NTE NTE1715 Datasheet

NTE1715

Integrated Circuit

8–Circuit Display Driver

Description:

The NTE1715 is an integrated circuit in an 18–Lead DIP type package designed for high–breakown
fluorescent display tube drive.

Features:

D Built–In 8 Circuits
D Output Incorporating Pull–Down Resistor for Direct Fluorescent Display Tube Drive
D Direct Input for CMOS or TTL

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V

Supply Current, I
Power Dissipation, P

EE

CC

D

Operating Ambient Temperature Range, T

opr

–30° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–55V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–45mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

500mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Characteristics: (VEE = –50V, TA = +25°C unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

High–Level Input Voltage V
Low–Level Input Voltage V
High–Level Input Current I
Low–Level Input Current I

High–Level Output Voltage V
Low–Level Output Voltage V
Supply Current I

CC(OFF)VI

I

CC(ON)VI

IH

OH
OL

VO ≤ –45V –1.5 – – V

IH

VO ≥ –3V – – –4 V

IL

VI = –1.5V –280 –70 – µA
VI = –4V –1.2 –0.25 – mA

IL

VI = –7V –2.6 –0.6 – mA
VI = –4V, IO = –40mA –3.0 –1.5 – V
VI = –1.5V, IO = 0mA – –49.9 –45.0 V

= –1.5V – – 1.3 mA
= –4V – – 12 mA

Pin Connection Diagram

Input 1
Input 2

Input 3
Input 4

1
2

3
4
5Input 5
6Input 6
7Input 7
8Input 8

V

9 10

EE

18 10

18
17

16
15
14
13
12
11

Output 1
Output 2

Output 3
Output 4
Output 5

Output 6
Output 7

Output 8
GND

19

.870 (22.1) Max

.250 (6.35)

.150
(3.8)

.100 (2.54) .125 (3.17) Min

.800 (20.3)