CD4028BMS Datasheet, PDF (9/10 Pages) Intersil Corporation – CMOS BCD-To-Decimal Decoder

INPUTS
CD4028BMS
TABLE 2. CODE CONVERSION CHART (Continued)
INPUT CODES
HEXA-
DECIMAL
DECIMAL
OUTPUT NUMBER
DCBA
1 0 1 1 11 13 8
1 1 0 0 12 8 9
1 1 0 1 13 9
1 1 1 0 14 11
1 1 1 1 15 10
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
5
0000000000010000
56
0000000000001000
6 770000000000000100
8 880000000000000010
7 990000000000000001
D
C
BCD
INPUTS _B
A
CD4028BMS
VT
9
8 _{1 OF 10}
7 _NUMERALS
6
5
4
3
2
1
0
*(TRADEMARK) BURROUGHS CORP.
TUBE REQUIREMENTS
TYPE
VT(Vdc)
BURROUGHS
B4081
170
B4336/
170
718
B4032
170
B4021
120
TRANSISTOR CHARACTERISTICS
Leakage with transistor cutoff ≤ 0.05mA
V(BR)CEO ≥ 70V
NUMERAL
mA/
14
2
14
14
FIGURE 9. NEON READOUT (NIXIE TUBE*) DISPLAY APPLICATION
INPUTS
ABC
INHIBIT
D E F (NO SELECTION)
ABC D
CD4028BMS
012 3456789
*
*
*
*
*
*
*
*
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
ABC D
CD4028BMS
0123456789
012 3456 7
8 - - - - - - 15
16 - - - - - - 23
24 - - - - - - 31
32 - - - - - - 39
40 - - - - - - 47
48 - - - - - - 55
56 - - - - - - 63
*1/6 CD4069B
64 OUTPUTS (SELECTED OUTPUT IS HIGH)
FIGURE 10. 6-BIT BINARY TO 1-OF-64 ADDRESS DECODER
7-796