NTE2022 データシートの表示（PDF） - NTE Electronics

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NTE2022

Integrated Circuit 8–Digit/Segment Fluorescent Display Driver

NTE Electronics 

NTE2021 & NTE2022

Integrated Circuit

8–Digit/Segment Fluorescent Display Driver

Description:

The NTE2021 and NTE2022 consist of eight NPN Darlington output stages and the associated com-

mon–emitter input stages in an 18–Lead DIP type package. These devices are designed to interface

between low–level digital logic and vacuum fluorescent displays. They are capable of driving the dig-

its and/or segments of these displays and are designed to permit all outputs to be activated simulta-

neously. Pulldown resistors are incorporated into each output and no external components are re-

quired for most fluorescent displays.

The NTE2020 is compatible with TTL, Schottky TTL, DTL and 5V CMOS. The NTE2021 device is

intended for use with MOS (PMOS & CMOS) logic operating from supply voltages of 6V to 15V.

Features:

D Digit or Segment Drivers

D Low Input Current

D Integral Output Pull–Down Resistors

D Low Power

D Reliable Monolithic Construction

D High Output Breakdown Voltage

Absolute Maximum Ratings: (TA = +25°C, Note 1)

Supply Voltage, VBB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85V

Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V

Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40mA

Allowable Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W

Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0mW/°C

Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +85°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C

Note 1. Voltages are with reference to GND unless otherwise specified

Recommended Operating Conditions:

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Supply Voltage

VBB

Input ON Voltage

VIN

NTE2021

NTE2022

Output ON Current

IOUT

5 – 70 V

2.4 – 15 V

4.0 – 15 V

– – –25 mA

Note 2. Positive (negative) current is defined as going into (coming out of) the specified device pin.

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