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MC3488A Datasheet PDF : 6 Pages
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MC3488A
Dual EIA−423/EIA−232D
Line Driver
The MC3488A dual is single−ended line driver has been designed to
satisfy the requirements of EIA standards EIA−423 and EIA−232D, as
well as CCITT X.26, X.28 and Federal Standard FIDS1030. It is
suitable for use where signal wave shaping is desired and the output
load resistance is greater than 450 W. Output slew rates are adjustable
from 1.0 ms to 100 ms by a single external resistor. Output level and
slew rate are insensitive to power supply variations. Input undershoot
diodes limit transients below ground and output current limiting is
provided in both output states.
The MC3488A has a standard 1.5 V input logic threshold for TTL or
NMOS compatibility.
Features
• PNP Buffered Inputs to Minimize Input Loading
• Short Circuit Protection
• Adjustable Slew Rate Limiting
• MC3488A Equivalent to 9636A
• Output Levels and Slew Rates are Insensitive to Power
Supply Voltages
• No External Blocking Diode Required for VEE Supply
• Second Source mA9636A
• Pb−Free Packages are Available
http://onsemi.com
MARKING
DIAGRAMS
8
SOIC−8
3488A
D SUFFIX
ALYW
1
CASE 751
G
1
8
PDIP−8
P1 SUFFIX
CASE 626
MC3488AP1
AWL
YYWWG
1
1
A
= Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
Wave
Shape
1
Input A 2
Input B 3
GND 4
8 VCC
7 Output A
6 Output B
5 VEE
Wave Shape Control
TTL Logic
MC3488A Driver
RS−423 Interface
Figure 1. Simplified Application
© Semiconductor Components Industries, LLC, 2006
1
July, 2006 − Rev. 5
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
MC3486
Three−State Receiver
Publication Order Number:
MC3488A/D
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