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PDF BU2090 Data sheet ( Hoja de datos )
| Número de pieza | BU2090 | |
| Descripción | 12-bit/ serial IN/ parallel OUT driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
12-bit, serial IN, parallel OUT driver
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
The BU2090, BU2090F, BU2090FS, BU2092, BU2092F, and BU2092FV are 12-bit serial input, parallel output
drivers.
For the BU2090 / F / FS, data input is shifted to the 12-bit internal shift register on the rising edge of a clock pulse.
On the falling edge of the pulse, if the DATA pin is HIGH, the data in the shift register is output in parallel to Q0 to
Q11.
For the BU2092 / F / FV, shift data read at the rising edge of CLOCK is output in parallel to Q0 to Q11 at the rising
edge of LCK. These ICs also have an OE pin, which when HIGH, forces data to be output, regardless of the shift
data state.
•Applications
Radio cassette players, telephones, compact audio systems, car stereos, and others
•Features
1) Low power dissipation.
2) Operating voltages ranging from 2.7 to 5.5V.
3) Output is Nch open drain.
4) High output withstand voltage of + 25V.
5) Diverse variety of packages.
BU2090 / F / FS: DIP16, SOP16, SSOP-A16
BU2092 / F / FV: DIP18, SOP18, SSOP-A18
(plastic molds)
6) High drive capability; direct lighting of green LED
possible.
1
1 page  
Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
•Electrical characteristics (Ta = 25°C)
DC characteristics (unless otherwise noted, Ta = 25°C, VSS = 0V)
Parameter
Input high level voltage
Input low level voltage
Output low level voltage
"H" output disable current
"L" output disable current
Current dissipation
Symbol
VIH
VIL
VOL
IOZH
IOZL
IDD
Min.
3.5
2.5
—
—
—
—
—
—
—
—
Typ. Max.
——
——
— 1.5
— 0.4
— 2.0
— 1.0
— 10.0
— – 5.0
— 5.0
— 3.0
Unit
V
V
V
µA
µA
µA
VDD Conditions
5
—
3
5
—
3
5 IOL = 20mA
3 IOL = 5mA
5 VO = 25.0V
5 VO = 0V
5 VIN = VSS or VDD
3 OUTPUT: OPEN
BU2090 / F / FS switching characteristics (unless otherwise noted, Ta = 25°C, VSS = 0V)
Parameter
Symbol Min. Typ. Max. Unit
Minimum clock pulse width
tW
500 —
—
ns
1000
—
—
Data shift setup time
200 —
—
tSU ns
300 —
—
Data shift hold time
200 —
—
tH ns
400 —
—
Data latch setup time
50 — —
tLSUH
ns
100 —
—
Data latch hold time
250 —
—
tLHH ns
500 —
—
Data latch "L" setup time
200 —
—
tLSUL
ns
400 —
—
Data latch "L" hold time
250 —
—
tLHL ns
500 —
—
᭺Not designed for radiation resistance.
BU2090 / F / FS switching characteristics measurement conditions
tW tW
VDD
5
3
5
3
5
3
5
3
5
3
5
3
5
3
CLOCK
90%
90%
10%
10%
tSU tH tLSUL tLHL
90%
10%
tLSUH
10%
tLHH
Conditions
—
—
—
—
—
—
—
VDD
GND (VSS)
90%
90%
DATA
10%
10%
90%
90%
VDD
GND (VSS)
Fig.1
5
5 Page 
Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
•Electrical characteristic curves
1200
DIP16 (Unmounted)
1000
800
SSOP16
(when mounted on a
glass epoxy board)
90mm
×
50mm
×
1.6mm
600 SSOP16 (Unmounted)
SOP16 (when mounted on a 50mm × 50mm × 1.6mm
glass epoxy board)
400
SOP16 (Unmounted)
200
1200
DIP18 (Unmounted)
1000
800
SSOP-B20
(When mounted on a 70mm × 70mm × 1.6mm glass epoxy board)
600 SOP18 (when mounted on a 50mm × 50mm × 1.6mm
glass epoxy board)
SOP18 (Unmounted)
400
SSOP-B20
(Unmounted)
200
30
VDD = 5V
25
20
15
10
5
VDD = 3V
0 25 50 75 100 125 150
AMBIENT TEMPERATURE: Ta (°C)
0 25 50 75 100 125 150
AMBIENT TEMPERATURE: Ta (°C)
0 0.5 1.0 1.5 2.0 2.5
OUTPUT VOLTAGE "LOW" LEVEL: VOL (V)
Fig.7 BU2090 / F / FS thermal derating
characteristics
Fig.8 BU2092 / F / FV thermal derating Fig.9 Output current vs.output low level
characteristics
voltage
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet BU2090.PDF ] | |
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