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Rainbow Electronics BU4S71 User Manual

Single or gate, Bu4s71, Standard ics

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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