PT6315 Datasheet, PDF (21/26 Pages) Princeton Technology Corp – VFD Driver/Controller IC

VFD Driver/Controller IC
APPLICATION CIRCUIT 1
44 PIN LQFP
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PT6315
Vcc
10K
MCU
VCC
330
330
330
330
100K
44 43 42 41 40 39 38 37 36 35 34
33
32
31
30
29
PT6315 28
27
26
25
24
23
12 13 14 1 5 16 1 7 18 19 20 21 22
Vcc 0.1 F
G9 G8 G7 G6 G5 G4 G3 G2 G1
9-GRID X 19-SEGMENT VFD
S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1
-VEE
1N4148 x 16
10K
10K
Figure 18: PT6315 LQFP Applicaiton Circuit
Note: The capacitor (0.1uF) connected between the GND and the VDD pins must be located as close
as possible to the PT6315 chip.
PT6315 v2.0
Page 21
Sep. 2002