80
封装: PLASTIC, MQFP-80
文件页数: 28/55页
文件大小: 990K
代理商: SDA20C440
SDA 20C440
Semiconductor Group
34
Row and Column Driving Voltages
The voltages for selected and not selected row and column signals for both 8-line and 16-line
multiplexing are given in the following tables:
V
LC0 = VLCIN
V
LC1 = VLCIN × 0.8
V
LC2 = VLCIN × 0.5
V
LC3 = VLCIN × 0.2
V
LC4 = VSS
V
LC0 = VLCIN
V
LC1 = VLCIN × 0.8
V
LC2 = VLCIN × 0.6
V
LC3 = VLCIN × 0.4
V
LC4 = VLCIN × 0.2
V
LC5 = VSS
Driving Signal (8-Line)
Value
Row Selected/–
V
LC4
Row Selected/+
V
LC0
Row Not Selected/–
V
LC1
Row Not Selected/+
V
LC3
Column Selected/–
V
LC0
Column Selected/+
V
LC4
Column Not Selected/–, +
V
LC2
Driving Signal (16-Line)
Value
Row Selected/–
V
LC5
Row Selected/+
V
LC0
Row Not Selected/–
V
LC1
Row Not Selected/+
V
LC4
Column Selected/–
V
LC0
Column Selected/+
V
LC5
Column Not Selected/–
V
LC3
Column Not Selected/+
V
LC2
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