DS14C232CM National Semiconductor, DS14C232CM Datasheet

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DS14C232CM

Manufacturer Part Number
DS14C232CM
Description
RS232 Line Driver IC
Manufacturer
National Semiconductor
Datasheet

Specifications of DS14C232CM

Device Type
Driver / Receiver
Driver Case Style
SOIC
No. Of Pins
16
Mounting Type
Surface Mount
No. Of Driver/receivers
2/2
Peak Reflow Compatible (260 C)
No
Supply Voltage
5V
Supply Voltage Max
5V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 1999 National Semiconductor Corporation
DS14C232
Low Power +5V Powered TIA/EIA-232 Dual
Driver/Receiver
General Description
The DS14C232 is a low power dual driver/receiver featuring
an onboard DC to DC converter, eliminating the need for
±
supply. I
vice ideal for battery and power conscious applications. The
drivers’ slew rate is set internally and the receivers feature
internal noise filtering, eliminating the need for external slew
rate and filter capacitors. The device is designed to interface
data terminal equipment (DTE) with data circuit-terminating
equipment (DCE). The driver inputs and receiver outputs are
TTL and CMOS compatible. DS14C232C driver outputs and
receiver inputs meet TIA/EIA-232-E (RS-232) and CCITT
V.28 standards.
Connection Diagram
12V power supplies. The device only requires a +5V power
Order Number DS14C232CN, DS14C232CM, or
See NS Package Number N16E, or M16A
CC
is specified at 3.0 mA maximum, making the de-
DS14C232TM
DS010744
DS010744-1
Features
n Pin compatible with industry standard MAX232, LT1081,
n Single +5V power supply
n Low power — I
n DS14C232C meets TIA/EIA-232-E (RS-232) and CCITT
n CMOS technology
n Receiver Noise Filter
n Package efficiency — 2 drivers and 2 receivers
n Available in Plastic DIP, Narrow and Wide SOIC
n TIA/EIA-232 compatible extended temperature range
Functional Diagram
ICL232 and TSC232
V.28 standards
packages
option:
DS14C232T −40˚C to +85˚C
DS14C232E/J: −55˚C to +125˚C
CC
3.0 mA maximum
DS010744-2
October 1999
www.national.com

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DS14C232CM Summary of contents

Page 1

... The driver inputs and receiver outputs are TTL and CMOS compatible. DS14C232C driver outputs and receiver inputs meet TIA/EIA-232-E (RS-232) and CCITT V.28 standards. Connection Diagram Order Number DS14C232CN, DS14C232CM, or DS14C232TM See NS Package Number N16E, or M16A © 1999 National Semiconductor Corporation DS010744 ...

Page 2

Absolute Maximum Ratings Specifications for the 883 version of this product are listed separately on the following pages. Supply Voltage Pin (V − V Pin Driver Input Voltage −0. Driver Output Voltage (V Receiver ...

Page 3

Switching Characteristics Over recommended operating conditions, unless otherwise specified. Symbol Parameter DRIVER CHARACTERISTICS t Propagation Delay Low to PLH High t Propagation Delay High to PHL Low t Skew |t − PLH PHL SR1 Output Slew Rate ...

Page 4

Absolute Maximum Ratings For complete Military Product Specifications, refer to the appropriate SMD or MDS. Supply Voltage Pin (V − V Pin Driver Input Voltage −0. Driver Output Voltage (V + 0.3V) to ...

Page 5

Switching Characteristics Note 8: Ratings apply to ambient temperature at +25˚C. Above this temperature derate: J Package 12.2 mW/˚C and E Package 13.3 mW/˚C. Connection Diagrams J Package 16-Lead Dual-In-line Package For Complete Military Product Specifications Order Number DS14C232J/883 or ...

Page 6

Parameter Measurement Information FIGURE 4. Receiver Propagation Delays and Noise Rejection (Note 4) Pin Descriptions V (Pin 16) CC ± Power supply pin for the device, + (Pin 2) Positive supply for TIA/EIA-232-E drivers. Recommended external capacitor: C4-1.0 ...

Page 7

Typical Application Information Application of DS14C232 and INS8250 Typical Connection Diagram DS010744-7 DS010744-9 7 www.national.com ...

Page 8

Typical Performance Characteristics DRIVER V & POWER SUPPLY VOLTAGE = 5.0V (includes jig and probe capacitance www.national.com DS010744-11 DS010744- µF ...

Page 9

Typical Performance Characteristics DRIVER SLEW RATE vs POWER SUPPLY VOLTAGE & LOAD CAPACITANCE = 25˚ µF, ƒ KHz 6V/t1 or 6V/t2, whichever is greater. ...

Page 10

Physical Dimensions inches (millimeters) unless otherwise noted www.national.com Order Number DS14C232E/883 NS Package Number E20A Order Number DS14C232J/883 NS Package Number J16A 10 ...

Page 11

... Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Order Number DS14C232CM or DS14C232TM NS Package Number M16A Order Number DS14C232CN NS Package Number N16E 11 www.national.com ...

Page 12

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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