CS1089XFN44 datasheet(6/12 Pages) ONSEMI

6 / 12 page

CS1089

http://onsemi.com

APPLICATION INFORMATION

Table 1. Bit Pattern, G = Grid, A = Anode.

Bit #

Pin Name

A16

A15

A14

A13

A12

A11

A10

Bit #

Pin Name

A23

A22

A21

A20

A19

A18

A17

A24

A25

A26

A27

A28

A29

CLKIN

BIT 1

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

BIT 30 BIT 31 BIT 32

BIT 1

BIT 2

BIT 3

DIN

BIT 1

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

BIT 30

BIT 31

BIT 32

BIT 1

BIT 2

BIT 3

DOUT

STB

ANODES

GREN

GRIDS *

* Selected grid goes high only if input bit pattern from shift register to grid is high.

Figure 3. Typical Operation

Unused grid and anode drivers should have their

respective bits set to logic low in the data stream.

Multiple grid or anode drivers may be connected together,

but must be programmed to the same logic state for proper

device operation. Maximum package power must be

observed and care must be taken to maintian junction

temperature below +150

°C.

Care must be taken when interfacing this part to a

microprocessor. The DOUT output VOH is specified at 3.9 V

to 5.1 V at an IOUT of –1.0 mA. Lower current loads will

result in a higher output voltage. VOH = 5.2 V (typ) with no

load. VOH = 5.7 V (max) with no load. Protection or

workarounds for the device may be needed at the application

level. No protection is needed when interfacing with other

parts in this family (CS1087, CS1088, or CS1089).

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