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 out-

put levels which meet EIA Standard RS-232D and CCITT

Recommendation V.24.

Features

n Current limited output:

n Power-off source impedance:

300

Ω min

n Simple slew rate control with external capacitor

n Flexible operating supply range

n Inputs are TTL/LS compatible

Schematic and Connection Diagrams

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

July 1999

© 1999 National Semiconductor Corporation

DS005776

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