MC3401A/3411A
APPLICATION CIRCUIT
VDD
330Ω
10KΩ
MCU
82KΩ
VDD
0.1uF
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
MC3411AU
31
7
30
8
29
9
Floating or connect to VEE
28
10
27
11
26
1213 14 15 16 17 18 19 20 21 22 23 2425
VDD 0.1uF
G9 G8 G7 G6 G5 G4 G3 G2 G1
9-Grid × 19-Segment VFD
S19 S18 S17 S16 S15 S14 S13 S12 S11S10 S9 S8 S7 S6 S5 S4 S3 S2 S1
VEE
1N4148 × 16
10KΩ
10KΩ
Note : The capacitor (0.1μF) connected between the GND and the VDD pins must be located as close as possible
to the MC3411A chip.
February 28, 2013 Ver. 1.10
27/29