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Burn-In Circuit

TYPE

TEMPERATURE

TIME

CDP1854A/3

11

160 hrs.

CDP1854AC/3

7

160 hrs.

FIGURE 9. BIAS/STATIC BURN-IN CIRCUIT

FIGURE 8. SERIAL DATA WORD FORMAT

NEXT DATA WORD

STOP BITS 1, 1-1/2 OR 2

PARITY BIT

DATA

MSB

5 - 8 DATA BITS

DATA

LSB

START BIT

13

1

2

3

4

5

6

7

8

9

10

11

12

14

15

16

17

18

19

20

28

40

39

38

37

36

35

34

33

32

31

30

29

27

26

25

24

23

22

21

ALL RESISTORS ARE 47k

Ω±20%

CDP1854A/3, CDP1854AC/3