ML145026, ML145027, ML145028
LANSDALE Semiconductor, Inc.
VDD
A1
5
A2
TRINARY
ADDRESSES
A3
A4
A5
D6
4–BIT
D7
BINARY
DATA
D8
D9
TE VDD
0.1 µF
14
1
16
15 Dout
2
3
4
5
6
ML 145026 13 RTC
7
9
12 CTC
10
11
RS
8
VDD
0.1 µF
VDD
A1
Din 9
6
16
1
A2
2
A3
R1
3
4
A4
7 ML145027 5
A5
C1
15
14
D6
D7
10
13 D8
12 D9
R 2 C2
11 VT
8
1
fosc = 2.3 RT CCTC′
R1C1 = 3.95 RT CCTC
R2C2 = 77 RT CCT C
CT C′ = CT C + Clayout + 12 pF
100 pF≤ CT C ≤ 15 µF
RT C ≥ 10 kΩ; RS ≈ 2 RT C
R1 ≥ 10 kΩ
C1 ≥ 400 pF
R2 ≥ 100 kΩ
C2 ≥ 700 pF
REPEAT OF ABOVE
REPEAT OF ABOVE
Example R/C Values (All Resistors and Capacitors are ± 5%)
(CT C′ = CT C + 20 pF )
fos c (kHz) RT C
CT C′
RS
R1
C1
R2
C2
362
181
88.7
42.6
21.5
8.53
1.71
10 k
10 k
10 k
10 k
10 k
10 k
50 k
120 pF
240 pF
490 pF
1020 pF
2020 pF
5100 pF
5100 pF
20 k
20 k
20 k
20 k
20 k
20 k
100 k
10 k
10 k
10 k
10 k
10 k
10 k
50 k
470 pF
910 pF
2000 pF
3900 pF
8200 pF
0.02 µF
0.02 µF
100 k
100 k
100 k
100 k
100 k
200 k
200 k
910 pF
1800 pF
3900 pF
7500 pF
0 . 0 1 5 µF
0.02 µF
0.1 µF
F igure 17. Typic al A pplic ation
5
TRINARY
ADDRESSES
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