07/03/01

2

ES5129

4-1/2 digit with LCD

Pin Assignment

DIP-40L

Pin Description

DIP-40L

Pin No

Symbol

Type

Description

1

OSC1

I Input to first clock inverter.

2

OSC3

O Output of second clock inverter.

3

ANNUNC

O Backplane squarewave output for driving annunctors.

4

B1, C1, CONT

O Output to LCD segment.

5

A1, G1, D1

O Output to LCD segment.

6

F1, E1, DP1

O Output to LCD segment.

7

B2, C2, LBAT

O Output to LCD segment.

8

A2, G2 ,D2

O Output to LCD segment.

OSC1

OSC3

ANNUNC

B1, C1, CONT

A1, G1, D1

F1, E1, DP1

B2, C2, LBAT

A2, G2, D2

F2, E2, DP2

B3, C3, MINUS

A3, G3, D3

F3, E3, DP3

B4, C4, BC5

A4, G4, D4

F4, E4, DP4

BP3

BP2

BP1

VDISP

DP4/OR

OSC2

DP1

DP2

RANGE

DGND

REF_LO

REF_HI

IN_HI

IN_LO

BUFFER

CREF-

CREF+

COMMON

CONTINUITY

CINT

CAZ

V+

V-

HOLD

DP3/UR

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21