HV5122 / HV5222

DS20005418B-page 4

 2015 Microchip Technology Inc.

2.0

PIN DESCRIPTION

The locations of the pins are listed in Package Type.

TABLE 2-1:

PIN DESCRIPTION PQFP

Pin #

HV5122

HV5222

Description

High voltage outputs.

10

11

12

13

14

15

16

17

18

19

20

21

22

23

DATA OUT

DATA OUT

Data output for cascading to the data input of the next device.

24

N/C

N/C

No connect.

25

26

27

28

OE

OE

Output enable input.

When OE is LOW, all HV outputs are forced into a LOW state,

regardless of data in each channel. When OE is HIGH, all HV

outputs reflect data latched.

29

CLK

CLK

Data shift register clock. Input are shifted into the shift register on

the positive edge of the clock.

30

GND

GND

Logic and high voltage ground.

31

VDD

VDD

Low voltage logic power rail.

32

STR

STR

Strobe.

33

DATA IN

DATA IN

Serial data input. Data needs to be present before each rising

edge of the clock.

34

N/C

N/C

No connect.