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AY0438-I/P011 PDF预览

AY0438-I/P011

更新时间: 2024-02-04 10:55:34
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
11页 148K
描述
LIQUID CRYSTAL DISPLAY DRIVER, PDIP40, PLASTIC, DIP-40

AY0438-I/P011 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:40
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.58
数据输入模式:SERIAL显示模式:SEGMENT
接口集成电路类型:LIQUID CRYSTAL DISPLAY DRIVERJESD-30 代码:R-PDIP-T40
JESD-609代码:e3复用显示功能:NO
位数/字符:4-DIGIT功能数量:1
区段数:32端子数量:40
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
最大供电电压:8.5 V最小供电电压:3 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
最小 fmax:1.5 MHzBase Number Matches:1

AY0438-I/P011 数据手册

 浏览型号AY0438-I/P011的Datasheet PDF文件第1页浏览型号AY0438-I/P011的Datasheet PDF文件第3页浏览型号AY0438-I/P011的Datasheet PDF文件第4页浏览型号AY0438-I/P011的Datasheet PDF文件第5页浏览型号AY0438-I/P011的Datasheet PDF文件第6页浏览型号AY0438-I/P011的Datasheet PDF文件第7页 
AY0438  
FIGURE 1: PIN DESCRIPTIONS  
Pin # (PDIP Only)  
Name  
Direction  
Description  
1
VDD  
Load  
-
Supply voltage  
Latch data from registers  
Direct drive outputs  
2
Input  
3-29, 32, 33, 37-39  
Seg 1-32  
BP  
Output  
Output  
Input  
30  
31  
34  
35  
36  
40  
Backplane drive output  
Backplane drive input  
Data input to shift register  
Data output from shift register  
Ground  
LCDΦ  
Data In  
Data Out  
VSS  
Input  
Output  
Ground  
Input  
Clock  
System clock input  
FIGURE 2: BLOCK DIAGRAM  
FIGURE 3: BACKPLANE AND SEGMENT  
OUTPUT  
Data in  
Data out  
32-bit Static Shift Register  
32 Latches  
Clock  
SEG On  
Backplane  
SEG Off  
Load  
32 Segment Drivers  
32 Outputs  
Backplane  
output  
LCD AC  
Generator  
LCDΦ  
FIGURE 4: TIMING DIAGRAM  
1/f  
CLOCK  
1
31  
32  
START  
Data in  
SEG 32  
SEG 2  
SEG 1  
tDS  
tDH  
Data out  
Load  
tPD  
tPW  
enabled or visible, i.e. the output at Segment Output is  
180° out-of-phase with the Backplane output  
(Figure 3).  
1.0  
OPERATION:  
1.1  
Data In and Clock  
1.2  
Load  
The shift register shifts and outputs on the falling edge  
of the clock. Every clock falling edge does a logical left  
shift. As an example, if 32 clock pulses are supplied as  
in Figure 4, then the data input at the first clock will out-  
put at SEG 32, and the last data input (# 32) will output  
at SEG 1 when a LOAD signal is enabled (Figure 2). It  
is recommended that a complete 32 bit transfer be  
done every time the outputs are updated. A logic 1 at  
the Data In causes the corresponding segment to be  
A logic 1 at the Load input (Figure 2) causes the paral-  
lel load of the data in the shift register into the latches  
that control the segment drivers. If the Load signal is  
tied high, then the latches become transparent and the  
segment drivers are always connected to the shift reg-  
isters.  
DS70010I-page 2  
1995 Microchip Technology Inc.  
 
 

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