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SED1522T PDF预览

SED1522T

更新时间: 2024-11-08 07:29:35
品牌 Logo 应用领域
精工 - SEIKO /
页数 文件大小 规格书
31页 164K
描述
Liquid Crystal Driver, 77-Segment, CMOS

SED1522T 数据手册

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SED1520 Series  
OVERVIEW  
FEATURES  
The SED1520 family of dot matrix LCD drivers are  
designed for the display of characters and graphics. The  
drivers generate LCD drive signals derived from bit  
mapped data stored in an internal RAM.  
The drivers are available in two configurations  
The SED1520 family drivers incorporate innovative  
circuit design strategies to achieve very low power  
dissipation at a wide range of operating voltages.  
These features give the designer a flexible means of  
implementing small to medium size LCD displays for  
compact, low power systems.  
• Fast 8-bit MPU interface compatible with 80- and 68-  
family microcomputers  
• Many command set  
• Total 80 (segment + common) drive sets  
• Low power — 30 µW at 2 kHz external clock  
• Wide range of supply voltages  
VDD – VSS: –2.4 to –7.0 V  
VDD – V5: –3.5 to –13.0 V  
• Low-power CMOS  
• The SED1520 which is able to drive two lines of  
twelve characters each.  
• The SED1521 which is able to drive 80 segments for  
extention.  
• The SED1522 which is able to drive one line of  
thirteen characters each.  
Line-up  
Number Number  
of SEG of CMOS  
Drivers Drivers  
Clock Frequency  
Product  
Applicable Driver  
SED1520 0 , SED1521  
Duty  
Name  
On-Chip External  
SED1520  
0
0
0
18 kHz  
18 kHz  
18 kHz  
18 kHz  
18 kHz  
2 kHz  
2 kHz  
2 kHz  
0
0
0
61  
80  
69  
61  
80  
69  
16  
0
8
16  
0
8
1/16, 1/32  
1/8 to 1/32  
1/8, 1/16  
1/16, 1/32  
1/8 to 1/32  
1/8, 1/16  
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
SED1521  
SED1522  
SED1520  
SED1521  
SED1522  
SED1520 0 , SED1522  
*
*
*
*
*
*
*
*
SED1522 0 , SED1521  
*
A
A
A
SED1520 A , SED1521  
A
A
A
*
*
SED1520 A , SED1522  
*
*
SED1522 A , SED1521  
*
*
• Package code (For example SED1520)  
SED1520T  
SED1520F**: PKG  
*
SED1520F A (QFP5-100pin)  
SED1520F C (QFP15-100pin)  
*
SED1520D**: Chip  
*
SED1520D A (Al-pad)  
SED1520D B (Au-bump)  
*
EPSON  
2–1  

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