ROHM BU4S71 Datasheet
1
Standard ICs
Single OR gate
BU4S71
The BU4S71 is an ultra-compact IC with one circuit of the dual-input positive logic OR gate built into an SMP package.
•
Features
1) Low current dissipation.
2) Super-mini mold package designed for surface
mounting.
3) Wide range of operating power supply voltage.
4) Direct drive of 2 L-TTL inputs and 1 LS-TTL input.
•
Block diagram
•
Recommended operating conditions (Ta = 25°C, VSS = 0V)
54
123
V
DD Y
ABV
SS
Parameter Symbol Min. Typ. Max. Unit
V
DD 3
—
16 V
V
IN 0
—
VDD V
Power supply voltage
Input voltage
•
Absolute maximum ratings (Ta = 25°C)
Parameter Symbol Limits Unit
V
DD VSS – 0.3 ~ VSS + 18 V
170 mW
I
IN mA
Topr
V
IN V
Tstg
Pd
Power supply voltage
Power dissipation
Input current
Operating temperature
Storage temperature
Input voltage
Note 1: These values indicate the range limits of the voltage that can be applied to each pin without
destroying it. Operation is not guaranteed at these values.
Note 2: Reduced by 1.7mW for each increase in Ta of 1°C over 25°C.
± 10
V
SS – 0.3 ~ VDD + 0.3
°C
°C
– 40 ~ + 85
– 55 ~ + 150
2
Standard ICs BU4S71
Parameter Symbol Min. Typ. Max. Unit
Measurement
circuit
VDD (V)
V
IH
3.5 2.75
—
V5
| I
OUT | < 1µ
A
Fig.1
7.0 5.5
—
V10
11.0 8.25
—
V15
V
IL
—
2.25 1.5 V 5
| I
OUT | < 1µ
A
—
4.5 3.0 V 10
—
6.75 4.0 V 15
I
IH
——
0.3 µ
AV
IH = 18V
I
IL
——
– 0.3 µ
AV
IL = 0V
V
OH
4.95 5.0
—
V5
| I
OUT | < 1µ
A
9.95 10.0
—
V10
14.95 15.0
—
V15
V
OL
——
0.05 V 5
| I
OUT | < 1µ
A
V
IN = VSS
——
0.05 V 10
——
0.05 V 15
I
OH
– 0.51 – 1.0
—
mA 5 VOH = 4.6V
– 2.1 – 4.0
—
mA 5 V
OH = 2.5V
– 1.3 – 2.2
—
mA 10 V
OH = 9.5V
– 3.4 – 9.0
—
mA V
OH = 13.5V
I
OL
0.51 1.2
—
mA 5 VOL = 0.4V
1.3 3.2
—
mA 10 V
OL = 0.5V
3.4 12.0
—
mA 15 V
OL = 1.5V
I
DD
—
0.001 0.25 µ
A5
—
0.001 0.5
µ
A10
—
0.002 1.0
µ
A15
Conditions
18
18
V
IN = VSS or VDD
15
V
IN = VSS or VDD
Input high level voltage
Input low level voltage
Input high level current
Input low level current
Output high level voltage
Output low level voltage
Output high level current
Output low level current
Static current dissipation
•
Electrical characteristics
DC characteristics (unless otherwise noted, V
SS = 0V, Ta = 25°C)
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