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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, VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –45mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C Electrical Characteristics: (VEE = –50V, TA = +25°C unless otherwise specified)
Parameter High–Level Input Voltage Low–Level Input Voltage High–Level Input Current Low–Level Input Current High–Level Output Voltage Low–Level Output Voltage Supply Current Symbol VIH VIL IIH IIL VOH VOL Test Conditions VO ≤ –45V VO ≥ –3V VI = –1.5V VI = –4V VI = –7V VI = –4V, IO = –40mA VI = –1.5V, IO = 0mA Min –1.5 – –280 –1.2 –2.6 –3.0 – – – Typ – – –70 –0.25 –0.6 –1.5 – – Max – –4 – – – – 1.3 12 Unit V V µA mA mA V V mA mA
–49.9 –45.0
ICC(OFF) VI = –1.5V ICC(ON) VI = –4V
Pin Connection Diagram
Input 1 1 Input 2 2 Input 3 3 Input 4 4 Input 5 5 Input 6 6 Input 7 7 Input 8 8 VEE 9
18 Output 1 17 Output 2 16 Output 3 15 Output 4 14 Output 5 13 Output 6 12 Output 7 11 Output 8 10 GND
18
10
1
9
.870 (22.1) Max
.250 (6.35)
.150 (3.8)
.100 (2.54) .800 (20.3)
.125 (3.17) Min
.
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