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4070B

Quad exclusive OR gate

ROHM Semiconductor 

Standard ICs

Quad exclusive OR gate

BU4030B / BU4030BF

BU4070B / BU4070BF

The BU4030B / F and BU4070B / F are exclusive OR gates.

Four circuits are contained on a single chip. An inverter-based buffer is added to the gate output for an enhanced I / O

voltage characteristic, and the load capacitance has been increased to minimize fluctuation in the propagation time.

In addition, these products feature low power consumption and a high noise margin.

These can also be used in digital comparators and parity circuit applications.

•Features

1) Low power dissipation.

2) Wide range of operating power supply voltages.

3) High input impedance.

4) High fan-out.

5) Direct drive of 2 L-TTL inputs and 1 LS-TTL input.

•Absolute maximum ratings (VSS = 0V, Ta = 25°C)

Parameter

Power supply voltage

Power dissipation

Operating temperature

Storage temperature

Input voltage

Symbol

Limits

Unit

VDD

– 0.3 ~ + 18

V

Pd

1000 (DIP), 450 (SOP)

mW

Topr

– 40 ~ + 85

°C

Tstg

– 55 ~ + 150

°C

VIN

– 0.3 ~ VDD + 0.3

V

•Truth table

INPUT

A

B

L

L

L

H

H

L

H

H

OUTPUT

L

H

H

L

•Block diagram

A1 1

B1 2

O1 3

O2 4

B2 5

A2 6

VSS 7

14 VDD

13 A4

12 B4

11 O4

10 O3

9 B3

8 A3

1

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