BU2090 Datasheet, PDF (4/12 Pages) Rohm – 12-bit, serial IN, parallel OUT driver

Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
•^{Pin descriptions}
Pin No.
Pin name
BU2090 / F / FS BU2092 / F BU2092 / FV
1
1
1
VSS
2
2
2
DATA
3
3
3
CLOCK
—
4
4
LCK
4
5
5
Q0
5
6
6
Q1
6
7
7
Q2
7
8
8
Q3
8
9
9
Q4
9
10
10
Q5
10
11
11
Q6
—
—
12
N.C.
—
—
13
N.C.
11
12
14
Q7
12
13
15
Q8
13
14
16
Q9
14
15
17
Q10
15
16
18
Q11
—
17
19
OE
16
18
20
VDD
Function
GND
Serial data input
Data shift clock input
Data latch clock input
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Not connected
Not connected
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Output Enable
Power supply
4