BU2090 데이터 시트보기 (PDF) - ROHM Semiconductor

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BU2090

12-bit, serial IN, parallel OUT driver

ROHM Semiconductor 

Standard ICs

BU2090 / BU2090F / BU2090FS /

BU2092 / BU2092F / BU2092FV

For the BU2092 / F / FV

The content of the 12-bit shift register is stored in the 12-bit storage register at the rising edge of LCK, and is output

to the corresponding Q0 to Q11. When OE is HIGH, regardless of the content of the storage register, the output FET

turns OFF and enters a HIGH (discontinuous) state.

CLOCK

DATA

LCK

OE

Q11

Q10

Q9

Q8

Q7

Q6

Q5

Q4

Q3

Q2

Q1

Q0

D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Note 1)

indicates unstable output.

Note 2) Pull-up resistance is connected to the output pin.

Fig.4 Operation timing chart

9

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