Rainbow Electronics BU4S71 User Manual
Single or gate, Bu4s71, Standard ics
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 pack-
age.
•
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, V
SS
= 0V)
5
4
1
2
3
V
DD
Y
A
B
V
SS
Parameter
Symbol
Min.
Typ.
Max.
Unit
V
DD
3
—
16
V
V
IN
0
—
V
DD
V
Power supply voltage
Input voltage
•
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
V
DD
V
SS
– 0.3 ~ V
SS
+ 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 ~ V
DD
+ 0.3
°
C
°
C
– 40 ~ + 85
– 55 ~ + 150