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參數(shù)資料
| 型號： | DS8187 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 196K |
| 代理商： | DS8187 |
TL/F/11220
D
June 1992
DS8187 Vacuum Fluorescent Display Driver
General Description
The DS8187 is a vacuum fluorescent display tube driver.
This device is implemented in CMOS technology, to provide
high voltage output drivers and low power. Dimming may be
accomplished by either analog or digital input. Autoload ca-
pability is accomplished by connecting the DATA OUT pin to
the LOAD ENABLE input pin, with the addition of a start bit
to the input data stream.
Features
Y
33 Segment Direct Drive 25
b
0.8 mA and 8
b
2 mA
output drivers
Y
49 steps of dimming, mask programmable
Y
Analog or digital input dimming control
Y
DATA OUT pin for cascading
Y
Mask options allow reconfiguring of outputs with
respect to shift register bit position
Y
Autoload or external load capability
Block Diagram
TL/F/11220–4
FIGURE 1.
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
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