Rainbow-electronics MAX6934 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX6922/MAX6932/MAX6933/MAX6934

27-, 28-, and 32-Output, 76V,

Serial-Interfaced VFD Tube Drivers

6 _______________________________________________________________________________________

MAX6922/

MAX6934

PLCC

MAX6932/

MAX6933

SSOP

MAX6934

THIN QFN

NAME FUNCTION

1139V

VFD Supply Voltage

2240

DOUT

(MAX6932)

Serial-Data Output. Data is clocked out of the internal shift register to DOUT

on CLK’s falling edge. For the MAX6933 only—VFD anode and grid driver.

(OUT27)

(MAX6933)

(OUT27 is a push-pull output swinging from V

to V

3, 4, 5, 7–

17, 19, 20,

25, 26, 27,

30–42

—

1–11, 13,

14, 19, 20,

21, 24–36,

41, 42, 43

OUT0 to

OUT31

VFD Anode and Grid Drivers. OUT_ are push-pull outputs swinging from

GND to V

for the MAX6922 and from V

to V

for the MAX6934.

—

3 –13, 15,

16, 21–34

—

OUT0 to

OUT26

VFD Anode and Grid Drivers. OUT_ are push-pull outputs swinging from

to V

6, 28, 29 —

22, 23, 44

N.C. No Connection. Not internally connected.

18 — —

N.C. (V

)

For the MAX6922—No Connection. Not internally connected. For the

MAX6934—bias supply voltage.

—1412V

Bias Supply Voltage

21 17 15 BLANK

Blanking Input. High forces outputs OUT_ low without altering the contents

of the output latches. Low enables outputs OUT_ to follow the state of the

output latches.

22 18 16 GND Ground

23 19 17 CLK

Serial-Clock Input. Data is loaded into the internal shift register on CLK’s

rising edge. On CLK’s falling edge, data is clocked out of DOUT.

24 20 18 LOAD

Load Input. Data is loaded transparently from the internal shift register to the

output latch while LOAD is high. Data is latched into the output latch on

LOAD's rising edge, and retained while LOAD is low.

43 35 37 DIN

Serial-Data Input. Data is loaded into the internal shift register on CLK’s

rising edge.

44 36 38 V

Logic Supply Voltage

Pin Description

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

27-, 28-, and 32-Output, 76V 1

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