Sharp FO-2150CM - Manual (Page 22)

UX-2200CMU/CMC
FO-2150CMU/CMC
– 21 –
IC 4 , 6 : VHil6451///-1 (L6451)
1. Pin Connection (Top View)
2. Block Diagram (case of 4 bit)
6 5 4 3 2 1 44 43 42 41 40
OUT 27 CHIP ENABLE COM 2 GND LOGIC SUPPLY IN D IN C IN B GND IN A COM 1
OUT 0
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
OUT 9
GND
N.C. N.C.
OUT 17 OUT 16 OUT 15 OUT 14 OUT 13 OUT 12 OUT 11 CLAMP OUT 10
OUT 26
OUT 25
OUT 24
OUT 23
OUT 22
OUT 21
OUT 20
OUT 19
OUT 18
GND
N.C.
18 19 20 21 22 23 24 25 26 27 28
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
PLCC44
OUT0-13
CLAMP
OUT27-14
CLAMP
DECODER
3 OR 4 BIT
BLOCK
OUTPUT 1
BLOCK
OUTPUT 2
COM1
INA
INB
INC
IND
CHIP ENABLE
COM2