S6B2104 데이터 시트보기 (PDF) - Samsung

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S6B2104

80CH SEGMENT DRIVER FOR DOT MATRIX LCD

Samsung 

80CH SEGMENT DRIVER FOR DOT MATRIX LCD

S6B2104

3. - EOB and EIB pins works as input terminals.

ENABLE F/F stops display data at "H" level input. ENABLE F/F starts display data at "L" level input.

- EOB and EIB pins work as output terminals. These terminals are set to the "H" level immediately after ENABLE F/F is

initialized by the load pulse. Upon completion of 80-bit serial/parallel conversion using the shift clock input from the

CL2 terminal, these terminals are then set to the "L" level.

- The operation of ENABLE F/F is terminated and held unchanged until the next load pulse is detected. (For cascade

connection, refer to the application circuit drawing)

POWER DOWN FUNCTION

In order to reduce the power consumption, in case of cascade connection, S6B2104 has a "power down

function".

EIB

EOB

Enable input

Enable output

Enable

L

Disable

H

EOB of Nth driver is connected to EIB of (N+1)th driver S6B2104

CL1

CL2

1st EIB (input)

1st EOB (output)

Shift CL2

12

19 20 1 2

19 20

20

2nd EIB (input)

2nd EOB (output)

Shift CL2

12

19 20

SHL = H (EIB = Input, EOB = Output)

First S6B2104s’ EOB should be connected to second S6B2104s’ EIB.

.

11

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