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BU2090 Datasheet, PDF (5/12 Pages) Rohm – 12-bit, serial IN, parallel OUT driver | |||
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Standard ICs
BU2090 / BU2090F / BU2090FS /
BU2092 / BU2092F / BU2092FV
â¢Electrical characteristics (Ta = 25°C)
DC characteristics (unless otherwise noted, Ta = 25°C, VSS = 0V)
Parameter
Symbol Min. Typ. Max. Unit
Input high level voltage
3.5
â
â
VIH
V
2.5
â
â
Input low level voltage
â
â
1.5
VIL
V
â
â
0.4
Output low level voltage
â
â
2.0
VOL
V
â
â
1.0
"H" output disable current
IOZH
â
â
10.0
µA
"L" output disable current
IOZL
â
â â 5.0
µA
Current dissipation
â
â
5.0
IDD
µA
â
â
3.0
VDD
Conditions
5
â
3
5
â
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
VDD
Minimum clock pulse width
tW
500
â
â
ns
5
1000
â
â
3
Data shift setup time
200
â
â
5
tSU
ns
300
â
â
3
Data shift hold time
200
â
â
5
tH
ns
400
â
â
3
Data latch setup time
50
â
â
5
tLSUH
ns
100
â
â
3
Data latch hold time
250
â
â
5
tLHH
ns
500
â
â
3
Data latch "L" setup time
200
â
â
5
tLSUL
ns
400
â
â
3
Data latch "L" hold time
250
â
â
5
tLHL
ns
500
â
â
3
áºNot designed for radiation resistance.
BU2090 / F / FS switching characteristics measurement conditions
tW
tW
CLOCK
90%
90%
10%
10%
tSU
tH
tLSUL tLHL
90%
10%
tLSUH
10%
tLHH
Conditions
â
â
â
â
â
â
â
VDD
GND (VSS)
90%
90%
DATA
10%
10%
90%
90%
VDD
GND (VSS)
Fig.1
5
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