TB2104F データシートの表示（PDF） - Toshiba

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TB2104F

TOSHIBA Bi−CMOS Integrated Circuit Silicon Monolithic

Toshiba 

Pin Function

Pin

No.

Symbol

1

AD1

Pin Name

Address

30

AD2 setting input

Function And Operation

・Chip select / address setting inputs

・When using in serial mode, keep AD1 and AD2 “open”.

・In other settings than “open”, it becomes T-BUS mode

and addresses up to 8 kinds can be set.

TB2104F

Remarks

3

LS Strobe input

28

CLK Clock input

29

DIN Data input

Lamp test

2 CG / DO input and

data output

4

CL

Clear input

5

VDD

Logic unit

power supply

26

VDR

Drive unit

power supply

27

GND Ground

25 HVO-1

24 HVO-2

23 HVO-3

⋮

⋮

⋮

⋮

Driver output

8 HVO-18

7 HVO-19

6 HVO-20

・Serial data input terminals

・Inputs display data through the DIN terminal

synchronizing with rise of CLK input.

・Display data are updated when inputting “H” level into

LS terminal after completing data input.

・In T-BUS mode, LS terminal becomes “period” input.

・Lamp test input terminal and data output terminal

・In serial mode (AD1 = AD2 = open), this terminal serves as

the serial data output terminal and enables cascade

connection of driver IC.

・In T-BUS mode, this terminal serves as the lamp test

input and is able to use all the driver outputs (HVO-1~-

20) at “H” level by inputting “H” level signal.

・During the normal operation in T-BUS mode, use this

terminal by fixing at “L” level.

・Driver off (blanking) input terminal

・All the driver outputs are fixed at “L” level when “L”

level signal is input.

・When “H” level signal is input, it becomes the normal

mode.

CMOS

input

CMOS

input /

CMOS

output

built in

pull-down

resistor

20kΩ

CMOS

input

built in

pull-up

resistor

20kΩ

・Power supply and GND terminals

—

・High-tension driver output terminal

・Equivalent circuit

—

2

2002-10-30

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