SN65518, SN75518

VACUUM FLUORESCENT DISPLAY DRIVERS

SLDS004B − MARCH 1983 − REVISED MAY 1990

4−2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

2D

3

STROBE

LATCH

ENABLE

CLOCK

DATA IN

CMOS/ VAC

FLUOR DISP

SRG32

C1/

→

EN3

C2

19

22

21

39

2D

3

2D

3

2D

3

2D

3

2D

3

38

37

23

18

4

3

2

Q1

Q2

Q16

Q17

Q31

Q32

SERIAL OUT

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

Pin numbers shown are for the N package.

logic diagram (positive logic)

1D

C1

1D

C1

1D

C1

1D

C1

2D

C2

2D

C2

2D

C2

2D

C2

28 Stages

(Q3 thru Q30)

Not Shown

Q1

Q2

Q31

Q32

LC1

LC2

LC31

LC32

SERIAL OUT

Shift

Register

Latches

R1

R2

R31

R32

STROBE

LATCH

ENABLE

DATA IN

CLOCK