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 capability 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 Y Y Y Y
Y
33 Segment Direct Drive 25 b 0 8 mA and 8 b 2 mA output drivers 49 steps of dimming mask programmable Analog or digital input dimming control DATA OUT pin for cascading Mask options allow reconfiguring of outputs with respect to shift register bit position Autoload or external load capability
Block Diagram
TL F 11220.
- 4
FIGURE 1
C1995 National Semiconductor Corporation
TL F 11220
RRD-B30M105 Printed in U S A
Absolute Maximum Ratings
If Military Aerospace specified d.
DS8187_NationalSemiconductorCorporation.pdf
