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m8 ~National
s D Semiconductor
.DH0069 High Voltage Octal Driver for Electrostatic Printers
General Description
The DH0069 is an eight·channel, high·voltage driver capable of switching over 400V into capacitive loads such as stylus and segment drivers in electrostatic .printers. Encased in a 32·pin dual·in·line package, the driver's inputs are TIL compatible and the output transistors are diode protected.
Features
• 8~s matched switching time • 425 V supply capability • 8 drivers per package
Schematic and Connection Diagram
EXT V+ (COMMON TO ALL SECTIONS)
V(COMMON TO ALL SECTIONS)
OUT
PIN 1 INDICATION
v-
INl ~I-----I
EXTl
Dun
IN2 EXT2
NC OUT2
IN3 EXT3
NC OUT3
IN4-:...t---,
EXT4
IN 5 ---t-----,
OUT4
NC EXT5
IN6 OUT5
NC EXT6
IN7 OUT6
INB EXT7
NC _ .... --" .