Quad Line Driver
DS1488 Quad Line Driver
July 1999
DS1488 Quad Line Driver
General Description
The DS1488 is a quad line driver which c...
Description
DS1488 Quad Line Driver
July 1999
DS1488 Quad Line Driver
General Description
The DS1488 is a quad line driver which converts standard TTL input logic levels through one stage of inversion to output levels which meet EIA Standard RS-232D and CCITT Recommendation V.24.
Features
n n n n n Current limited output: ± 10 mA typ Power-off source impedance: 300Ω min Simple slew rate control with external capacitor Flexible operating supply range Inputs are TTL/LS compatible
Schematic and Connection Diagrams
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1/4 Circuit
DS005776-1
Dual-In-Line Package
DS005776-2
Top View Order Number DS1488M or DS1488N See NS Package Number M14A or N14A
© 1999 National Semiconductor Corporation
DS005776
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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage V+ V− Input Voltage (VIN) Output Voltage +15V −15V −15V ≤ VIN ≤ 7.0V ± 15V
Operating Temperature Range 0˚C to +75˚C Storage Temperature Range −65˚C to +150˚C Maximum Power Dissipation (Note 1) at 25˚C Molded DIP Package 1280 mW SO Package 974 mW Lead Temperature (Soldering, 4 sec.) 260˚C
Note 1: Derate molded DIP package 10.2 mW/˚C above 25˚C; derate SO package 7.8 mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4) VCC+ = 9V, VCC− = −9V unless otherwise specified
Symbol IIL IIH VOH VOL IOS+ IOS− ROUT ICC+ Parameter Logical “0” Input Curre...
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