IND16337

Korzhenevsky 12, Minsk, 220064, Republic of Belarus

Fax:

+375 (17) 278 28 22

Tel:

+375 (17) 278 49 09, 212 27 02

Tel/fax: +375 (17) 212 68 53

E-mail: office@bms.by

URL:

www.bms.by

3

PIN DESCRIPTION

Symbol

Pin Name

Pin Number

Description

PC

Polarity change input

47

PC = L: All driver output invert

BLK

Blank input

48

BLK = H: All output = H or L

LE

Latch enable input

34

Automatically executes latch by setting High at rising

edgeof the clock

A1 to A4

RIGHT data input/output 43 to 46

B1 to B4

LEFT data input/output

38 to 35

When R/L = H,

A1 to A4: Input B1 to B4: Output

When R/L = L,

A1 to A4: Output B1 to B4:Input

CLK

Clock input

33

Shift executed on fall

R/L

Shift control input

41

Right shift mode when R/L = H

SR1: A1

→ S1 ··· S61 → B1

(Same direction for SR2·SR4)

Left shift mode when R/L = L

SR1: B1

→ S61 ··· S1 → A1

(Same direction for SR2·SR4)

O1 to O64 High withstand voltage

output

54 to 75, 81 to

100, 6 to 27

130 V, 40 mA MAX.

Power supply for logic

block

42

5 V +10%

Power supply for driver

block

2, 29, 52, 79

30 to 130 V

Logic GND

39

Connect to system GND

Driver GND

4, 31, 50, 77

Connect to system GND

NC

Non-connection

1, 3, 5, 28, 30,

32, 40, 49, 51,

53, 76, 78, 80

Non-connection

Ensure that pin 40 is left open.

TRUTH TABLE 1 (Shift Register Block)

Input

Output

Shift Register

R/L

CLK

A

B

H

↓

Output

Note 1

Right shift execution

H

H or L

Input

Output

Hold

L

↓

Output

Note 2

Input

Left shift execution

L

H or L

Output

Hold

Notes 1. The data of S57, S58, S59, S60 shifts to S61, S62, S63, S64 and is output from B1, B2, B3, B4 at

the falling edge of the clock, respectively.

2.

The data of S5, S6, S7, S8 shifts to S1, S2, S3, S4 and is output from A1, A2, A3, A4 at the

falling edge of the clock, respectively.

TRUTH TABLE 2 (Latch Block)

LE

CLK

Output State of Latch Block (Ln)

↑

Latch Sn data and hold output data

H

↓

Hold latch data

L

X

Hold latch data